Chapter 5
MSC800
52 Operating instructions | SICK 8011540/14B8/2019-06-06
Subject to change without notice
KLS2 -X120/21 DC +24 V Supply voltage OUT 2
(power supply unit modules 2)
–F121
–F123
–F125
-X120/22 GND Ground 2
-X120/24 GND
Shield –
-X120/28 Shield
-X120/29 Shield
Tab. 24 MSC800-3600: assignment of the -X120 terminal block, part 2 for
supply voltage OUT 2 on ICR890 (system 2)
Terminal
set
Terminal Signal Function Protected by the
automatic circuit
breakers
Supply voltage OUT 3
(power supply unit modules 3)
-X120/35 DC +24 V –F135
-X120/32 GND Ground 3 –
-X120/37 Shield Shield –
-X120/38 Shield
Tab. 25 MSC800-3600: assignment of the -X120 terminal block, part 3 for
supply voltage OUT 3 on ICR890 (system 3)
-X120/41 + Measuring point thermal circuit breaker 1
1)
–
-X120/42 – Measuring point thermal circuit breaker 1
(red)
1)
–
-X120/51 DC +24 V Supply voltage OUT 1
(power supply unit module 1, tap before circuit
breaker F111/113/115) on thermal circuit
breaker 2 (blue)/fan 1 and 2
F1 (4 A, slow-acting)
1)
Thermal circuit breaker, left in the MSC800-3600 (see MSC800-3600 device view on page 23), switch
opens at T
U
= 57.5 °C.
By setting up a closed circuit (DC +24 V on terminal -X120/41; GND on terminal -X120/42) and using
appropriate assessment, e.g., by the logic unit of an MSC800, it is possible to signal overheating of the
cabinet. It is also possible to use series connection of the same thermal circuit breaker to MSC800 cabinets
of the same type.
2)
Thermal circuit breaker, right in the MSC800-3600 (see MSC800-3600 device view on page 23),
switch closes at T
U
= 37.5 °C and switches the two fans on/off.
Tab. 26 MSC800-3600: assignment of the -X120 terminal block, part 4 for
supply voltage OUT 1 on thermal circuit breaker/fan
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