Fig. 8 C9900-U330_Wiring Diagram-8-Pin - Beckhoff C9900-U330 Manual

Commissioning
If the supply voltage fails, the PC draws the voltage from the charged battery pack, which saves the data and
allows the PC to shut down properly.
The intended wiring of the battery pack can be found in the following wiring diagrams suitable for your
device.
1 2
Battery
24 V
+
L max = 10 m
2
1,5 mm / AWG14
1
24 V/3,4 Ah
C9900-U330 battery pack
Fig. 8: C9900-U330_wiring diagram-8-pin
14
3 4 5 6 7 8
Industrial PC power connector
Power
24 V DC
+
5
3 4
2
UPS Output
PTC
30 V/9 A
Version: 3.0
ext. switch
N0 N0
X1 X2
-
+
24 V DC 0 V
Power status
X1
X2
C9900-U330