[ISS Support Case] Communication with S7 Sporadically Working

Last updated: March 6th, 2025

Description

At customer site InTouch standalone 2020 R2 SP1 P01 20.1.101 2020 R2 Sp1 Talking with S7 PLC's using suitlink SIDIR (as a an application) local DDE connections CPU 319-3 PN/DP 3.2 firmware set up like the rest of the lines firmware unknown Set up HMI PLC all of a sudden started talking again. Made changes in OI unrelated to this PLC and experienced sporadic behavior.

Author: Kevin Modlin
Published: March 6th, 2025

Details:

Product: InTouch

Version: 2020

Solution: [Solution is visible below when you're logged in and have a current subscription]

Date Created:	03/27/2024
Case:	86728

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