Detailed description
2.12 Block descriptions
Power Line Basic PLC Program (P3)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
2-153
Releases
When one MCP is switched over to another, any active feedrate or axis enabling signals may
be transferred at the same time.
Note
Keys actuated at the moment of switchover remain operative until the new MCP is activated
(by the MMC, which is subsequently activated). The override settings for feedrate and
spindle also remain valid. To deactivate actuated keys, the input image of the machine
control signals must be switched to non actuated signal level on a falling edge of
DB10.DBX104.0. The override settings should remain unchanged.
Measures for deactivating keys must be implemented in the PLC user program
(see below: Example of override switchover).
Declaration of function
FUNKTION_BLOCK FB9
VAR_INPUT
Ack :BOOL; //Acknowledge alarms
OPMixedMode: BOOL:= FALSE; // Hybrid operation with non-M-to-N-
enabled OP deactivated
ActivEnable :BOOL:= TRUE; // Not supported
MCPEnable :BOOL:= TRUE; // Activate MCP switchover
END_VAR
VAR_OUTPUT
Alarm1 :BOOL; // Alarm: Error in MMC bus address, bus
type!
Alarm2 :BOOL; // Alarm: No confirmation MMC1 offline!
Alarm3 :BOOL; // Alarm: MMC1 is not going offline!
Alarm4 :BOOL; // Alarm: No confirmation MMC2 offline!
Alarm5 :BOOL; // Alarm: MMC2 is not going offline!
Alarm6 : BOOL ; // Alarm: Queuing MMC is not going online!
Report : BOOL ; // Message: Sign-of-life monitoring
ErrorMMC : BOOL ; // Error detection MMC
END_VAR
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