Alarm from ALR121 communication card for communication with SIS via CS3000

2018-06-04View Original

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The CS3000 is generating an alarm via the ALR121 communication card of Conixen’s SIS system; what could be the reasons for this?

Reply #22018-06-05

It’s all alarm triggers that occur over a few seconds; could it be that the terminal connections are loose? Check the wiring. Is it redundant communication? Both the TCM4351B and ALR121 on each side are redundant. Check if ALR121 has redundant switching

Reply #32018-06-05

After reporting it, it was never restored.

Reply #42018-06-10

This post was last edited by zzllyp on 2018-6-10 09:31. It seems to be a problem with the MODBUS function; you can use MODBUS communication cables and MODBUS testing software to determine which side has the issue. The screenshot is from the CS3000 documentation – please find any other errors on your own

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Alarm from ALR121 communication card for communication with SIS via CS3000

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