Description Of Stop E - Siemens SINUMERIK 840D sl Function Manual
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- Function manual (2184 pages) ,
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05.08
S Effect:
The drive is braked in a group – including simultaneous axes – along the set
traversing path. Endlessly rotating axes are braked at the acceleration limit. The
SBH function is automatically activated after the timer expires.
S Alarm message for an internally initiated STOP D:
The alarm message "STOP D initiated" is output.
S Acknowledgement for an internally initiated STOP D:
An unintentional restart is prevented for STOP D. The error can be acknowl-
edged using the NC–RESET key.
SGA STOP D is active
This signal indicates that STOP D is active.
0 signal:
1 signal:
SGE deselect external STOP D
If a stop request is active, SGA "STOP D is active" is set in the same way as it
would be for an internally triggered STOP D.
MD 36977: $MA_SAFE_EXT_STOP_INPUT[2] is used to define the selection/de-
selection of the external braking request, in this case "deselect external STOP D"
(path braking).
6.3.6
Description of STOP E
Action in the drive monitoring channel:
The drive monitoring channel requests an extended stop and retract (ESR), con-
trolled from the NC. At the same time, timer in parameter p9554: "SI motion transi-
tion time from STOP E to SBH" is started. The SBH function is automatically acti-
vated after the timer expires.
Action in the NCK monitoring channel:
An ESR is requested by the control monitoring channel. At the same time, timer in
MD 36954: $MA_SAFE_STOP_SWITCH_TIME_E is started. The SBH function is
automatically activated after the timer expires.
S Effect:
The extended stop and retract that have been configured are started.
S Alarm message:
The alarm message "STOP E initiated" is displayed.
S Acknowledgment:
For STOP E, an unintentional restart is prevented. The error can be acknowl-
edged using the NC–RESET key.
SGA STOP E is active
This signal indicates that STOP E is active.
0 signal:
1 signal:
© Siemens AG 2008 All Rights Reserved
SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) – 05.2008 Edition
Safety Functions Integrated in the System/Drive
STOP D is not active.
STOP D is active.
STOP E is not active.
STOP E is active.
6.3 Safe Stops A–F
6-137
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