Electrical installation
Version: 2.1
───
73
eXtended Transport System
parallel connection of
the power supply
Single-channel contactor switch-off
The figure below shows a wiring example of a single-channel con-
tactor switch-off:
3
3
3
3
4
4
4
1
1
1
2
2
2
4
4
4
3
3
1
1
1
2
2
2
3
3
3
3
4
4
4
1
1
1
2
2
2
4
4
4
3
3
1
1
1
2
2
2
3
3
3
3
4
4
4
1
1
1
2
2
2
4
4
4
3
3
1
1
1
2
2
2
3
3
3
3
4
4
4
1
1
1
2
2
2
4
4
4
3
3
1
1
1
2
2
2
Power Supply
Control cabinet earth
A1
1 R1 R3
3
A2
2
R2 R4
4
A1
1 R1 R3
3
A2
2
R2 R4
4
Power Supply
48V
X1
X2
X3
Xn
n. XTS
3. XTS
2. XTS
1. XTS
Buf
fer Modul
48V
ZB81
10
10
Ω 100W
Power Supply
48V
Power Supply
48V
n. Power Supply
48V
24V
EL9576 Brake chopper teminal
with ZB81
10 Brake resistor
B 32A
C 4A
B 4A
B 32A
B 32A
B 32A
2 x B 4A
B 32A
11
31
12 32
2 x B 4A
2 x B 4A
2 x B 4A
A1
1 R1 R3
3
A2
2
R2 R4
4
A1
1 R1 R3
3
A2
2
R2 R4
4
A1
1 R1 R3
3
A2
2
R2 R4
4
A1
1 R1 R3
3
A2
2
R2 R4
4
B 16A
B 16A
B 16A
B 16A
48 V
DC
power supply unit
Puls power supply unit
QS40.481 / QT40.481
Primary fusing
See documentation on
Secondary fusing
32 A "B" circuit breaker (Siemens 5SY6132-6) on the 48 V
DC
busbar
Output to module (with supply)
16 A "B" circuit breaker (Siemens 5SY6116-6)
Output to brake chopper terminal
4 A "C" circuit breaker (Siemens 5SY6104-7)
Single-channel contactor switch-off (Siemens 3RT2526-2BB40 + Siemens 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) function