Comm-Troller
(Protocol Converter for Allen-Bradley PLCs)
The MARC Model 127-005 Comm-Troller is a protocol converter module that plugs into a single slot of an Allen-Bradley PLC (Programmable Logic Controller) chassis. The module is compatible with the Allen-Bradley PLC-2, PLC-3, PLC-5 and PLC-5.250 families of PLCs. The Comm-Troller adapts the communication port of the Allen-Bradley PLC to allow its use with other communication protocols.