Table 15 Order Identifier Battery Pack - Beckhoff C5240 Manual

Connecting the power supply to the 24 V DC power supply unit
Cables with a maximum cable cross-section of 1.5 mm
long supply lines, use 1.5 mm
least 22 V at the power supply connector of the industrial PC, so that the PC remains switched on during
voltage fluctuations.
Proceed as follows to connect the 24 V DC power supply unit:
1. Mount the power supply cable (see p.24).
2. Plug the power supply cable into the power supply socket of the industrial PC.
3. Connect the industrial PC to your external 24 V power supply.
4. Switch on the 24 V power supply.
External battery pack at C9900-P209
If you ordered your device with the C9900-P209 power supply unit with an integrated UPS, then you can
connect an external battery pack and install it on a DIN rail near to the PC. Use only Beckhoff battery packs
for this:
Table 15: Order identifier battery pack
Order identifier
C9900-U330
PIN 4 and 5 of the battery pack are available for looping through a 24 V power supply. Accordingly, you can
connect a three-core sheathed cable with plus and minus of the supply voltage as well as protective earth to
the battery pack and then connect to the PC with a five-core sheathed cable. The method of connecting
different components can be taken from the wiring diagram in fig. 22.
C5240
2
cables to achieve a low voltage drop on the supply line. There should be at
Version
Battery pack for PCs with 24 V power supply unit and integrated UPS C9900-
P209 or C9900-U209, external for DIN rail mounting, 3.4 Ah, operating
temperature 0...50 °C, contains two closed lead-acid batteries VRLA-AGM
Version: 3.0
2
can be used for connecting the power supply. For
Commissioning
27