【W-M1B107】 8 Channels Thermocouple Input Module
16-bit Resolution
Isolation Protection 3000 VDC
Direct Sensor Input: J, K, T, E, R, S, B, N
Sampling Rates 2.5 Samples/Second per Channel
Communication Protocol: Modbus RTU
Introduction
W-M1B107/W-M1B108, 8 and 16 channels thermocouple analog input modules which are the extremely cost-effective options to users, particularly for the industrial automation applications.
Specifications
Analog Input
Channel8 Channels
Input TypeThermocouple
Direct Sensor InputJ, K, T, E, R, S, B, N
Burn-out Detection Yes
Sampling Rates2.5 Samples / Second per channel
Resolution16-bit
Accuracy ± 0.1% FSR
Input ImpedanceVoltage: 2 MΩ
Span Drift± 25 ppm/ºC
Zero Drift± 6 μV/ºC
Input Voltage Protection± 36 V
Channel Independent ConfigurationYes
General
Interface RS-485
Communication ProtocolModbus RTU
Communication SpeedFrom 1200-115.2k bps
Communication Distance1.2 km at 9.6 kbps
Power Consumption1.6W @ 24 VDC
Power Requirement10 – 60 VDC
Intra-Module Isolation, Field-to-Logic2500 VDC
Watchdog TimerSystem (1.6 Second Fixed)
LED Indicators PWR, Comm, Prog, Status