Shutdown Paths - Siemens SINUMERIK 840D sl Function Manual

05.08
6.1.1

Shutdown paths

The interaction of the safety functions integrated in the drive and the motion moni-
toring functions (Motion Monitor) are shown in Fig. 6-1.
NCU
SGE/SGA
NCK
Motion Monitor
Shutdown path
NCK
MM
(Motor Module)
Fig. 6-1 Overview of the shutdown paths
Shutdown path of the monitoring channel, drive
The motion monitoring function in the CU signals the monitoring function integrated
in the drive in the CU that the pulses must be cancelled in the SI monitoring chan-
nel integrated in the drive.
© 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
ext. SGA
ext. SGE
Safe
programmable
logic (SPL)
Cycl. SI data
(including SGE/SGA,
CDC data)
Pulse
cancelation
Cycl. data for SI,
integrated in the
drive (CDC, ...)
Pulse cancelation
 1
SGE/SGA
Drive
Motion Monitor
STO/SBC/SS1 selection
via terminal
 1
Drive (CU)
SI, integrated
in the drive
Drive (MM)
SI, integrated
in the drive
6.1 Safe stop (SH)
Optional:
Shutdown path CU
Pulse cancelation
Shutdown path MM
Pulse cancelation
Optional:
STO/SBC/SS1 selection
via terminal
6-115