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IndraControl VAU 02.1 Uninterruptible
Power Supply
10.4 Electric connection
10.4.1 Connecting 24 V DC to the UPS and panel or control cabinet PC
External power supply unit
A 24 V voltage supply supplies the UPS.
Use the Bosch Rexroth power supply unit VAP01.1H-W23-024-010-NN (see
ter 5.1 "External 24 V power supply unit " on page
the external power supply unit and on the creation of overvoltage categories, re-
fer to the documentation of the power supply unit.
All lines of the 24 V voltage supply have to be routed separately from lines carry-
ing higher voltages.
NOTICE
Ensure that the panel PC, control cabinet PC and UPS are disconnected from
voltage before routing.
Routing the UPS, cable lengths and cable cross-sections
NOTICE
Use only copper wires to wire the connection terminals. Tighten the screws of
the screw terminal blocks using a torque of 5.5 lb in (0.6 Nm).
Observe the following cable lengths and cross-sections if the provided connect-
ing cables are not used:
Mounting, demounting and electric installation
Damage to the panel PC, control cabinet PC
and UPS if connected under voltage.
Destruction of screw terminals, insufficient con-
tact and loss of UL certification if no copper
wire is used and/or wrong tightening torque.
R911384727_Edition 03 Bosch Rexroth AG
6). For further information on
17/31
chap-
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