Y311-440 is a balanced remote I/O module with four digital inputs and four relay outputs. It is available as a Wi-Fi version or an Ethernet version, using the same I/O point count and Modbus mapping.
Best Fit
- Pump and valve control with status feedback.
- Power distribution monitoring, lighting interlock, and small automation panels.
- Projects that need both input collection and relay output control from one network module.
Network Options
| Y311-440-W | 2.4 GHz Wi-Fi AP/STA for wireless remote control. |
| Y311-440-R | 10/100M RJ45 Ethernet for fixed LAN cabinets. |
Key Specifications
- 4 x dry/wet contact digital inputs, debounce 5 to 255 ms.
- 4 x relay outputs, 10 A @ 30 VDC / 10 A @ 250 VAC.
- 7 to 40 VDC power input.
- Modbus TCP Server, device address 0 to 255.
- Supports status collection, relay output, pulse actions, and basic interlock logic.
Before Ordering
Choose this model when four inputs and four outputs are enough. For larger point counts, use Y311-660 or Y311-880.
