Power Supply Units; Product Overview - Siemens S5-135U/155U System Manual

4.3

Power Supply Units

Power supply units are part of the S5-135U/155U central controllers and of
the EU 183 and EU 185 expansion units.
4.3.1

Product Overview

The following section provides an overview of power supply types, their
functions, LEDs and controls and their inputs and outputs.
Power Supply
Your CC/EU contains one of the following power supply units (PSUs):
Types
6ES5 955-3LC42
6ES5 955-3LF42
6ES5 955-3NC42
6ES5 955-3NF42
The 5 V and 15 V output voltages are regulated; the 24 V output voltage has
coarse stabilization.
All four power supply units have safe electrical separation according to
VDE 0805/EN 60950.
Note
Power supply units are exclusively adapted to operation with CCs/EUs.
System Manual
C79000-G8576-C199-06
Central Controllers and Expansion Units Power Supply Units
Type of PSU Input
(Designation) Voltage
120 V AC
230 V AC
(selectable)
120 V AC
230 V AC
(selectable)
24 V DC
24 V DC
Output Voltage Application
5V/18A DC Central controller
15V/0.5A DC 6ES5 188-3UA12
24V/1A DC Expansion units
6ES5 183-3UA13
6ES5 185-3UA13
5V/40A DC Central controller
15V/2A DC 6ES5 188-3UA22
24V/2.8A DC Expansion units
6ES5 185-3UA33
5V/18A DC Central controller
15V/0.5A DC 6ES5 188-3UA32
24V/1A DC Expansion units
6ES5 183-3UA22
6ES5 185-3UA23
5V/40A DC Central controller
15V/2A DC 6ES5 188-3UA52
24V/2.8A DC Expansion units
6ES5 185-3UA43
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