Presys TY-2090 Manual de usuario

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Universal

Smart Transmitter

TY-2090

EM0319-00

TECHNICAL MANUAL

Energy

presys

Universal

presys

Universal

Smart Transmitter

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Smart Transmitter

presys

CAUTION!

In case of failure, the instrument can provide AC voltage levels in its metal box,

which for safety reasons must always be connected to an effective ground point. To

this end a suitable terminal is provided on the back of the box identified as GND. Never

connect this terminal to the neutral terminal of power supply.

It is recommended the use of an external fuse (2 A) on the power input of the

instrument. There is an internal fuse.

Operation of relays - Important Note!

When the instrument has relay module for alarm or control, you must follow the

instructions in this manual in the maintenance section on the snubber use.

The snubber is a protection against noise coming from the opening / closing of

the relay contacts, but depending on the application may be necessary to remove this

snubber!

CAUTION!

The instrument described in this manual is a device for use in specialized

technical area. The user is responsible for configuration and selection of values of the

instrument parameters. The manufacturer warns of the risks of occurrences with

damage to both the person and the property resulting from the incorrect use of the

instrument. The information and specifications in this manual are subject to change

without previous notice.

presys

In case of failure, the instrument can provide AC voltage levels in its metal box,

presys

In case of failure, the instrument can provide AC voltage levels in its metal box,

which for safety reasons must always be connected to an effective ground point. To

presys

which for safety reasons must always be connected to an effective ground point. To

this end a suitable terminal is provided on the back of the box identified as GND. Never

presys

this end a suitable terminal is provided on the back of the box identified as GND. Never

It is recommended the use of an external fuse (2 A) on the power input of the

presys

It is recommended the use of an external fuse (2 A) on the power input of the

Operation of relays - Important Note!

presys

Operation of relays - Important Note!

When the instrument has relay module for alarm or control, you must follow the

presys

When the instrument has relay module for alarm or control, you must follow the

instructions in this manual in the maintenance section on the snubber use.

presys

instructions in this manual in the maintenance section on the snubber use.

The snubber is a protection against noise coming from the opening / closing of

presys

The snubber is a protection against noise coming from the opening / closing of

the relay contacts, but depending on the application may be necessary to remove this

presys

the relay contacts, but depending on the application may be necessary to remove this

CAUTION!

presys

CAUTION!

The instrument described in this manual is a device for use in specialized

presys

The instrument described in this manual is a device for use in specialized

technical area. The user is responsible for configuration and selection of values of the

presys

technical area. The user is responsible for configuration and selection of values of the

instrument parameters. The manufacturer warns of the risks of occurrences with

presys

instrument parameters. The manufacturer warns of the risks of occurrences with

damage to both the person and the property resulting from the incorrect use of the

presys

damage to both the person and the property resulting from the incorrect use of the

instrument. The information and specifications in this manual are subject to change

presys

instrument. The information and specifications in this manual are subject to change

without previous notice.

presys

without previous notice.

PRESYS Instruments TY-2090-Energy

EM0319-00

Table of Contents

1.0 - Introduction ............................................................................................................1

1.1 - Description............................................................................................................1

1.2 - Order Code...........................................................................................................2

1.3 - Technical Specifications........................................................................................3

2.0 - Installation ..............................................................................................................5

2.1 - Mechanical Installation..........................................................................................5

2.2 - Electrical Installation .............................................................................................5

2.3 - Process Input Signal Connections ........................................................................6

2.3.1 - RTD Connections...........................................................................................7

2.3.2 - Current Input ..................................................................................................8

2.3.3 - Voltage Inputs ................................................................................................9

2.4 - Output Connections ............................................................................................10

2.5 - Connection Diagram ...........................................................................................12

2.6 - Communication...................................................................................................13

2.7 - Engineering Units................................................................................................13

3.0 - Operation ..............................................................................................................14

3.1 - Normal Operation................................................................................................14

3.2 - Configuration.......................................................................................................17

4.0 - Maintenance..........................................................................................................30

4.1 - Hardware ............................................................................................................30

4.2 - Hardware Configuration ......................................................................................32

4.3 - Using Snubber with relays...................................................................................33

4.4 - Optional Modules Installation..............................................................................34

4.5 - Calibration...........................................................................................................37

4.6 - Hardware Maintenance Instructions....................................................................42

4.7 - List of Components.............................................................................................44

4.8 - List of Recommended Spare Components .........................................................47

5.0 - MODBUS Communication....................................................................................48

5.1 - List of MODBUS Communication Registers........................................................48

5.2 - List of Communication Coils ...............................................................................52

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................................

3.1 - Normal Operation

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3.1 - Normal Operation

................................

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................................

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................................

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................................

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................................

4.0 - Maintenance

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4.0 - Maintenance

................................

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................................

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................................

4.1 - Hardware

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4.1 - Hardware

................................

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................................

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................................

4.2 - Hardware Configuration

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4.2 - Hardware Configuration

................................

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................................

4.3 - Using Snubber with relays

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4.3 - Using Snubber with relays

................................

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................................

4.4 - Optional Modules Installation

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4.4 - Optional Modules Installation

................................

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................................

4.5 - Calibration

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4.5 - Calibration

................................

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................................

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................................

4.6 - Hardware Maintenance I

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4.6 - Hardware Maintenance I

nstructions

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nstructions

4.7 -

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4.7 -

List of Components

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List of Components

................................

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................................

4.8 -

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4.8 -

List of Recommended Spare Components

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List of Recommended Spare Components

5.0 - MODBUS Communication

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5.0 - MODBUS Communication

................................

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................................

5.1 - List of MODBUS Communication Registers

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5.1 - List of MODBUS Communication Registers

5.2 - List of Communication Coils

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5.2 - List of Communication Coils

PRESYS Instruments TY-2090-Energy

Introduction

Page 1

1.0 - Introduction

1.1 - Description

The TY-2090-Energy transmitter is ideal for security applications in turbines,

hydroelectric plants and thermoelectric generators. It is a microprocessor-based

instrument which receives any process variable found in industrial plants such as:

temperature, pressure, flow, level etc. Ithas a non-volatile internal memory (E2PROM)

for storing calibration values.

It can communicate with acomputer through an optional RS-232 or RS-422/485

Communication Module. The Transmitter is capable of monitoring two

universal standard inputs, accepting direct connection

of thermocouples, RTDs, current (mAdc) and voltage

(mVdc, Vdc). The RTD inputs are automatically

linearized by means of tables stored in the EPROM. A

24 Vdc power supply,isolated from the output and

with short circuit protection, is provided to power up

standard field two-wire instruments.

The type of input selected by the user is

enabled by jumpers and by configuration via software.

All configuration data can be protected by a password

system and are stored in the non-volatile memory in

case of power failure.

Designed within the concept of modularity, the

transmitter accepts up to 4 output cards. The possible

output types are analog, SPDT relay, SPST relay,

solid-state relay and open collection voltage.

In case of input sensor breaking, the trip alarms

are not triggered (configurable for 4-20 mA and RTD

inputs) and the analog outputs assume preconfigured

safety values. The alarm outputs can be

independently configured to work in latch mode,

demanding the acknowledgement by the operator

through the MCY-20 configurator keys or via

communication in order to be disabled after the

return of the process variable to the normal

condition. The outputs are electrically isolated from

the inputs. In addition to the high and low alarms, the

transmitter can be set for failure alarms (watchdog) triggered by the detectionof broken

sensors connected to the current or RTD inputs.

It allows the use of a universal power supply from 75 to 264 Vac 50/60Hz or 100

to 360 Vdc (any polarity).

The instrument has an extruded aluminum case which makes it highly immune to

electrical noise, electromagnetic interference and resistant to the most severe conditions

of industrial usage.

Fig. 1 -Front view of the

TY-2090-Energy Transmitter

presys

-Energy transmitter is ideal for security applications in turbines,

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-Energy transmitter is ideal for security applications in turbines,

is a microprocessor-based

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is a microprocessor-based

instrument which receives any process variable found in industrial plants such as:

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instrument which receives any process variable found in industrial plants such as:

-volatile internal memory (E2PROM)

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-volatile internal memory (E2PROM)

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optional

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optional

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-232 or RS-422/485

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-232 or RS-422/485

The Transmitter is capable of monitoring two

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The Transmitter is capable of monitoring two

universal standard inputs, accepting direct connection

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universal standard inputs, accepting direct connection

of thermocouples, RTDs, current (mAdc) and voltage

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of thermocouples, RTDs, current (mAdc) and voltage

(mVdc, Vdc). The RTD inputs are automatically

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(mVdc, Vdc). The RTD inputs are automatically

rized by means of tables stored in the EPROM. A

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rized by means of tables stored in the EPROM. A

Vdc power supply

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Vdc power supply

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isolated from the output and

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isolated from the output and

with short circuit protection, is provided to power

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with short circuit protection, is provided to power

standard field two-wire instruments.

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standard field two-wire instruments.

The type of input selected by the user is

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The type of input selected by the user is

enabled

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enabled

by jumpers and by configuration via software.

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by jumpers and by configuration via software.

All configuration data can be protected by a password

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All configuration data can be protected by a password

system and are stored in the non-volatile memory in

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system and are stored in the non-volatile memory in

case of power failure.

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case of power failure.

Designed with

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Designed with

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the concept of modularity, t

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the concept of modularity, t

transmitter accepts up to 4 output cards. The poss

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transmitter accepts up to 4 output cards. The poss

output types are analog, SPDT relay, SPST relay,

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output types are analog, SPDT relay, SPST relay,

solid-state relay and open collection voltage.

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solid-state relay and open collection voltage.

In case of input sensor break

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In case of input sensor break

are not triggered (configurable for 4-

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are not triggered (configurable for 4-

inputs) and the analog outputs assume preconfigured

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inputs) and the analog outputs assume preconfigured

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afety values. The alarm outputs can be

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afety values. The alarm outputs can be

independently

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independently

demanding the acknowledgement by the operator

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demanding the acknowledgement by the operator

through the MCY-

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through the MCY-

communication in order to be disabled after the

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communication in order to be disabled after the

transmitter can

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transmitter can

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set for failure alarms (watchdog) triggered by the detectio

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set for failure alarms (watchdog) triggered by the detectio

sensors connected to the current or RTD

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sensors connected to the current or RTD

It allows the use of a universal power supply from

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It allows the use of a universal power supply from

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360 Vdc (any polarity

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360 Vdc (any polarity

The instrument

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The instrument

electrical noise, electromagnetic interference and resistant to the most severe conditions

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electrical noise, electromagnetic interference and resistant to the most severe conditions

of industrial usage.

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of industrial usage.

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Fig

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Fig

. 1

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. 1

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Front view of

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Front view of

the

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the

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2090

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2090

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Energy

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Energy

Transmitter

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Transmitter

PRESYS Instruments TY-2090-Energy

Introduction

Page 2

1.2 - Order Code

TY -2090

Field A Output 1 (Retransmission or Alarm)

None

4to 20 mAdc

1to 5 Vdc

0 to 10 Vdc

SPST Relay

Open Collector Voltage

Solid State Relay

Field B

Output 2 (Retransmission or Alarm)

Same code as Output 1

Field C

Output 3 (Alarm ortrip)

None

SPDT Relay

Open Collector Voltage

Solid State Relay

Field D Output 4 (Alarm ortrip)

Same code as Output 3

Field E

Power Supply

75 to 264 Vac 50/60Hz or100 to 360 Vdc (any polarity)

24 Vac or 24 Vdc (



10 %)

12 Vdc (



10 %)

Other, upon request

Field F

Communication

None

RS-232

RS-485

RS-422

Field G

Case Protection Grade

General usage, sheltered place, surface mounting

General usage, sheltered place, DIN rail mounting

Weather-proof

Explosion-proof (BR-Ex d IIB T6 IP 65), without display (*)

Dust proof

(*) Explosion proof box:

Dimensions: 310x310x200 mm (HxWxD)

Weight: 11kg nominal

Field H

Application

Energy

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(Retransmission or Alarm)

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(Retransmission or Alarm)

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trip

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trip

)

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)

ollector

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ollector

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oltage

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oltage

tate Relay

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tate Relay

Output

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Output

4 (Alarm o

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4 (Alarm o

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trip

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trip

)

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)

Same code as Output

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Same code as Output

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Power Supply

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Power Supply

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264 V

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264 V

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c 50/60Hz o

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c 50/60Hz o

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100

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100

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360 V

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360 V

24 V

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24 V

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24 V

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24 V

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c (

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c (



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

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12 V

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12 V

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c (

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c (



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

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Other,

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Other,

upon request

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upon request

Field

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Field

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Com

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Com

munication

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munication

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one

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one

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232

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232

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485

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485

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422

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422

Field

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Field

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Case Protection Grade

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Case Protection Grade

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General usag

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General usag

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General usage, sheltered place,

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General usage, sheltered place,

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Weather

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Weather

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Explosion

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Explosion

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Field

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Field

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PRESYS Instruments TY-2090-Energy

Introduction

Page 3

Note - Ranges and input types, the use of relays as alarms and alarm setpoints

are, among others, items that the user can program through the MCY-20 Configuration

Module (if desired, specify such information so that all programming may be previously

done by PRESYS).

Note: Any other desired software or hardware feature may be available upon request.

Code Example:

1) TY - 2090 - 1 - 0 - 1- 0 - 1 - 0 - 0 - E

This code defines a TY-2090-Energy transmitter with output 1for 4-20 mA,

output 2not used, SPDT relay for use as alarm with configurable trip function, power

supply for the range 75-264 Vac 50/60Hz or 100-360 Vdc, without serial communication,

for use in a sheltered place and surface mounting.

1.3 - Technical Specifications

Inputs:

Pt-100 RTD under DIN 43760, 4 to 20 mA, 0 to 500 mVdc, 1 to 5 Vdc, 0 to

10 Vdc. Input impedance of 250 for mA, 10 Mfor 5 Vdc and 2 Mabove

5 Vdc. Table 1 shows the temperature ranges for RTD and the resolution for

linear input sensors.

Input sensor Range

RTD

lower limit



upper limit



lower limit



upper limit



Pt-100 (2 or 3wires)

-346.0

752.0

-210.0

400.0*

Linear Range Resolution

Voltage

0to 500 mV



0to 5 V

250



0to 10 V

500



Current

0to 20 mA



(*)including wire resistance

Table 1 - Input Sensor Measuring Range

Note: The specifications in Table 1 refer to analog/digital conversion and are accessed

by RS-232 and RS-422/485 serial communication. For the analog outputs, the resolution

is 0.075 % of full scale.

presys

Module (if desired, specify such information so that all programming may be previously

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Module (if desired, specify such information so that all programming may be previously

Note: Any other desired software or hardware feature may be available upon request.

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Note: Any other desired software or hardware feature may be available upon request.

-Energy transmitter with output

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-Energy transmitter with output

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for 4-

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for 4-

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mA,

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mA,

not used, SPDT relay for use as alarm with configurable trip function, power

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not used, SPDT relay for use as alarm with configurable trip function, power

50/60Hz or 100-360 V

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50/60Hz or 100-360 V

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, without serial communication,

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, without serial communication,

RTD under DIN 43760, 4 to 20 mA, 0 to 500 mVdc, 1 to 5 Vdc, 0 to

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RTD under DIN 43760, 4 to 20 mA, 0 to 500 mVdc, 1 to 5 Vdc, 0 to

Vdc. Input impedance of 250

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Vdc. Input impedance of 250



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

for mA, 10 M

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for mA, 10 M



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

for 5 Vdc and 2 M

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for 5 Vdc and 2 M

5 Vdc. Table 1 shows the temperature ranges for RTD and the resolution for

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5 Vdc. Table 1 shows the temperature ranges for RTD and the resolution for

Range

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Range

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lower limit

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lower limit



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

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upper limit

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upper limit



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

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lower limit

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lower limit

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)

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)

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346

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346

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752

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752

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Range

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Range

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Voltage

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Voltage

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to 500 mV

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to 500 mV

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5 V

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5 V

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10 V

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10 V

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rrent

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rrent

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20 mA

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20 mA

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including wire resistance

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including wire resistance

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Table 1 - Input Sensor Measuring Range

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Table 1 - Input Sensor Measuring Range

Note: The specifications in Table 1 refer to analog/digital conversion and are accessed

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Note: The specifications in Table 1 refer to analog/digital conversion and are accessed

by RS-232 and RS-422/485 serial communication. For the analog outputs, the resolution

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by RS-232 and RS-422/485 serial communication. For the analog outputs, the resolution

is 0.075 % of full scale.

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is 0.075 % of full scale.

PRESYS Instruments TY-2090-Energy

Introduction

Page 4

Outputs:

Analog retransmitter output for 4-20 mA, 1 to 5 Vdc, 0 to 10 Vdc, use of

optional cards, with installation of up to two modules, galvanically isolated

(300 Vac)from inputs and power supply.

Alarm outputs for up to two SPDT relays and two SPST relays rated

3 A/220 Vac.

Logic Level, open collector transistor, 24 Vdc, 40 mA maximum with isolation.

Solid-state relay, rated 2A/250 Vac with isolation.

Serial Communication:

RS-232 or RS-422/485 with 50 Vdc isolation, as an optional module installed on

the CPU board. MODBUS®- RTU Communication Protocol.

Configuration:

Via RS-232,RS-422/485 serial communication or the MCY-20 Configuration

Module.

Scanning Time:

120 ms, standard.

Accuracy:

0.1 % of full scale for RTD, mA, mV and Vinputswith acquisition via RS-232

and RS-422/485 serial communication.

0.2 % of full scale for analog outputs and 750 maximum load.

Linearization:

0.1 Cfor RTD.

Square Root Extraction:

0.5 % of reading for input above 10 % of span.

0 to 5 % programmable cut-off.

Stability at ambient temperature:

0.005 % / ºC of span referred to 25 ºC ambient temperature for acquisition via

RS-232 and RS-422/485.

0.015 % /ºC of span referred to 25 ºC ambient temperature for analog outputs.

Power Supply:

75 to 264 Vac 50/60Hz or 100 to 360 Vdc (any polarity), 10 W nominal; 24 Vac/dc

(10 %); 12 Vdc (10 %).

2-Wire Transmitter Power Supply:

24 Vdc voltage and 50 mA maximum, isolated from outputs, with short-circuit

protection.

Operating ambient:

0 to 50ºC temperature and 90% maximum relative humidity.

Dimensions:

140 mm x 53 mm x 175 mm (HxWxD).

Weight:

0.5 kg nominal.

Warranty:

One year.

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Analog retransmitter output for 4-20 mA, 1 to 5 Vdc, 0 to 10 Vdc, use of

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Analog retransmitter output for 4-20 mA, 1 to 5 Vdc, 0 to 10 Vdc, use of

optional cards, with installation of up to two modules, galvanically isolated

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optional cards, with installation of up to two modules, galvanically isolated

two SPST relays rated

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two SPST relays rated

Logic Level, open collector transistor, 24 Vdc, 40 mA maximum with isolation.

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Logic Level, open collector transistor, 24 Vdc, 40 mA maximum with isolation.

Vdc isolation, as an optional module installed

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Vdc isolation, as an optional module installed

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- RTU Communication Protocol.

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- RTU Communication Protocol.

-422/485 serial communication or the MCY-20 Configurati

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-422/485 serial communication or the MCY-20 Configurati

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0.1 % of full scale for RTD, mA, mV

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0.1 % of full scale for RTD, mA, mV

and

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and

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input

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input

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with acquisition via

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with acquisition via

and RS-422/485 serial communication.

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and RS-422/485 serial communication.

0.2 % of full scale for analog outputs and 750

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0.2 % of full scale for analog outputs and 750



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

maximum load.

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maximum load.

0.5 % of reading for input above 10 % of span.

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0.5 % of reading for input above 10 % of span.

0 to 5 % programmable cut-off.

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0 to 5 % programmable cut-off.

Stability at ambient temperature:

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Stability at ambient temperature:

0.005 % / ºC of span referred to

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0.005 % / ºC of span referred to

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ºC ambient temperature for acquisition via

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ºC ambient temperature for acquisition via

-232 and RS-422/485.

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-232 and RS-422/485.

0.015 %

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0.015 %

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ºC of span referred to 25 ºC ambient temperature for analog outputs.

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ºC of span referred to 25 ºC ambient temperature for analog outputs.

Power Supply:

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Power Supply:

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264 Vac 50/60Hz or

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264 Vac 50/60Hz or

100

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100

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360 Vdc (any polarity), 10 W nominal; 24 Vac/dc

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360 Vdc (any polarity), 10 W nominal; 24 Vac/dc

(

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(



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

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%); 12 Vdc (

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%); 12 Vdc (



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

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%).

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%).

2-Wire Transmitter Power Supply:

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2-Wire Transmitter Power Supply:

24 Vdc voltage and 50 mA maximum, isolated from outputs, with short-circuit

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24 Vdc voltage and 50 mA maximum, isolated from outputs, with short-circuit

protection.

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protection.

Operating ambient:

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Operating ambient:

0 to 50ºC temperature and 90% maximum relative humidity.

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0 to 50ºC temperature and 90% maximum relative humidity.

Dimens

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Dimens

ion

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ion

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140 mm x 53 mm x 175 mm (HxWxD

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140 mm x 53 mm x 175 mm (HxWxD

Weight:

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Weight:

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0.5 kg nominal.

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0.5 kg nominal.

One year.

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One year.

PRESYS Instruments TY-2090-Energy

Installation

Page 5

2.0 - Installation

2.1 - Mechanical Installation

The TY-2090-Energy Transmitter can be mounted on a surface or on all types of

existing DIN rails,by means of an optional adapter, as illustrated in the figure below.

Fig. 2 - Dimensional drawing and detail of the adapter for DIN rail

2.2 - Electrical Installation

The TY-2090-Energy Transmitter may be powered up by voltage between 75 and

264 Vac or 100 to 360 Vdc, any polarity. Remember that the internal circuit is powered

whenever the instrument is connected to the external power supply.

Connections of process input and output signals should only be done with the

instrument turned off.

Figure 3 shows the instrument I/O terminal scheme with all designations for power

supply, grounding, communication and process input and output signals.

Signal wires must be kept far away from power supply wires.

Due to its metal case the instrument ground should be connected to earth

ground. Never connect the ground to the neutral terminal.

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-Energy Transmitter can be mounted on a surface or on all types of

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-Energy Transmitter can be mounted on a surface or on all types of

by means of an optional adapter, as illustrated in the figure below.

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by means of an optional adapter, as illustrated in the figure below.

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Fig. 2 - Dimensional drawing and detail of the adapter for DIN rail

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Fig. 2 - Dimensional drawing and detail of the adapter for DIN rail

2.2 - Electrical Installation

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2.2 - Electrical Installation

The TY-

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The TY-

2090

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2090

-Energy Transmitter may be powered

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-Energy Transmitter may be powered

264

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264

Vac or 100 to 360 Vdc, any polarity. Remember that the internal circuit is powered

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Vac or 100 to 360 Vdc, any polarity. Remember that the internal circuit is powered

whenever the instrument is connected to the external power supply.

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whenever the instrument is connected to the external power supply.

Connections of process input and output signals should only be

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Connections of process input and output signals should only be

instrument turned off.

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instrument turned off.

Figure 3 shows the instrument I/O terminal scheme with all designations for power

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Figure 3 shows the instrument I/O terminal scheme with all designations for power

supply, grounding, communication and process input and output signals.

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supply, grounding, communication and process input and output signals.

Signal wires must be kept far away from power supply wires.

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Signal wires must be kept far away from power supply wires.

Due to its metal case the instrument ground should be connected to earth

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Due to its metal case the instrument ground should be connected to earth

ground.

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ground.

Never

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Never

connect the ground to the neutral terminal.

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connect the ground to the neutral terminal.

PRESYS Instruments TY-2090-Energy

Installation

Page 6

Fig. 3 - Transmitter terminals

2.3 - Process Input Signal Connections

The Transmitter, in its two standard universal inputs, can be connected to 2 or

3-wire RTDs, mA, mV or V. In order to know the input sensor types refer to Table 1,

section 1.3 on Technical Specifications.

The selection of a certain type of input sensor is enabled by means of

internal jumpers (refer to section 4.2, Hardware Configuration) and by aproper

selection of the sensor in configuration time (refer to section 3.2, Configuration).

Therefore, the connections explained below will only become effective if the

instrument is correctly configured in terms of hardware and software.

The wiring of a type of sensor to input 1 does not restrict the simultaneous use of

another sensor, of the same type or different type, for input 2.

In order to prevent noise induction in the wire connecting the sensor to the I/O

terminal, use twisted pair cable and run the sensor connection wires through a metallic

conduit or use a shielded cable. Be sure to connect only one shielded wire end to the

negative I/O terminal or to the sensor ground, as outlined in the following items.

WARNING: GROUNDING TWO SHIELD WIRE ENDS MAY CAUSE NOISE IN

THE TRANSMITTER.

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Fig. 3 - Transmitter terminals

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Fig. 3 - Transmitter terminals

Process Input Signal Connections

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Process Input Signal Connections

The Transmitter, in its two standard universal inputs, can be connected to 2 or

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The Transmitter, in its two standard universal inputs, can be connected to 2 or

3-wire RTDs, mA, mV or V. In order to know the input sensor types refer to Table 1,

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3-wire RTDs, mA, mV or V. In order to know the input sensor types refer to Table 1,

section 1.3 on Technical Specifications.

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section 1.3 on Technical Specifications.

The selection of a certain type of input sensor is enabled by means of

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The selection of a certain type of input sensor is enabled by means of

internal jumpers (refer to section 4.2, Hardware Configuration) and by

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internal jumpers (refer to section 4.2, Hardware Configuration) and by

selection of the sensor in configuration time (refer to section 3.2, Configuration).

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selection of the sensor in configuration time (refer to section 3.2, Configuration).

Therefore, the connections explained below will only become effective if the

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Therefore, the connections explained below will only become effective if the

instrument is correctly configured in terms of hardware and software.

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instrument is correctly configured in terms of hardware and software.

The wiring of a type of sensor to input 1 does not restrict the simultaneous use of

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The wiring of a type of sensor to input 1 does not restrict the simultaneous use of

another sensor, of the same type or different type, for input 2.

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another sensor, of the same type or different type, for input 2.

In order to prevent noise induction in the wire connecting the sensor to the I/O

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In order to prevent noise induction in the wire connecting the sensor to the I/O

terminal, use twisted pair cable and run the sensor connection wires through a metallic

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terminal, use twisted pair cable and run the sensor connection wires through a metallic

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conduit or use a shielded cable. Be sure to connect only one shielded wire end to the

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conduit or use a shielded cable. Be sure to connect only one shielded wire end to the

negative I/O terminal or to the sensor ground, as outlined in the following items.

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negative I/O terminal or to the sensor ground, as outlined in the following items.

WARNING: GROUNDING TWO SHIELD WIRE ENDS MAY CAUSE NOISE IN

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WARNING: GROUNDING TWO SHIELD WIRE ENDS MAY CAUSE NOISE IN

THE TRANSMITTER.

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THE TRANSMITTER.

PRESYS Instruments TY-2090-Energy

Installation

Page 7

2.3.1 - RTD Connections

The RTD can be connected with 2, 3 or 4 wires. All connection types are shown in

figure 4.

For 2-wire RTD, connect the RTD between I/O terminals 1 and 3 to use input 1, or

to terminals 4 and 6 to use input 2, as illustrated in figure 4.

For 3-wire RTD, connect the RTD in the same way as described for a 2-wire

connection, and connect the third wire for RTD compensation to terminal 2 in case of

input 1, and to terminal 5 in case of input 2, see figure 4.

A 4-wire RTD is connected to the Transmitter in the same way as a 3-wire RTD,

except that the fourth wire is disregarded and left disconnected, see figure 4.

A 3-wire RTD provides greater accuracy than a 2-wire RTD.

The RTD wiring should be of the same material, length and gauge to ensure

proper resistance compensation of connecting wires. The maximum resistance of

connecting wires is 10 per wire. The minimum gauge should be 18 AWG for distances

up to 50 meters and 16 AWG for distances greater than 50 meters.

Fig. 4 - RTD Connection

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The RTD can be connected with 2, 3 or 4 wires. All connection types are shown in

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The RTD can be connected with 2, 3 or 4 wires. All connection types are shown in

For 2-wire RTD, connect the RTD between I/O terminals 1 and 3 to use input 1, or

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For 2-wire RTD, connect the RTD between I/O terminals 1 and 3 to use input 1, or

For 3-wire RTD, connect the RTD in the same way as described for a 2-wire

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For 3-wire RTD, connect the RTD in the same way as described for a 2-wire

connection, and connect the third wire for RTD compensation to terminal 2 in case of

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connection, and connect the third wire for RTD compensation to terminal 2 in case of

A 4-wire RTD is connected to the Transmitter in the same way as a 3-wire RTD,

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A 4-wire RTD is connected to the Transmitter in the same way as a 3-wire RTD,

except that the fourth wire is disregarded and left disconnected, see figure 4.

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except that the fourth wire is disregarded and left disconnected, see figure 4.

A 3-wire RTD provides greater accuracy than a 2-wire RTD.

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A 3-wire RTD provides greater accuracy than a 2-wire RTD.

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The RTD wiring should be of the same material, length and gauge to ensur

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The RTD wiring should be of the same material, length and gauge to ensur

proper resistance compensation of connecting wires. The maximum resistance of

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proper resistance compensation of connecting wires. The maximum resistance of

per wire. The minimum gauge should be 18 AWG for distances

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per wire. The minimum gauge should be 18 AWG for distances

up to 50 meters and 16 AWG for distances greater than 50 meters.

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up to 50 meters and 16 AWG for distances greater than 50 meters.

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