Safe Torque Off (STO)
Instruction handbook b maXX BM4400, BM4600, BM4700
Document No.: 5.12008.07 Baumüller Nürnberg GmbH
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of 358
C.2
C.2.2.3 Connection diagrams
m Device models BM4000 with one safety relay (first safe shutdown path) and pulse
enable at the controller LC3 (sizes 1 - 7) (second safe shutdown path)
Figure 113: Shutdown paths with a safety relay and pulse enable at the controller
m Device models BM4000 with two safety relays (safe shutdown paths) and pulse enable
at the controller (functional)
Figure 114: Shutdown paths with two safety relays