I-87005W-G CR: Module 8 kênh đầu vào nhiệt Thermistor + 8 kênh đầu ra số DO

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I-87005W-G CR 8-ch Thermistor Input and 8-ch DO Module (RoHS)

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I-87005W-G CR: Module 8 kênh đầu vào nhiệt Thermistor + 8 kênh đầu ra số DO


• Thermistor Input
• Individual Channel Configuration
• Open Wire Detection
• 8-channel Digital Output for Alarm Output
• 3000 VDC Intra-module Isolation
• Overvoltage Protection for Thermistor Input vUser-defined Thermistor Types
• RoHS Compliant
• Wide Operating Temperature Range: -25 ~ +75°C


The I-87005W module is used for measuring temperature using a thermistor. The module supports a wide range of thermistors, and features individual channel configuration, which means that eight of the input channels can be individually configured for different kinds of thermistor. In addition, the I-87005W also provides 8 digital output channels that can be used for alarm output, and supports user-defined thermistor types, which can be added by specifying the Steinhart coefficients, if necessary. The inclusion of 3000 VDC intra-module isolation and overvoltage protection for the thermistors on the I-87005W ensures that the module operates at a higher reliability.


• Temperature Measurement
• Environment Monitoring
• Tunnel Monitoring
• Building Monitoring


CPU Module
Watchdog Timer Yes, Module (1.6 Seconds), Communication (Programmable)


Intra-module Isolation 3000 VDC


EMS Protection
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
16 x I/O


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, YSI B6000, YSI B10000,
YSI H10000, YSI H30000, User-defined
Resolution 16-bit
Accuracy ±0.1% of FSR
Sampling Rate 8 Hz (Total)
Input Impedance >1 MΩ
Common Mode Rejection 113 dB
Normal Mode Rejection 100 dB
Overvoltage Protection 120 VDC/110 VAC
Individual Channel Configuration Yes
Open Wire Detection Yes
Zero Drift ±0.5 μV/°C
Span Drift ±25 ppm/°C


Digital Output
Channels 8
Type Isolated Open-collector
Load Voltage +5 VDC ~ +50 VDC
Max. Load Current 700 mA/Channel
Power on Value Yes
Safe Value Yes


COM Ports
Ports 1 x RS-485
Baud Rate 1200 to 115200 bps
Data Format N, 8, 1
Protocol DCON


Consumption 0.7 W Max.


Dimensions (mm) 30 x 95 x 114 (W x L x H)


Operating Temperature -25 ~ +75 °C
Storage Temperature -40 ~ +85 °C
Humidity 10 ~ 95% RH, Non-condensing


Data sheet


Ordering information

I-87005W-G     CR  8-ch Thermistor Input and 8-ch DO Module (RoHS)

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