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Tip of the Month: Integrating MicroLogix to Verbatim Gateway via Modbus Protocol over RS232

Posted on Tue, Jul 12, 2011 @ 4:20 AM

The Verbatim Gateway system—interfaced with an Allen-Bradley MicroLogix family of PLCs containing a native Modbus RTU Slave driver—performs alarm and monitoring functions with existing wiring to PLCs as inputs via data communications. In order to facilitate data communications via Modbus RTU Master/Slave over RS232 data interface, RACO provides a NULL Modem serial cable, VAB-1. This cable has the RJ-45 connector required for the system. Below are instructions on how to integrate MicroLogix to Verbatim Gateway via Modbus Protocol over RS232. Communication setup for Allen-Bradley Mi... Continue Reading

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Tip of the Month: Connecting Verbatim Gateway to CompactLogix PLC

Posted on Fri, May 20, 2011 @ 12:13 PM

Verbatim Gateway autodialers can be connected via DF1 to any of Allen-Bradley’s CompactLogix family of PLCs, which have a 9 PIN, male RS232 port. The following tips will help you get started. 1. Prepare your equipment: You will need a Verbatim Gateway autodialer and 510VAB-1 cable, supplied by RACO, and a CompactLogix PLC, RS232 cable and RSLogix software, supplied by Allen-Bradley. 2. Set up CompactLogix communications: Launch the RSLogix software, then use the tabs to set up the serial and system protocol. Next, configure the CompactLogix base tags. Map the tags to the SLC platform ... Continue Reading

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Tip of the Month: Integrating RACO Catalyst with Micrologix PLCs

Posted on Thu, Mar 24, 2011 @ 11:27 PM

Interfacing RACO’s Catalyst  system with Allen-Bradley’s MicroLogix PLCs allows Catalyst to use existing wiring for alarm notifications and data logging. The following tips will get you started: 1. Assemble your components: For proper setup, you will need RACO’s Catalyst system and Alarmware software, Allen-Bradley’s MicroLogix PLC and RSLogix software and the coordinating cables from each company. 2. Set up MicroLogix communications: Connect MicroLogix to your PC with the cable, then launch the RSLogix software. Using the software, set the communications driver to Modbus RTU sl... Continue Reading

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