IO Expansion Unit

Remote Intelligent RS-485 I/O Expansion Unit

RU-87Pn series is a remote intelligent RS-485 I/O expansion unit that used to expand I-87K series I/O modules over the RS-485 for industrial monitoring and controlling applications.

RS-485 I/O Expansion Unit

The unit only equipped one power module, one RS-485 interface and several I/O slots. It is used to expand I/O modules via the RS-485 interface. Only I-87K and m-87K series I/O modules can plug in the unit.

Modbus RTU I/O Expansion Unit

The iP-8000-MRTU series is a serial I/O expansion unit with Modbus protocol. It supports most of high profile I-8K and I-87K series I/O modules. SCADA and HMI software can easily access variant I/O signals via the unit.