Psu3 / Ups3 Power Supply - Siemens Hicom 100 E Service Manual

12.4 Power supply
Power supply unit (PSU) with power cable (1.5 m) or uninterruptible power supply unit (UPS)
with power cable (1.5 m) and battery connection. Overall rating:
PSU 3/UPS 3 > 73W
PSU 2/UPS 2 > 73W
Mains input 230 VAC ~ ± 15% and 115 VAC ~ ± 15% with automatic range switchover (98VAC
to 264VAC). Frequency 50/60 Hz.
The ringing voltage can be set (fixed at 75 VAC in German version and cannot be adjusted):
45VAC ~ ± 10% at 50 Hz or
75VAC ~ ± 10% at 25 Hz
Plug in and secure the PSU or UPS (with screws) when the required add-on modules have
been inserted.
Danger
!
The heat sinks in the power supply unit are directly connected to the mains. Always
unplug the mains plug before opening the PSU housing.
Caution
!
Before commencing work on the system or installing expansions, always pull the
power plug, disconnect (screw connections) and pull the PSU or UPS, as otherwise
the modules may be damaged
12.4.1

PSU3 / UPS3 power supply

Derived voltage
+5V DC
-48V DC
-45/75 V DC
Table 12-10 PSU3 / UPS3 power distribution for Euroset line 36 (V 2.0.1+)
A31003-K16-X001-3-7620, 07/99
Hicom 100 E Version 2.1, Service manual
MB and system
expansion
10W
48W
8W
Euroset line 36/Hicom 118-2
Function
expansion
5W
2W
—
System data
Total
15W
50W
8W
12-19