ControlLogix Communication through Serial Port via MODEM


Thread Starter

Jeya Kumar

Hi! everybody,

I would like to know the communication module and protocol to be used for connecting Allen Bradley PLC ControlLogix through serial port and leased line MODEM to send data to Remote HMI unit.

Could you anyone please help me?

Jeya Kumar

Eduardo Manuel C. Cipriano


You can use the Prosoft Module for Radio/Leased line connection via modem they have a full range of product that could help you also they are made for Allen Bradley because they are one of the Emcompas Partner of Rockwell Automation.

Eduardo Manuel C. Cipriano
Mheco Inc.
Systems Integration Manager
812 Herrera Tower, Va Rufino corner Valero St.
Salcedo Village Makati City
Rockwell Authorized System Integrator
Tel: (632) 8448901
Fax: (632) 8451535
Email [email protected]
Mobile : +63919 4211737

Michel Levesque, eng.

Besides the obvious Data-Linc and Prosoft options, you could also look at Black box modems for leased lines. they essentially act as a pass-thru so your HMI would need RSLinx or equivalent driver to talk to a CLX.