Siemens Sinumerik 840D sl Function Manual page 123

Sinumerik safety integrated

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Stops A, C, D and E can also be externally selected as a function of an event via

safety--related inputs (SGE).

Protection of personnel must be given top priority when stop responses are

configured. The objective is to stop the drives in a way that best suits the situation.

The time stages of the stops must be configured with the smallest possible value

corresponding to the application.

Stop response overview

Pulses are immediately

0 speed setpoint is

immediately entered +

0 speed setpoint is

immediately entered +

=0: SBH is activated

Brake at the accelera-

tion limit + timer t

=0: SBH is activated

Results in stopping and

retraction + timer t

=0: SBH is activated

SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) - - 10.2015 Edition

Drive coasts down

Drive is braked at the

current limit/along the

Transition to STOP A

Drive is braked at the

current limit/along the

Drive is braked as part

of a group along the

Drive is braked along

the programmed retrac-

tion and stopping motion

Safety functions integrated in the system/drive

Initiated in

6.3 Safe Stops A- -F

Sinamics s120