W-M1B103/104
3 in 1 Universal Analog Input Module - High Common Mode Voltage Protection
W-M1B103/104
3 in 1 Universal Analog Input Module - High Common Mode Voltage Protection
Features
- Communication Speed From 1200 to 115.2 kbps
- Direct Sensor Input J, K, T, E, R, S, B, N
- Input Impedance Voltage: 2 MΩ, Current: 120 Ω
- 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
| 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 Input | J, K, T, E, R, S, B, N |
| Burn-out Detection | Yes (all V, 4 ~ 20 mA & all T/C) |
| Sampling Rates | 12 Samples / Second (Total) |
| Resolution | 16-bit |
| Accuracy | ± 0.1% FSR |
| Input Impedance | Voltage: 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 Voltage | 240 V |
| Channel Independent Configuration | Yes |
General
| Interface | RS-485 |
|---|---|
| Power Consumption | 1.6W @ 24 VDC (W-M1B103) 2.8W @ 24 VDC (W-M1B104) |
| Power Requirement | 10 ~ 60 VDC |
| Watchdog Timer | System (1.6 Second Fixed) |
| Intra-Module Isolation, Field-to-Logic | 2500 VDC |
Communication
| Protocol | Modbus RTU |
|---|---|
| Speed | From 1200-115.2k bps |
| Distance | 1.2 km at 9.6 kbps |
Environmental
| Operating Temp. | -25 ~ 70 ºC |
|---|---|
| Storage Temp. | -30 ~ 75°C |
| Operating Humidity | 10% to 90% (non-condensing) |
Dimension
| LED Indicators | PWR, Comm, Program, Status |
|---|---|
| Weight | 65g (Average) |
| Dimensions | 472 x 121 x 120mm |
Ordering Information
| W-M1B103 | 8 universal analog inputs module (voltage / current / thermocouple) |
|---|---|
| W-M1B104 | 16 universal analog inputs module (voltage / current / thermocouple) |
Download
| Description | Size | Type | Version | Date | Download |
|---|---|---|---|---|---|
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Description
|
Size
-
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Type
pdf
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Version
|
Date
2024-07-17
|
Download
|
|
Description
|
Size
-
|
Type
zip
|
Version
V0.192
|
Date
2025-08-15
|
Download
|
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