RTU Equipment

01 Read Coil Status
02 Read Input Status
03 Read Holding Registers
06 Preset Single Register
16 Preset Multiple Registers
Contact Polybus International at (800) 426-4815 for further information.

Modbus Upgrade
With the Modbus compatible protocol the RTU8635, RTU8640 and RTU8641 will communicate with a variety of SCADA / Host CPU Systems. The Modbus compatible protocol supports the following Modbus function codes:

Polybus International is the original designer of the RTU-86xx product line. We can provide customers with a quick turn-around time for spare parts and repairs. We will also provide full system and software support for the complete RTU86xx line.

It has been brought to Polybus International's attention that Siemens / Texas Instruments RTU-86xx customers are under the impression that there is no support for this product line, this is not true. Polybus International has supported, manufactured and repaired the complete RTU-86xx family since 1980. We will continue to support this product line for years to come.