Siemens SINUMERIK 840D Description Of Functions page 447

11.03
Fig. 8-2
Unlike the test routine described in Chapter 7.3.6, the test involves separately
controlling the two outputs A1 and A2 and monitoring the resulting level change
at test input E1.
© Siemens AG 2003 All Rights Reserved
SINUMERIK 840D/SIMODRIVE 611 digital SINUMERIK Safety Integrated (FBSI) - Edition 11.03
8.2 Two-channel brake control with SI (SPL)
Holding/service brake actuation
Current source/link version with checkback
Holding
brake
Relay outoutput
Two-channel brake control, P/M switching with SI
8 Application examples
8-447