Siemens SINUMERIK 840D Description Of Functions page 448

8 Application examples
8.2 Two-channel brake control with SI (SPL)
Fig. 8-3
Description The check can be integrated into the normal test routine (Chapter 7.3.4) or can
be performed separately. The flowchart below shows the test procedure.
8-448
SINUMERIK 840D/SIMODRIVE 611 digital SINUMERIK Safety Integrated (FBSI) - Edition 11.03
high
low
high
low
high
low
t t t
1 2 3
Test routine at power-up
A1 (NCK)
A2 (PLC)
E1 (PLC)
t t t
4 5 6
Bremsen3_00.DSF
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11.03