Siemens SINUMERIK 840D Description Of Functions page 382

7 Configuring example
7.3 Safety Integrated with SPL
Circuit diagram
Fig. 7-6
Description The two main contacts of the Emergency Stop button are supplied with 24 V
(three-terminal concept) via the PLC output. This PLC output is used for the
forced checking procedure of the inputs and outputs (refer to Chapter 7.3.6
"Test stop"). The individual circuits of the Emergency Stop button are
separately connected to the PLC and NCK inputs.
7-382
SINUMERIK 840D/SIMODRIVE 611 digital SINUMERIK Safety Integrated (FBSI) - Edition 11.03
Leading contact
of power switch
NS1 NS2 9 64 63
113
I/R module
© Siemens AG 2003 All Rights Reserved
0V
48 19
111
ER_MODUL.DSF
11.03