Beckhoff eXtended Transport System Operating Instructions Manual page 92

Electrical installation
Control
8.5.2.1
24 V
Puls power supply QS20.241 / QT20.241
unit
Primary fusing See documentation on Puls website
Secondary fusing 2-pin 4 A circuit breaker
5SL4204-6
92 ───
Two-channel contactor switch-off
The figure below shows a wiring example of a two-channel contactor
switch-off:
power supply unit
DC
XTS
48 V power supply unit
DC
QS40.481 / QT40.481
See documentation on Puls website
Outlet to module with supply
16 A "B" circuit breaker, Siemens
5SY6116-6
Two-channel contactor switch-off
Siemens 3RT2526-2BB40 +
3RT2926-1BB00
Self-locking of the movers according to the
armature short-circuit principle
Modules have no "Safe Torque Off" STO
and no "Safe Limited Speed" SLS func-
tion
Version: 2.2