Electrical installation
92
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Version: 2.2
XTS
8.5.2.1
Control
Two-channel contactor switch-off
The figure below shows a wiring example of a two-channel contactor
switch-off:
24 V
DC
power supply unit
48 V
DC
power supply unit
Puls power supply
unit
QS20.241 / QT20.241
QS40.481 / QT40.481
Primary fusing
See documentation on Puls website
See documentation on Puls website
Secondary fusing
2-pin 4 A circuit breaker
5SL4204-6
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