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Bosch Rexroth AG
Operating and Display Components
Switching off the VAU 01.1U after
a switch-on duration > 120 sec‐
Switching off the UPS after a
switch-on duration < 120 seconds
for switch positions 0 to 3
24V In
Input voltage DC 24 V on the UPS of the power supply unit.
24V Out
Output voltage DC 24 V of the UPS to supply the connected PC.
Fig.6-6:
Timing depending on the position of S1 rotary switch: Overview
Switch position 0 to 3 => for production mode
Switch position 0 => UPS time "t" = 5 seconds
Switch position 1 => UPS time "t" = 60 seconds
Switch position 2 => UPS time "t" = 120 seconds
Switch position 3 => UPS time "t" = 180 seconds
Observe that the timing behavior depends on the switch position "and" on the
"Shutdown Delay Time", which is set in the "UPS-NT Control" software. Via
this software times from 1 second to 45 seconds can be set.
onds
24V In
UPS operation
24V Out
> 120 seconds
24V In
Input voltage DC 24 V on the UPS of the power supply unit.
UPS opera‐
Signal to the connected PC that the UPS is in the buffer mode and
tion
that the supply voltage "24V Out" switches off after a set time.
24V Out
Output voltage DC 24 V of the UPS to supply the connected PC.
Fig.6-7:
Timing
If the input voltage on the UPS drops "after" the time delay of 120 seconds
has expired, the output voltage is buffered via the battery and UPS operation
is signaled to the connected PC. After the UPS time "t" has expired, the VAU
01.1U switches off the output voltage.
24V In
< 120 seconds
UPS operation
24V Out
24V In
Input voltage DC 24 V on the UPS of the power supply unit.
UPS opera‐
Signal to the connected PC that the UPS is in the buffer mode and
tion
that the supply voltage "24V Out" switches off after a set time.
24V Out
Output voltage DC 24 V of the UPS to supply the connected PC.
Fig.6-8:
Timing
If the input voltage on the UPS drops "before" the time delay of 120 seconds
has expired, the output voltage is buffered via the battery. However, this is
DOK-SUPPL*-VAU*01.1U**-PR03-EN-P
Rexroth IndraControl VAU 01.1U UPS with USB interface
Switch time
> 120 seconds
Switch position 2; UPS time approx. 120 s
"Shutdown Delay
Time"
(is set in the
> 120 seconds
UPS NT Control
software)
5 seconds
< 120 seconds
remaining time
Computer
shutdown
of the set switch
position
approx. 40 s
t
t
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