Setting The Power Supply Unit - Siemens S5-135U/155U System Manual

Central Controllers and Expansion Units Power Supply Units
4.4.2

Setting the Power Supply Unit

Locations of
The figure shows the jumper settings when the unit is delivered.
Jumpers
Functions of the The jumper settings in bold print indicate the status when the unit is
Jumpers
delivered.
Battery monitor (BAU) On
Battery monitor (BAU) Off
PSU shutdown after fan fault
No PSU shutdown after fan fault (only LED
indication, relay signal)
Battery fault will be indicated by fault state of the
signaling relay (contacts 2-3 closed).
results in
MM-NN).
and output
relay can be
PSU
Battery fault will not be indicated by fault state of the
signaling relay
4-60
Connector
X1
Front Plate
Function
Battery undervoltage (< 2.7V)
battery fault signal (jumper
Apart from "Batt. Low" LED
of signal BAU, the signaling
activated as of Version 6 of the
Connector
X2
F
NN
R MM
RR
LL
Jumpers
NN-MM closed
NN-MM open
F-R closed
F-R open
RR-LL closed
RR-LL open
System Manual
C79000-G8576-C199-06