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TM-TH8 8-channel Isolated Thermistor Input Module

tM-TH8  8-channel Isolated Thermistor Input Module
£10300

(£123.60 incl VAT)
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Model:tM-TH8

Description

The tM-TH8 is an 8-channel isolated thermistor input module that can be used for measuring temperatures via a thermistor. Many types of thermistor are supported and user-defined types can be added by specifying the Steinhart coefficients, if necessary. The added 2500 VDC intra-module isolation and 120 VDC overvoltage protection for the thermistor on the tM-TH8 ensure that the module will operate with higher reliability.

Features

  • 8-channel Thermistor Input
  • 120 VDC Overvoltage Protection
  • Resolution: 16 bits
  • User-defined Thermistor Types
  • 2 kV ESD and 4 kV EFT Protecton
  • Dual Watchdog
  • 2500 VDC Intra-module Isolation

Specifications

CPU Module
Watchdog Timer Yes, Module (2.3 seconds), Communication (Programmable)
Isolation
Intra-module Isolation 2500 VDC
EMS Protection
EFT (IEC 61000-4-4) ±4 kV for Power
ESD (IEC 61000-4-2) ±4 kV Contact for Each Terminal
±8 kV Air for Random Point
LED Indicators
Status 1 x Power and Communication
Analog Input
Channels 8
Type Thermistor
Sensor Type Precon ST-A3, Fenwell U, YSI L100, YSI L300, YSI L1000, YSI B2252, YSI B3000,
YSI B5000, SI B6000, YSI B10000, YSI H10000, YSI H30000, User-defined
Resolution 16-bit
Accuracy ±1%
Sampling Rate 8 Hz total
Overvoltage Protection 120 VDC
Individual Channel Configuration Yes
Open Wire Detection Yes
COM Ports
Ports 1 x RS-485
Baud Rate 1200 ~ 115200 bps
Data Format (N, 8, 1), (N, 8, 2), (O, 8, 1), (E, 8, 1)
Protocol DCON, Modbus/RTU, Modbus/ASCII
Power
Reverse Polarity Protection Yes
Consumption 1 W Max.
Powered from Terminal Block Yes, 10 ~ 30 VDC
Mechanical
Dimensions (mm) 52 x 98 x 27 (W x L x H)
Installation DIN-Rail Mounting
Environmental
Operating Temperature -25 °C ~ +75 °C
Storage Temperature -30 °C ~ +75 °C
Humidity 10 ~ 95% RH, Non-condensing

 

Description

The tM-TH8 is an 8-channel isolated thermistor input module that can be used for measuring temperatures via a thermistor. Many types of thermistor are supported and user-defined types can be added by specifying the Steinhart coefficients, if necessary. The added 2500 VDC intra-module isolation and 120 VDC overvoltage protection for the thermistor on the tM-TH8 ensure that the module will operate with higher reliability.

Features

Specifications

CPU Module
Watchdog Timer Yes, Module (2.3 seconds), Communication (Programmable)
Isolation
Intra-module Isolation 2500 VDC
EMS Protection
EFT (IEC 61000-4-4) ±4 kV for Power
ESD (IEC 61000-4-2) ±4 kV Contact for Each Terminal
±8 kV Air for Random Point
LED Indicators
Status 1 x Power and Communication
Analog Input
Channels 8
Type Thermistor
Sensor Type Precon ST-A3, Fenwell U, YSI L100, YSI L300, YSI L1000, YSI B2252, YSI B3000,
YSI B5000, SI B6000, YSI B10000, YSI H10000, YSI H30000, User-defined
Resolution 16-bit
Accuracy ±1%
Sampling Rate 8 Hz total
Overvoltage Protection 120 VDC
Individual Channel Configuration Yes
Open Wire Detection Yes
COM Ports
Ports 1 x RS-485
Baud Rate 1200 ~ 115200 bps
Data Format (N, 8, 1), (N, 8, 2), (O, 8, 1), (E, 8, 1)
Protocol DCON, Modbus/RTU, Modbus/ASCII
Power
Reverse Polarity Protection Yes
Consumption 1 W Max.
Powered from Terminal Block Yes, 10 ~ 30 VDC
Mechanical
Dimensions (mm) 52 x 98 x 27 (W x L x H)
Installation DIN-Rail Mounting
Environmental
Operating Temperature -25 °C ~ +75 °C
Storage Temperature -30 °C ~ +75 °C
Humidity 10 ~ 95% RH, Non-condensing

 

Technical

tM-TH8 8 channel Thermistor input unit (Modbus RTU protocol) datasheet

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