Siemens appendix S5-135U/155U Central Controller, Technical Description

Central Controllers and Expansion Units Power Supply Units

4.1S5-135U/155U Central Controller

This description applies to the S5-135U/155U CC with the following power supply units.

Order No. of the CC

6ES5 188-3UA12

6ES5 188-3UA22

6ES5 188-3UA32

6ES5 188-3UA52

6ES5 135-3UA42

With Power Supply Unit

6ES5 955-3LC42

6ES5 955-3LF42

6ES5 955-3NC42

6ES5 955-3NF42

6ES5 955-3NA12

Input Voltage

120 V/230 V AC, 18 A

120 V/230 V AC, 40 A

24 V DC, 18 A

24 V DC, 40 A

24 V DC, 10 A

4.1.1Technical Description

Assembly of a Central Controller

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)
5)		8)
6)
4)		7)
2)	3)	9)
		10)

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

4-2	System Manual
	C79000-G8576-C199-06