Fitting The Filter Subdrawer; Setting The Voltage Selector Switch - Siemens S5-155U System Manual

Fitting the filter subdrawer

Option
Where to fit the filter
subdrawer
How to fit the filter subdrawer
Setting the voltage selector
switch
How to set the voltage
selector switch
System Manual
C79000-B8576-C199-03
The filter subdrawer, two plug-in guide rails and the corresponding
filter mats are available as an option (see the ordering instructions for
the order numbers)
To insert a filter, you must secure the filter subdrawer to the lower
side of the power supply unit housing.
Proceed as follows:
Step Action
1 Insert the tabs of the two guide rails in the openings
provided on the lower side of the PSU (right and left).
2 Insert a filter mat in the filter subdrawer and secure it with
the gripper material.
3 Position the filter subdrawer in the guide rails, push it
back and swivel it up so that it engages.
On the AC power supply units, the voltage selector switch is situated
on the front plate and marked Voltage Selector. You can select a
voltage of 120 V or 230 V. The factory setting is 230 V.
Set the voltage according to your requirements:
Step Action
1 Disconnect the power supply unit from the line voltage.
2 Use a screwdriver to remove the transparent cover.
3 Set the voltage selector switch to your required voltage.
4 Refit the transparent cover.
Power Supply Units
4 - 37
4