
6. Exercises
Direct control:
- Digital signal
- Signal goes direct from TP to relay module, no logic symbols in between.
- Connection is made by giving out- and input the same name
- F2, F3 signal routing,…“shortcuts”
- CNX series: “Permanent Memory Image”. In case you are not sure of the new
program do not do it untill you tested it. In case it is not good, you can get the old
program back by re-booting the system.
- 2-Series: After an upload the “Permanent Memory Image” is done automatically,
but you have the chance (splash screen) to make a backup of the running program
on your PC before you upload. In case the new program is not OK you can than still
reload the old program so the user can continue working with the system.
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