Detailed Description
2.6 Interface structure
PLC Basic Program Solution Line (P3 sl)
2-26 Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
NCK/PLC signals
The group of signals from the NCK to PLC includes:
• Actual values of the digital and analog I/O signals of the NCK
• Ready and status signals of the NCK
Also output in this group are the HMI handwheel selection signals and the status signals.
The signals for handwheel selection are decoded by the basic program and entered in the
machine-/axis-specific interface.
Digital/analog inputs/outputs of the NCK
The following must be noted with respect to the digital and analog inputs and outputs of the
NCK:
Inputs:
• All input signals or input values of the NCK are also transferred to the PLC.
• The transfer of signals to the NC parts program can be suppressed by the PLC. Instead,
a signal or value can be specified by the PLC.
• The PLC can also transfer a signal or value to the NCK even if there is no hardware for
this channel on the NCK side.
Outputs:
• All signals or values to be output are also transferred to the PLC.
• The NCK can also transfer signals or values to the PLC even if there is no hardware for
this channel on the NCK side.
• The values transferred by the NCK can be overwritten by the PLC.
• Signals and values from the PLC can also be output directly via the NCK I/O devices.
Note
When implementing digital and analog NCK I/Os, you must observe the information in the
following references:
References:
/FB2/ Description of Functions, Extended Functions;
Digital and Analog NCK I/Os (A4)
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