Control
I/O Modules
Modular DIN-rail digital and analog I/O expansion units operating over Modbus RTU / TCP, with optional IoT connectivity.

I/O Modules
About i/o modules
Evotrox I/O modules are modular DIN-rail digital and analog I/O expansion units that work over Modbus RTU and TCP, with optional IoT connectivity. They add inputs and outputs to a PLC or SCADA system without extra wiring back to the main controller.
The LOGIC-RM100 series supports up to 8 channels and 4 expansion slots, with a 24 VDC supply and DIN-rail mounting.
- Analog input: 8 channels of 4–20 mA, 14-bit resolution, ±0.1 % full-scale typical accuracy.
- Analog output: 0–10 V or 4–20 mA, 12-bit resolution.
- Digital and relay: alarm, switch and contact status inputs and relay outputs.
- Communication: RS-485 Modbus RTU / ASCII, and Modbus TCP/IP over Ethernet in the Ethernet variant.
Typical uses are PLC and SCADA systems, water and HVAC systems, cold storage and agriculture, and industrial IoT.
Remote I/O expansion
Expanding your PLC channels over Modbus RS485 or Ethernet? Talk to our application engineers.




