Siemens SINUMERIK 840C Installation Instructions Manual page 18

12.20.4.4 DC link undervoltage monitoring in 611D
12.20.5 DC link buffering and monitoring of generator minimum speed limit
12.20.5.1 DC link buffering
12.20.5.2 Monitoring for generator minimum speed limit
12.20.5.3 Communications/control failure
12.20.5.4 840C/611D detects error/request and specifies "Extended stop and
retract" as autonomous drive function
12.20.6 Stopping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12.20.6.1 Stopping as open-loop control function
12.20.6.2 Stopping as autonomous drive function . . . . . . . . . . . . . . . . . . . . . .
12.20.7 Retraction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12.20.7.1 Retraction as open-loop control function
12.20.7.2 Retraction as autonomous drive function (611D)
12.20.8 Configuration help for generator operation and emergency
retraction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12.20.8.1 Special case voltage failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12.20.8.2 Activating autonomous drive emergency retraction in case of
PLC failure or 5 V undervoltage (as from SW 6.3)
12.21 Simultaneous axes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12.21.1 Corresponding data
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12.21.2 Handwheel for simultaneous axes in automatic mode . . . . . . . . . . . .
12.22 Software cam (position measuring signals)
12.22.1 Corresponding data
12.22.2 Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12.23 Actual-value system for workpiece . . . . . . . . . . . . . . . . . . . . . . .
12.23.1 Corresponding data
12.23.2 Reference systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12.23.3 Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12.23.4 Example of function
12.24 Travel to fixed stop
12.24.1 Corresponding data
12.24.2 Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12.24.3 Travel to fixed stop with analog drives
12.24.4 Travel to fixed stop with fixed clamping torque
(torque limitation via terminal 96)
12.24.4.1 SIMODRIVE 611A
12.24.4.2 SIMODRIVE 611A MSD or SIMODRIVE 660 . . . . . . . . . . . . . . . . . .
12.24.5 Travel to fixed stop with programmable clamping torque
(switchover of drive actuator to current-controlled operation)
12.24.5.1 SIMODRIVE 611A
12.24.5.2 SIMODRIVE 611A MSD or SIMODRIVE 660 . . . . . . . . . . . . . . . . . .
12.24.6 Deselection of the function
12.24.7 Diagrams for selection/deselection of travel to fixed stop
12.24.7.1 Selection of travel to fixed stop (fixed stop is reached) ANALOG
12.24.7.2 Selection of travel to fixed stop (fixed stop is not reached)
12.24.7.3 Deselection of travel to fixed stop
12.24.7.4 Meaning of signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12.24.7.5 Travel to fixed stop with digital drives (SIMODRIVE 611D MSD/FDD)
12.25 Flexible memory configuration (SW 4 and higher)
12.25.1 Corresponding data
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12.25.2 System features, boundary conditions
12.25.3 Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12.25.4 Memory configuration on control power-up
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