I have an old (mid 1980's) BBC PLC that I'm replacing with an AB. I have the print out from the customer for the PLC but there is some code I don't understand.
I'm thinking this is something like a MCR zone but I hope someone can tell me for sure.
Thanks
| M 03,00 M 03,00
|---] [----------------------+----(/)----
| |
| + MA
Contiunes like this for 10 rungs with the last one like this:
|
| M 03,09 M 03,09
|---] [----------------------+----(/)----
| |
| + MA
|
ME|
I'm thinking this is something like a MCR zone but I hope someone can tell me for sure.
Thanks
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