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About andergreenwood

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    Hi, I am New!

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  1. ABB AC500 PLC boot problem

    hi when I power up the plc, it stock in boot and don't coming up. yesterday when the PLC powered and want to coming up the power suddenly interrupted and after that it stock in boot. I think because of this interruption Firmware crashed. have anyone another idea??   if the Firmware crashed please guide me to download firmware to PLC, if someone know how to.   regards
  2. AX522 ABB I/O module error

    Hi  I have AX522 IO module and when I power it on with 24VDC both CH-ERR2 & CH-ERR4 lights are on. I read in manual this is because of internal Error.  Please guide me to solve this problem. best regards