MalSnaize Posted November 8, 2018 Report Share Posted November 8, 2018 HI All - I seem to have all the quirky ones (see my clock issue So this issue: I have a V1210 + Expansion Module + 2xTO16 - all was working fine for client; I recently recovered the set up to develop and implement new features. On returning the setup today I (for the first time) connected everything up only to find that the expansion module is not communciating with the PLC. : 1. On startup there are some brief flashes on teh comms LED 2. the TO16 just keep flashing. I loaded my empty test programme which is set up for same hardware config. No change until I did an Iniatlise/Reset (Thanks Ausman) and behold evryting was talking again. I reloaded my client's software and nope, it will not see the perpheral devices. Tried Initailise reset - still no joy. I have checked and rechecked the hardware config and it is correct. Is it possible to somehow disable hardware in code? The only thing I can think of is that I did update tle PLC OS on Joe's advice (relating to the clock issue); If I update the OS do I need to do something else to ensure compatibility? Man this PLC is jinxed ! (see my clock issue) Many thanks in advance of any ideas on this. Cheers mal Quote Link to comment Share on other sites More sharing options...
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