PC Control / Profi Control 645-12M Instruction Manual pdf - Kuhnke

4.6. Summary of commands
PC Control 645-12M used as PLC
The following summary contains information about all
available commands including the possible types of addressing,
memory capacity and processing time required.
Programming of external operands
The execution times contained in the following tables are
valid if a connection between the relevant PC Control 645
and the external participant has been established.
When the network or a participant are switched on it may
take a few seconds until the interconnections have been initialised.
During this time, the signal states of external inputs
are not current values. The same applies to the addressing
of external outputs.
4.6.1. Logical operations commands
Logic commands are the commands for logical operations
between operands. This includes assignments of results.
They can be executed with bit, byte and word operands.
For further information on programming, use of the commands
and programming examples please refer to our Programming
Manual, E 417 GB.
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