Various Interface Signals (A2)
1.2 Signals from PLC to NCK
Turning, Milling, Nibbling
20 Function Manual, 11/2012, 6FC5397-1CP10-5BA0
Cyclic signal exchange
The control and status signals of the PLC/NCK interface are updated cyclically.
The signals can be subdivided into the following groups (see previous figure):
● General signals
● Operating mode signals
● Channel signals
● Axis/spindle signals
1.2 Signals from PLC to NCK
1.2.1 Access authorization
Access authorization
Access to programs, data and functions is useroriented and controlled via eight hierarchical
protection levels. These are subdivided into:
● Four password levels for Siemens, machine manufacturer (2x) and end user
● Four protection levels for end users (interface signals V2600 0000.4 to .7)
This provides a multilevel safety concept for controlling access rights.
Reference:
/BE/ Operating Instructions; First Commissioning (Commissioning), Chapter: Access levels
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