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Connection
Length
Cross-section
Power supply unit and UPS
①
Maximum 2 m
Min. 5.0 mm
2
(AWG10)
UPS and PC
②
Maximum 2 m
Min. 2.5 mm
2
(AWG13)
①
,
②
fig. 10-4 "Wiring of the UPS" on page 23
Tab. 10-3: Cable lengths and cross-sections if the load changes
VAU 01.1Z
Cable length
①
Cross-sections when wired firmly
1 m to 7 m
1.0 mm
2
(AWG17)
8 m to 9 m
1.5 mm
2
(AWG15)
10 m
2.5 mm
2
(AWG13)
①
see
fig. 10-4 "Wiring of the UPS" on page 23
Tab. 10-4: Required cable cross-sections for the DC 24 V voltage supply depending on the
cable length when wired firmly
The following data applies if the load changes immediately caused by connect-
ing or disconnecting loads (not wired firmly) at the UPS:
Connection
Length
Cross-section
Power supply unit and UPS
①
Maximum 2 m
Min. 5.0 mm
2
(AWG10)
UPS and PC
②
Maximum 2 m
Min. 2.5 mm
2
(AWG13)
①
,
②
fig. 10-4 "Wiring of the UPS" on page 23
Tab. 10-5: Cable lengths and cross-sections if the load changes
10.5.2 VAU 01.1Z – Connecting the 115/230 VAC Voltage Supply
The VAU 01.1Z UPS features an integrated power supply unit, which provides
the buffer voltage for the PC, instead of a battery.
Connection
1. Connect X1N1 to the 115/230 VAC connection of the main UPS as shown
in the following figure.
Bosch Rexroth AG
Assembly, Disassembly and Electrical Installation
VAU 01.1
24/53
DOK-SUPPL*-VAU*01.1X**-IT02-EN-P