The RIO-9H is a low-cost, input-protected I/O module with four dual-use, 12-bit analog to digital inputs, three optically-isolated digital inputs, and three solid-state digital outputs. Each analog input channel is configured to measure 0 to 20mA (various forms of data scaling are included). Both the analog and digital input channels can accumulate pulse counts for AMR applications.
The RIO-9H products are configured, read, and controlled using Modbus RTU commands by wireless, RS-232 or RS-485 connection (see ordering information). The device's Modbus address can be set with a software configuration tool or with an on-board, 8-position, DIP switch.
The RIO-9H family is sold as a bare-board, without an enclosure.
The RIO-9H I/O board is available in six configurations:
* The RIO-9H-W and RIO-9H-W-28 models plug into any of our standard radios (sold separately).