Micrologix 1500 Serial Port Communications - Alter in Ladder Logic


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Hello All,

I am working on a project with a Micrologix 1500 LPR. This processor will be used in several versions of the same machine. In one version of the machine I will be communicating out one serial port DF1 to an HMI and the second serial port ASCII to another device. In a second configuration I will be communicating DF1 out the first port to the HMI, and DF1 out the second port to different device. I do not want to have to maintain two programs, and would like to be able to change the protocol for the 2nd serial port using ladder logic. Is this possible? If so where should I look to find the addresses that are controlling these settings.

Thank you for your help.