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Anyone know about Mitsubishi plcs

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Ian Parkin02/12/2019 20:07:24
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684 forum posts
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Has anyone any experience with Mitsubishi plcs

i have 2 machines both very different which have both got the same problem

the plc isn’t running and the prog light is flashing.

both batteries were long dead operators say they been like that for years.

i have replaced battery’s so that error has gone

both machines have operated for years perfectly well one for 25 years the other 15 years

do they lose the program? Is that what’s happened here?

Mike Poole02/12/2019 20:58:04
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It’s a near certainty you have lost the program, do you have a backup and the means to load it? A paper listing would be the minimum help but manually entering it all is tedious.

Mike

Ian Parkin02/12/2019 21:14:43
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Mike

no nothing.... backup or means

just strange that 2 machines in different locations have done the same within days of each other after working fine for years

just coincidence?

we will have to get machines agents in

Edited By Ian Parkin on 02/12/2019 21:15:17

S.D.L.02/12/2019 21:17:11
180 forum posts

Which PLC models are thet F1, F1x or rack based.

If Block F series and no memeory module then no battery and power off = programe lost.

Steve

Ian Parkin02/12/2019 21:19:44
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684 forum posts
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Steve

i’m sure that the battery’s have been totally flat for years

the dates on the ones i removed were 95 and 03

machines been switched off every night for years

Ian Parkin02/12/2019 21:21:20
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684 forum posts
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They are fx series

S.D.L.04/12/2019 10:23:38
180 forum posts

There isnt a run / program swith cthats someones moved.

I cant remember if FX are set to run in software or by switch.

Getting agents in sounds best bet as you said.

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