W-M2B502
Combined module with 4 Digital Input channels and 2 Relay Output channels, supports both dry and wet contact, 70VDC overvoltage protection, Modbus RTU over RS-485, wide 10~36VDC power input, stable operation over -25~70°C.
- Integrates Digital Input and Relay Output on one module, saving cabinet space
- Input supports both dry contact and wet contact, 70VDC overvoltage protection
- Relay Output Form C contacts, rated 5A 250VAC/30VDC, 3KV isolation
- Latch value read supported, pulse counting up to 100Hz
Contact us for a quote. We don’t have enough basis to publish a reference range for this model — we quote precisely once we know the configuration you need.
Or leave your phone number — an engineer will quote model W-M2B502 within 4 working hours.
Industrial factors
| Operating temperature range | -25 ~ 70 °C (-13~158°F) |
|---|---|
| Power input | 10~36VDC |
| Dimensions (mm) | 20 x 100 x 95 |
| Weight (kg) | 0.065 |
Computing
| PCI/PCIe expansion slots | 0 |
|---|
Connectivity & I/O
| COM | 1× RS-485 |
|---|---|
| DIO | 4 in / 2 out |
| Expansion | 4× Digital Input · 2× Relay Output |
Need a complete-set price with RAM, storage and mounting accessories for this model? Leave your number — an engineer will reply within 4 working hours.
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Other configurations in the W-M2B series
Same chassis, same mounting — they differ in screen size and CPU. If the model above isn’t quite right, switching to one of these is usually enough.



