Posted 11 July 2006 - 04:26 PM
Can anyone tell me how to replace the battery in this unit?
Also is there anyway to download the logic from it so that we may make some changes?
Posted 12 July 2006 - 06:04 AM
The old F and F2 series went out of production in the late 80's and were replaced by the FX range which had much more power and memory.
Changing the battery is easy enough, and a capacitor normally holds the programme in place for a while, but I really wouldn't risk it without having a backup of the programme. To programme the PLC requires a special interface that Mitsubishi no longer make.
It may be, however, that the F2 has an EEprom fitted that will hold the programme ad infinitum, in which case, don't worry about the battery. However, it's not possible to programme those EEproms from a laptop, instead, the RAM memory is programmed, then you use one of the old, obsolete, Mitsubishi graphic programmers to suck the programme out of RAM and blow it onto the EEprom.
Makes me shudder to think about it ......
Posted 12 July 2006 - 06:29 AM
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