Siemens S5-135U/155U Setting the Power Supply Unit, Delivered, Function, Jumpers NN-MM closed

Models: S5-135U/155U

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Central Controllers and Expansion Units Power Supply Units

4.4.2Setting the Power Supply Unit

Locations of

The figure shows the jumper settings when the unit is delivered.

Jumpers

 

 

 

Connector

Connector

 

X1

X2

 

 

F NN

 

 

R MM

 

 

RR

 

 

LL

 

 

Front Plate

Functions of the

The jumper settings in bold print indicate the status when the unit is

Jumpers

delivered.

 

Function

Battery monitor (BAU) On

Battery monitor (BAU) Off

PSU shutdown after fan fault

No PSU shutdown after fan fault (only LED indication, relay signal)

Jumpers

NN-MM closed

NN-MM open

F-R closed

F-R open

Battery fault will be indicated by fault state of the signaling relay (contacts 2-3 closed).

Battery undervoltage (< 2.7V)

results in

battery fault signal (jumper

MM-NN).

Apart from ªBatt. Lowº LED

and output

of signal BAU, the signaling

relay can be activated as of Version 6 of the

PSU

Battery fault will not be indicated by fault state of the signaling relay

RR-LL closed

RR-LL open

4-60

System Manual

C79000-G8576-C199-06

Page 126
Image 126
Siemens S5-135U/155U appendix Setting the Power Supply Unit, Delivered, Function, Jumpers NN-MM closed, RR-LL open