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DOK-SUPPL*-VPB*40.1***-PR02-EN-P
Rexroth IndraControl VPB 40.1 Control Cabinet PC
Charging cycles
8.5
Extension Cards
8.5.1
General Information
8.5.2
Installing Extension Cards
WARNING
Before replacing the battery backup important data because during battery ex‐
change a voltage loss is possible, which might cause data loss in the RAM.
A charging cycle is determined by switching the PC power supply unit on and
off. As long as the operator terminal is connected to the supply system, a total
discharge of the battery pack is avoided.
The number of charging cycles of the battery pack and thus, its service life is
dependent on the surrounding air temperature, in which the battery pack is
used. Surrounding air temperature defines the temperature, in which the oper‐
ator terminal and the battery pack are situated, e. g. the internal temperature
of the control cabinet or in an operator panel housing.
The following table can be used as guideline:
Surrounding air temperature
25 °C
35 °C
45 °C
Fig.8-8:
Battery pack - maintenance interval: external battery pack for top-hat rail
mounting and for screw mounting
The used batteries are recyclable and can be returned to Bosch
Rexroth after replacement. They must not be disposed in the stand‐
ard household refuse!
For plugging extension cards slots for PCI and ISA bus are available. According
to the PC box type a maximum of four PCI cards and of one ISA board is pos‐
sible, see also
chapter 4.1 "PC Box" on page
for the cards is 180 mm.
WARNING
Comply with all ESD protective measures while working with modules and
components! Avoid electrostatic discharges!
WARNING
Install only released extension cards. Installation is only to be carried out by
authorized personnel.
1. Switch off the supply voltage.
Bosch Rexroth AG
Maintenance and Installation
Data loss in the RAM during battery exchange
due to missing data backup!
Maintenance interval
10 years
5 years
2.5 years
19. The maximum length allowed
Risk of damage to the VPB 40.1 or to the ex‐
tension cards due to electrostatic discharges!
Risk of damage to the VPB 40.1 or the appli‐
cation software by integrating optional cards
that are not released!
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