Comet T3113 Manual de usuario

www.cometsystem.com

Instruction Manual

T3113

T3113D

T3113L

T3113Ex

T3117

T3117D

T3117L

Programmable duct mount transmitter of temperature,

relative humidity and other calculated humidity values

with 4 - 20 mA outputs

2IE-SNC-T3113(7)-10

©Copyright: COMET System, Ltd.

It is prohibited to copy and make any changes in this manual, without explicit

COMET System, Ltd. makes constant development and improvement of their

products. Manufacturer reserves the right to make technical changes to the

device without previous notice. Misprints reserved.

Manufacturer is not responsible for damages caused by using the device in

conflict with this manual.

To damages caused by using the device in conflict with this manual can not

be provide free repairs during the warranty period.

Read carefully instruction manual before the first device connection.

IE-SNC-T3113(7)-10 3

Table of contents

GENERAL DESCRIPTION.........................................................................4

T3113EX TRANSMITTER..........................................................................5

FACTORY SETTINGS ...............................................................................6

DEVICE INSTALLATION...........................................................................7

INFO MODE...............................................................................................8

MODIFICATION OF DEVICE ADJUSTMENT............................................9

ERROR STATES OF THE DEVICE .........................................................10

TECHNICAL SUPPORT AND SERVICE..................................................11

TECHNICAL DATA..................................................................................12

MEASURED VALUES............................................................................. 12

CALCULATED HUMIDITY VALUES....................................................... 13

GENERAL............................................................................................... 14

OPERATING CONDITIONS ................................................................... 16

END OF OPERATION ............................................................................ 16

DIMENSIONS.......................................................................................... 17

TYPICAL APPLICATION WIRING.......................................................... 19

OPTIONAL ACCESSORY .......................................................................21

4IE-SNC-T3113(7)-10

General description

The duct mount transmitters T3113 and T3117 with metal stem are designed

for measurement of temperature and relative humidity of air without

aggressive substances. Measured values are converted to other humidity

interpretation: dew point temperature, absolute humidity, specific humidity,

mixing ratio and specific enthalpy.

Measured and computed values are displayed on a two-line LCD display.

The first line displays temperature (ºC / ºF). Value displayed on the second

line is selectable among relative humidity and computed value. It is also

possible to display both readings with cyclic overwriting (4 seconds interval)

or to switch off the LCD display at all.

The transmitter communicates by means two galvanically separated current

loop 4-20mA. Each loop has two-wire connection and each loop requires

power from evaluationdevice. It isalways necessary to connect loopI1 which

is designed for supplying of measuring part of the device. Using the

configuration software can be assigned to each current loop any measured

or computed value.

All transmitter setting is performed by means of the PC connected via the

optional SP003 communication cable (not included in delivery). Using

TSensor software (see www.cometsystem.com) you can assign to each

output any measured or computed value and to set its measuring range. It is

also possible toassignboth outputs to thesame value (with the same range),

if two evaluation devices are necessary to connect. The program supports

make the adjustment of the device too. This procedure is described at file

„Calibration manual.pdf“ which is installed commonly with the software.

Device versions:

T3113, T3117 transmitter with cable gland for output cable connection

T3113L, T3117L device version with watertight male connector instead of

a cable gland for easy connection/disconnection of the

output cable (protection IP67)

T3113D, T3117D transmitter with cable gland and LCD display positioned

perpendicular to stem

T3113Ex intrinsically safe transmitter for use in potentially

explosive environments

T3113Z, T3117Z this marking is intended for a non-standard versions of

the transmitters. Description is not included in this

manual.

IE-SNC-T3113(7)-10 5

T3113Ex transmitter

Transmitter T3113Ex is designed and certified for use in hazardous areas.

In compliance with European Directive 2014/34/EU (ATEX) the T3113Ex

transmitter conforms to European Standards EN 60079-0:2018 and

EN 60079-11:2012.

Transmitter is suitable for use in potentially explosive atmospheres

(Apparatus Groups llC) in applications requiring devices category 3G.

Type Examination Certificate number FTZÚ 13 ATEX 0189X is available at

www.cometsystem.com.

6IE-SNC-T3113(7)-10

Factory settings

If special setting was not required in the order device is set from the

manufacturer to the following parameters:

value at output I1: relative humidity

range 4-20 mA corresponds 0 to 100 %RH

value at output I2: temperature

range 4-20 mA corresponds -30 to +125 ºC

display: switched ON

temperature unit: °C

value displayed at line 2: relative humidity

IE-SNC-T3113(7)-10 7

Device installation

Transmitters are designed for installation into the air-conditioning duct by

clamping the metal stem into the cable gland Pg21. Also it is possible to use

the installation flanges PP4 or PP90 (see optional accessories). Pay

particular attention to the safe installation of sensors T3113Ex.

The connecting terminals are accessible after unscrewing the four screws in

the corners of the case and removing the lid. Pass the connecting cable

through released gland and connect the wires to terminals (see “Typical

application wiring”). Tighten the gland and screw the lid (check the integrity

of the seal). The female connector for connecting T3113(7)L transmitter

connect according to diagram at “Typical application wiring”.

For device connection it is recommended to use a shielded cable with a

maximum length of 1200m. External diameter of the cable for T3113(7),

T3113(7)D and T3113Ex connection is 4 to 8 mm. For T3313L connection

use cable with respect to female connector parameters (do not connect

shielding at connector side). When selecting the type of a cable for T3113Ex

connection and when choosing a location for T3113Ex mounting it is

necessary to observe the conditions for safe installation in potentially

explosive environments. The cables should be located as far as possible

from potential interference sources.

It is not recommended to use the device for long time under condensation

conditions or water aerosol conditions. It could be the cause of water steam

condensation inside the sensor’s cover with a consequential increase of

response time to humidity changes. It can cause sensor damage too.

Devices don´t require special operation and maintenance. It is recommend

to keep clean sensor cover and periodically to verify the accuracy of

measurement.

Warning

Installation, commissioning and maintenance may only be carried out by

personnel with qualification by applicable regulations and standards.

Don´t connect transmitter while power supply voltage is on.

Ambient temperature of the housing with electronics of T3113Ex

transmitter is not allowed exceed 60 ºC.

Under certain extreme circumstances, the plastic enclosure of T3113Ex

transmitter may store an ignition-capable level of electrostatic charge.

The device shall not be installed in a location where the external

conditions are conducive to the build-up of electrostatic charge. The

equipment shall only be cleaned with a damp cloth.

8IE-SNC-T3113(7)-10

Info mode

Several settings of installed transmitter are possible to verify without a use

of the computer. It is necessary to connect at least power of current loop I1.

Unscrew the transmitter lid and shortly press button between display and

interconnection terminals by means of a tool (e.g. screwdriver).

The LCD display shows the type of value assigned

to 1. output (here „%RH“ = relative humidity and „1“

= loop I1). Upper line displays value of the current

corresponding to measured value on the lower line

(here 4 mA corresponds to 0 %RH).

Press button again to get value for upper point of

the 1. output (here „%RH“ = relative humidity and 1“

= loop 1). Upper line displays value of the current

corresponding to measured value on the lower line

(here 20 mA corresponds to 100 %RH).

After next press of the button LCD display shows

the type of value assigned to 2. output (here „ºC“ =

temperature and „2“= loop I2). Upper line displays

value of the current corresponding to measured

value on the lower line (here 4 mA corresponds to -

30 ºC).

Press button again to get value for upper point of

the 2. output (here „ºC“ = temperature and „2“ =

loop 2). Upper line displays value of the current

corresponding to measured value on the lower line

(here 20 mA corresponds to 80 ºC).

Press button again to end info mode and display actual measured values.

Warning

During info mode no measurement and no output current generation

proceed. The transmitter stays at info mode 15 s, and then automatically

goes back to measuring cycle.

The verifying of settings of the T3113Ex transmitter is permitted only in

non-hazardous area.

IE-SNC-T3113(7)-10 9

Modification of device adjustment

Device adjustment is performed by means of the optional SP003

communication cable, connected to USB port of the PC. It is necessary to

have installed configuration program Tsensor on the PC (program is free to

download at www.cometsystem.com). During installation please take care

about installation of driver for USB communication cable.

unscrew four screws of the device lid and remove the lid. If device is

already installed to measuring system, disconnect wires from terminals

connect SP003 communication cable to the

PC. Installed USB driver detect connected

cable and create virtual COM port inside the

run installed Tsensor program and continue

in accordance with his instructions

when new setting is saved and finished,

disconnect the cable from the device, connect wires into its terminals and

place the lid back to the device

Warning

Modification of adjustment of the T3113Ex transmitter using a cable

SP003 is permitted only in non-hazardous area.

10 IE-SNC-T3113(7)-10

Error states of the device

Device continuously checks its state during operation. In case error is found

LCD displays corresponding error code:

Error 0 - first line displays „Err0“ (output current value is < 3.8 mA). Check

sum error of stored setting inside device’s memory. This error

appears if incorrect writing procedure to device’s memory occurred

or if damage of calibration data appeared. At this state device does

not measure and calculated values. It is a serious error, contact

distributor of the device to fix.

Error 1 - there is a reading „Err1“ on LCD display (output current value is

> 22 mA). Measured or computed value is higher than upper limit.

This state appears in case of:

measured temperature is higher than approximately 600 °C

(i.e. high non-measurable resistance of temperature sensor,

probably opened circuit)

relative humidity value is higher than 100 %, i.e. damaged

humidity sensor, or humidity calculation of humidity is not

possible (due to error during temperature measurement)

calculation of the computed value is not possible (error during

measurement of temperature or relative humidity or value is

over range)

Error 2 - there is a reading „Err2“ on LCD display (output current value is

< 3.8 mA). Measured or computed value is below lower limit of

allowed full scale range. This state appears in case of:

measured temperature is lower than approximately -210 °C (i.e.

low resistance of temperature sensor, probably short circuit).

relative humidity value is lower than 0 %, i.e. damaged sensor

for measurement of relative humidity, or calculation of relative

humidity is not possible (due to error during temperature

measurement)

calculation of the computed value is not possible (error during

measurement of temperature or relative humidity)

Error 3 - there is a reading „Err3“ on LCD display upper line. Error of internal

A/D converter appeared (converter does not respond, probably

damage of A/D converter). No measurement and calculations of

values are proceeded. It is a serious error, contact distributor of

the instrument.

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