【W-M1B103】8 Channels Analog Input (3 Types) Module (High Common Mode Voltage Protection)

High Common Mode Voltage Protection
3-in-1 Analog Intput Voltage / Current / Thermocouple
Input Impedance Voltage: 2 MΩ, Current: 120 Ω
Communication Speed From 1200 to 115.2 kbps
Direct Sensor InputJ, K, T, E, R, S, B, N
Communication Protocol: Modbus RTU

Introduction
W-M1B103 / W-M1B104, 8 and 16 channels voltage / current / thermocouple analog input module with high common mode voltage protection.

Specification

Analog Input
Channel8 Channels
Voltage Range±100mV, ±500mV, ±1V, ±5V, ±10V, 0-100mV, 0-500mV, 0-1V, 0-5V, 0-10V
Current Range± 20 mA, 4-20 mA, 0-20 mA (Slide Switch Select)
Direct Sensor InputJ, K, T, E, R, S, B, N
Burn-out DetectionYes (all V, 4 ~ 20 mA & all T/C)
Sampling Rates12 Samples / Second (Total)
Resolution 16-bit
Accuracy± 0.1% FSR
Input ImpedanceVoltage: 2MΩ, Current: 120 Ω
Span Drift± 25 ppm/ºC
Zero Drift ± 6 μV/ºC
Input Voltage Protection± 240V for Voltage Mode
(Exclude ± 100 mV, 0-100 mV)
Common Mode Voltage240 V
Channel Independent ConfigurationYes

Parameter Name	Parameter Value
Signal type	analog
Bus	Modbus, RS-485
Applications	voltage current
Number of inputs/outputs	8-channel