AJI

mitsubishi QPLC showing backup error after downloading

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hi,

am using mitsubishi PLC Q25PRHCPU. After downloading the program ,  the PLC is showing a backup error.

the error light is blinking . What shall i do to make it run?..

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Q25PRH is a redundant CPU.  They are pretty complex.  And you need to make sure the program gets loaded to both CPUs.  Recommend calling Mitsubishi and getting someone local to come assist.

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Can anyone help me briefing  the procedure for downloading program into the Q25PRH cpu

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I haven't used the redudant CPU's, but did you connect both of them in their redundancy bus before downloading the program?

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On 1/27/2016 at 5:36 PM, kaare_t said:

I haven't used the redudant CPU's, but did you connect both of them in their redundancy bus before downloading the program?

no havnt but i established the downloading after doing some configuration inside.. 

now ok already.. thank you

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