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Siemens S5-135U/155U - S5-135 U155 U Central Controller Details

Siemens S5-135U/155U
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4-2
System Manual
C79000-G8576-C199-06
4.1 S5-135U/155U Central Controller
This description applies to the S5-135U/155U CC with the following power
supply units.
Order No. of the CC With Power Supply Unit Input Voltage
6ES5 188-3UA12 6ES5 955-3LC42 120 V/230 V AC, 18 A
6ES5 188-3UA22 6ES5 955-3LF42 120 V/230 V AC, 40 A
6ES5 188-3UA32 6ES5 955-3NC42 24 V DC, 18 A
6ES5 188-3UA52 6ES5 955-3NF42 24 V DC, 40 A
6ES5 135-3UA42 6ES5 955-3NA12 24 V DC, 10 A
4.1.1 Technical Description
The S5-135U/155U CC consists of a housing with backplane bus to accept
the individual modules, and a power supply unit with fans to power and cool
the modules. Shown in the following figure are the most important parts of a
central controller.
1)
2) 3)
4)
5)
6)
7)
9)
10)
8)
Figure 4-1 Assembly of a Central Controller
1. Housing with 21 slots for modules
2. Power supply unit with fans
3. Battery compartment
4. Cable duct
5. Locking bar
6. Mounting bracket
7. Sectional rail for individually locking the modules
8. Backplane bus
9. Filter subdrawer (optional)
10. Rechargeable battery
Assembly of a
Central Controller
Central Controllers and Expansion Units Power Suppl
y
Unit
s

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