Siemens SINUMERIK 840C Installation Instructions

12.20.4.4 DC link undervoltage monitoring in 611D . . . . . . . . . . . . . . . . . . . . 12–217
12.20.5 DC link buffering and monitoring of generator minimum speed limit . . 12–218
12.20.5.1 DC link buffering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–218
12.20.5.2 Monitoring for generator minimum speed limit . . . . . . . . . . . . . . . . . 12–219
12.20.5.3 Communications/control failure . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–219
12.20.5.4 840C/611D detects error/request and specifies "Extended stop and
retract" as autonomous drive function . . . . . . . . . . . . . . . . . . . . . . 12–219
12.20.6 Stopping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–219
12.20.6.1 Stopping as open-loop control function . . . . . . . . . . . . . . . . . . . . . . 12–220
12.20.6.2 Stopping as autonomous drive function . . . . . . . . . . . . . . . . . . . . . . 12–220
12.20.7 Retraction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–222
Sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–222
12.20.7.1 Retraction as open-loop control function . . . . . . . . . . . . . . . . . . . . . 12–224
12.20.7.2 Retraction as autonomous drive function (611D) . . . . . . . . . . . . . . . 12–226
12.20.8 Configuration help for generator operation and emergency
retraction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–227
12.20.8.1 Special case voltage failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–227
12.20.8.2 Activating autonomous drive emergency retraction in case of
PLC failure or 5 V undervoltage (as from SW 6.3) . . . . . . . . . . . . . . 12–231
12.21 Simultaneous axes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–232
12.21.1 Corresponding data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–232
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–232
12.21.2 Handwheel for simultaneous axes in automatic mode . . . . . . . . . . . . 12–232
12.22 Software cam (position measuring signals) . . . . . . . . . . . . . . . . 12–234
12.22.1 Corresponding data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–234
12.22.2 Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–234
12.23 Actual-value system for workpiece . . . . . . . . . . . . . . . . . . . . . . . 12–240
12.23.1 Corresponding data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–240
12.23.2 Reference systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–240
12.23.3 Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–241
12.23.4 Example of function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–242
12.24 Travel to fixed stop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–243
12.24.1 Corresponding data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–243
12.24.2 Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–243
12.24.3 Travel to fixed stop with analog drives . . . . . . . . . . . . . . . . . . . . . . 12–245
12.24.4 Travel to fixed stop with fixed clamping torque
(torque limitation via terminal 96) . . . . . . . . . . . . . . . . . . . . . . . . . . 12–245
12.24.4.1 SIMODRIVE 611A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–246
12.24.4.2 SIMODRIVE 611A MSD or SIMODRIVE 660 . . . . . . . . . . . . . . . . . . 12–247
12.24.5 Travel to fixed stop with programmable clamping torque
(switchover of drive actuator to current-controlled operation) . . . . . . . 12–248
12.24.5.1 SIMODRIVE 611A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–248
12.24.5.2 SIMODRIVE 611A MSD or SIMODRIVE 660 . . . . . . . . . . . . . . . . . . 12–250
12.24.6 Deselection of the function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–251
12.24.7 Diagrams for selection/deselection of travel to fixed stop . . . . . . . . . 12–252
12.24.7.1 Selection of travel to fixed stop (fixed stop is reached) ANALOG . . . . 12–252
12.24.7.2 Selection of travel to fixed stop (fixed stop is not reached) . . . . . . . . 12–253
12.24.7.3 Deselection of travel to fixed stop . . . . . . . . . . . . . . . . . . . . . . . . . 12–254
12.24.7.4 Meaning of signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–255
12.24.7.5 Travel to fixed stop with digital drives (SIMODRIVE 611D MSD/FDD) 12–256
12.25 Flexible memory configuration (SW 4 and higher) . . . . . . . . . . . 12–258
12.25.1 Corresponding data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–258
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–258
12.25.2 System features, boundary conditions . . . . . . . . . . . . . . . . . . . . . . 12–259
12.25.3 Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–260
12.25.4 Memory configuration on control power-up . . . . . . . . . . . . . . . . . . . 12–260

Siemens SINUMERIK 840C Specifications

General

Brand	Siemens
Model	SINUMERIK 840C
Category	Control Unit
Language	English