Procon Electronics PROBUS Modbus I/O system

Click2Contact

PROBUS from Procon Electronics is a modular Modbus I/O system that provides a simple low-cost solution for distributed I/O requirements.

Manufactured in Australia, the PROBUS system consists of standalone digital and analog input and output modules which are connected together on an RS485 two-wire, multi-drop network. The modules plug into a special bus connector which fits inside the DIN rail.

The modules communicate using the Modbus RTU protocol. A 32 bit ARM CPU is used in the modules to provide high-speed data processing and fast communications turnaround times. Multiple baud rates are selectable from 2400 to 115,200 baud.

All PROBUS modules plug directly onto an industry-standard DIN rail. All modules have a minimum isolation of 1500 VAC between the field and logic and all RS485 circuits are isolated. The modules have been equipped with status LEDs which are used to indicate the status of the inputs or outputs.

The I/O capabilities of a PLC can be expanded where the PLC has a Modbus communications facility available. When configured as a Modbus Master, and attached to the RS485 network, the PLC can use the PROBUS modules as remote I/O, reducing cabling costs and increasing the I/O capability of the PLC.

The PROBUS modules can also be used for distributed data acquisition by connecting a PC to the network through an RS232/RS485 converter. Procon also offers an ethernet converter to allow the PROBUS modules to communicate over a 10/100baseT network.