Detailed descriptions of interface signals
4.2 User alarm
Parameter Manual
330
Operating Instructions, 08/2013, 6FC5397-8EP40-0BA0
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 Figure 4-1):
• General signals
• Mode signals
• Channel signals
• Axis / spindle signals
4.2 User alarm
Active alarm response
DB1600
DBX2000.0
NC start disable
Signal(s) from PLC → HMI
Edge evaluation: No Signal(s) updated: Cyclic
Signal state 1 The NC start disable prevents a part program from being started with the NC
start signal DB3200 DBX7.1 (NC start) == 1.
Signal state 0 The NC start disable is not active.
Special cases, errors, ... The start of a part program selected in the channel by part program
command START in another channel (program coordination) is not
prevented by the interface signal:
DB3200 DBX7.0 (NC start disable) == 1.
corresponding to ... IS "NC start"
Note for the reader
DB1600
DBX2000.1
Read-in disable
Signal(s) from PLC → HMI
Edge evaluation: No Signal(s) updated: Cyclic
Signal state 1 The main run reads in no more preprocessed part program blocks.
Note:
The signal is only active in the AUTOMATIC and MDI modes.
Signal state 0 The main run reads in preprocessed part program blocks.
corresponding to ... IS "Program status running"
Note for the reader
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