Simex TRS-10a Manual de usuario

Assisting the automation

industry since 1986

User manual

INDICATOR

TRS 10a

•Firmware: v.3.00 or higher

•Designed for TRS system

Read the user's manual carefully before starting to use the unit or software.

Producer reserves the right to implement changes without prior notice.

2017.0 .05 TRS-10a_INSSXEN_v.1.10.002

User manual - INDICATOR TRS-10a 
CONTENTS
1. BASIC REQUIREMENTS AND USER SAFETY........................................................................................3
2. GENERAL CHARACTERISTICS................................................................................................................4
3. TECHNICAL DATA......................................................................................................................................4
4. DEVICE INSTALLATION............................................................................................................................5
4.1. UNPACKING.......................................................................................................................................5
4.2. ASSEMBLY........................................................................................................................................5
4.3. CONNECTION METHOD...................................................................................................................6
4.4. MAINTENANCE..................................................................................................................................8
5. PRINCIPLE OF OPERATION.....................................................................................................................9
6. THE MODBUS PROTOCOL HANDLING.................................................................................................12
6.1. LIST OF REGISTERS .....................................................................................................................13
6.2. TRANSMISSION ERRORS DESCRIPTION....................................................................................14
6.3. EXAMPLES OF QUERY ANSWER FRAMES.................................................................................14
7. FORCING OF  XFF ADDRESS................................................................................................................19
Explanation of symbols used in the manual:
- This symbol denotes especially important guidelines concerning the installation and
operation of the device. Not complying with the guidelines denoted by this symbol
may cause an accident, damage or equipment destruction.
IF THE DEVICE IS NOT USED ACCORDING TO THE MANUAL THE USER IS
RESPONSIBLE FOR POSSIBLE DAMAGES.
- This symbol denotes especially important characteristics of the unit.
  Read any information regarding this symbol carefully
2

User manual - INDICATOR TRS-10a

1. BASIC REQUIREMENTS AND USER SAFETY

- The manufacturer is not responsible for any damages caused by

inappropriate installation, not maintaining the proper technical condition

and using the unit against its destination.

- Installation should be conducted by qualified personnel . During installation all

available safety requirements should be considered. The fitter is responsible for

executing the installation according to this manual, local safety and EMC

regulations.

- The unit must be properly set-up, according to the application. Incorrect

configuration can cause defective operation, which can lead to unit damage or

an accident.

- If in the case of a defect of unit operation there is a risk of a serious threat

to the safety of people or property additional, independent systems and

solutions to prevent such a threat must be used.

- The unit uses dangerous voltage that can cause a lethal accident. The unit

must be switched off and disconnected from the power supply prior to

starting installation of troubleshooting (in the case of malfunction).

- Neighbouring and mating equipment must meet the requirements of appropriate

standards and regulations concerning safety and be equipped with adequate

anti-overvoltage and anti-interference filters.

- Do not attempt to disassemble, repair or modify the unit yourself. The unit

has no user serviceable parts. Units, in which a defect was stated must be

disconnected and submitted for repairs at an authori ed service centre.

- Do not use the unit in areas threatened with excessive shocks, vibrations,

corrosive gasses and oils.

- Do not use the unit in explosion hazard areas.

- Do not use the unit in areas with significant temperature variations, exposed to

icing.

- Do not use the unit in areas exposed to direct sunlight.

- Make sure that the ambient temperature (e.g. inside the control box) does not

exceed the recommended values. In such cases forced cooling of the unit must

be considered (e.g. by using a ventilator).

The unit is designed for operation in an industrial environment and must

not be used in a household environment or similar.

User manual - INDICATOR TRS-10a

2. GENERAL CHARACTERISTICS

The TRS-10a wall mounted indicator is designed to display digital values and short,

4-letter messages. This superior system makes the display flicker when a displayed value is

not refreshed. It is a slave device that communicates with the Master device via RS 485

interface with Modbus RTU protocol. The indicator is dedicated to the TRS system (multipoint

temperature and humidity recording system), but it can cooperate with any superior system

equipped with RS 485 link with Modbus RTU protocol. It has a small plastic casing.

3. TECHNICAL DATA

Power supply voltage typically 10 VDC (9 VDC - 12 VDC)

Current consumption during operation - up to 30 mA

during Modbus transmission - up to 80 mA

Display LED, 4 digit, 9 mm height, red, high bright

Number of modules in 1 network maximum 127

Communication interface

Baud rate

RS 485, 8N1 / Modbus RTU

9 00 bit/sec.

Data memory non-volatile memory, EEPROM type

Protection level IP 5 (ABS casing)

Housing type

Housing material

Housing dimensions (L x W x D)

without glands

with glands

wall mounted

4 x 58 x 35 mm

114 x 58 x 35 mm

Operating temperature

Storage temperature

Altitude

-40°C up to +85°C

up to 2000 meters above sea level

Fastening to wall, 2 M3 bolts

Connection cable 4 conductors (2 supply conductors

+ 2 data transmission conductors)

Screws tightening max. torque 0,5 Nm

Max. connection leads diameter 2,5 mm2

EMC PN-EN 132 :2003

This equipment is not intended for use in residential environments and may

not provide adequate protection to radio reception in such environments.

Detailed informations about installation of TRS system user can find in:

“User manual for Temperature and Humidity Recording System”

User manual - INDICATOR TRS-10a

4. DEVICE INSTALLATION

The unit has been designed and manufactured in a way assuring a high level of user

safety and resistance to interference occurring in a typical industrial environment. In order to

take full advantage of these characteristics installation of the unit must be conducted correctly

and according to the local regulations.

- Installation should be conducted by qualified personnel .

- Read the basic safety requirements on page 3 prior to starting the installation.

- All installation works must be conducted with a disconnected power supply.

4.1. UNPACKING

After removing the unit from the protective packaging, check for transportation damage.

Any transportation damage must be immediately reported to the carrier. Also, write down the

unit serial number on the housing and report the damage to the manufacturer.

Attached with the unit please find:

- warranty,

- user’s manual for TRS-10a unit (device)

4.2. ASSEMBLY

- Disconnect the power supply prior to starting assembly.

- Check the correctness of the performed connections prior to switching the unit on.

To install the device prepare pinholes accordingly to Figure 4.1. Back side of the

case (with mounting holes) should be mounted to a wall using screws.

Figure 4.1. Distances between pinholes

34 mm

4 mm

User manual - INDICATOR TRS-10a

4.3. CONNECTION METHOD

Caution

- Installation should be conducted by qualified personnel . During installation all

available safety requirements should be considered. The fitter is responsible for

executing the installation according to this manual, local safety and EMC

regulations.

- Wiring must meet appropriate standards and local regulations and laws.

- Tighten the clamping screws. The recommended tightening torque is 0.5 Nm.

Loose screws can cause fire or defective operation. Over tightening can lead to

damaging the connections inside the units and breaking the thread.

- If the unit is equipped with housing, covers and sealing packing, protecting

against water intrusion, pay special attention to their correct tightening or clamping.

In the case of any doubt consider using additional preventive measures (covers,

roofing, seals, etc.). Carelessly executed assembly can increase the risk of electric

shock.

Due to possible significant interference in industrial installations appropriate measures

assuring correct operation of the unit must be applied. To avoid the unit of improper

indications keep recommendations listed below.

-Avoid common (parallel) leading of signal cables and transmission cables together with

power supply cables and cables controlling induction loads (e.g. contactors). Such cables

should cross at a right angle.

-Contactor coils and induction loads should be equipped with anti-interference protection

systems, e.g. RC-type.

-In the case of magnetically induced interference the use of twisted couples of signal

cables (so-called “spirals”) is recommended. The spiral (best if shielded) must be used

with RS-485 serial transmission connections.

Connections of power supply voltage and measurement signals are executed using the

screw connections inside of the unit’s housing (Figure 4.2 - 4.4).

Figure 4.2. Method of cable insulation replacing and cable terminals

max. 2 mm

-7 mm

User manual - INDICATOR TRS-10a

Figure 4.3. Location of elements inside the module case

Last module in the network

must be terminated with

100÷150 Ohm resistor .

Figure 4.4. Connection of the module to the network

1 2 3 4

DATA-

DATA+

RS - 485

Us = 9 ÷ 12V DC

GND

LED indicator

force

address

0xFF switch

Power

supply and

RS-485

connector

A+

B-

terminator

(i.e.120 ohm)

GND

DATA-

DATA+

1 2 3 4

Us = 9 ÷ 12V DC

User manual - INDICATOR TRS-10a

An example of the transducers application is multipoint monitoring system (Figure 4.5). Control

panel (i.e. SPA-99 made by SIMEX) is used as MASTER in MODBUS network, simultaneously

it displays readed informations of all measurement points.

RS-485 bus should be equipped with termination resistors (100-150 ohm) on

both ends. The bus must not be ramified, and longer than 1 km.

Figure 4.5. Example application of the transducers

4.4. MAINTENANCE

The unit does not have any internal replaceable or adjustable components available to

the user. Pay attention to the ambient temperature in the room where the unit is operating.

Excessively high temperatures cause faster ageing of the internal components and shorten the

fault-free time of unit operation.

In cases where the unit gets dirty do not clean with solvents. For cleaning use warm water with

small amount of detergent or in the case of more significant contamination ethyl or isopropyl

alcohol.

Using any other agents can cause permanent damage to the housing.

Product marked with this symbol should not be placed in municipal waste. Please

check local regulations for disposal and electronic products.

Measurement modules

converter

RS-232

RS-485

Control panel

PC host

User manual - INDICATOR TRS-10a

5. PRINCIPLE OF OPERATION

The module type TRS-10a is equipped with 4 digits, seven segment, high bright LED

display. After switching the power on there in symbol "- - - -" on the display, informs user that

module is ready to work.

Display has two operation modes:

–basic mode called „decimal mode" in this manual – this mode allows direct displaying of

transmitted values as decimal digits, and displaying defined warnings.

–second mode called „byte mode” in this manual allows to display user defined symbols

Seven holding registers is used to service device: 01h to 05h, and 20h, 21h :

values in U2 code of range -999 to 9999. If user try to store value out of this

range, an error occur – device answers with exception code 03 (improper data

value), and displayed value will not change.

After switching power on, if display has been set to „decimal mode” then

display.

While normal operation storing of value 0000h in register 01h, cause

displaying of "0.", "0.0", "0.00" or "0.000" depends on lower byte of register

02h (in decimal mode it is decimal point position and status).

- in „byte mode” this register drives directly segments of the display. Higher

byte of register 01 drives decade 0 (most right) and lower byte drives

segments of decade 1 (see Figure 5.1). While particular bits are set to 1

corresponding segments light (see Tab.5.1). In this mode register accepts

values of full range 0000h ÷ FFFFh.

After switching power on, if display has been set to „byte mode” then register

01h is set to 4040h, and symbol "- - - -" is showed on the display.

decade

no. 3

decade

no. 2

decade

no. 1

decade

no. 0

Figure 5.1. Decade and segments layout

User manual - INDICATOR TRS-10a

byte low

reg. 02h

byte high

reg. 01h

byte low

reg. 01h

byte high

decade no. 3 2 1 0

bit no. 7 6 5 4 3 2 1 0

segment no. DP G F E D C B A

Tab.5.1. Decades and segments numbering

(which decade will display decimal point - see Figure 5.1). Thanks to this

function it is possible to display fractional values. For example if value 007Ch

(decimal 124) is stored in register 01h, it causes of displaying digits 1, 2 and 4

on suitable positions. If then value 0001h will be stored in register 02h, is will

turn on decimal point on decade no. 1, what results by displaying of value

" 12.4", with dimmed most left decade. If value 0003h will be written to reg. 02h

then value "0.124" will be displayed. Additionally higher byte of register 02h

decides about interpretation of reg. 01h value. If higher byte of register 02h

equal to 00h, then decimal value of register 01h content will be displayed. If

higher byte of register 02h is equal to one of values from Tab. 5.2, then

appropriate warning will be displayed (these warnings are defined by

producer), and content of register 01h will be ignored.

Higher byte of reg. 02h Display

00h Decimal value of register 01h content modificatedby lower byte of

1Xh Warning: ”humi”, water inside module

2Xh Warning: ”Err”, sensor damage

4Xh Warning: ”-Lo-”, measured value under allowed range

8Xh Warning: ”-Hi-”, measured value over allowed range

FXh Warning: ”-??-”, no communication with input module

X- this part does not matter ( 0h – Fh)

Tab. 5.2. Display state, depend on higher byte of register 02h value.

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