Replacement Of Option Board - VAT 642 Series Installation And Operating Instructions Manual
Control gate valve with cc-link interface
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Series 642
7.2.2
Replacement of Option board
The option board may or may not be equipped in your valve depending on the order. Refer to page 1
of this manual to check valve version. This board includes the optional modules for the valve which
are:
•
±15 VDC sensor power supply (SPS)
•
Power failure option (PFO)
It is available in 3 versions. These are:
•
SPS module only
•
PFO module only
•
SPS and PFO module
The modules may be retrofitted or replaced easily. The battery lifetime of the PFO module depends on
the ambient temperature (see below). To assure PFO function the option board must be replaced after
battery life has expired. For ordering number of the modules refer to chapter «Spare parts».
813316EB
MAINTENANCE
Electrostatic discharge
Electronic components could be damage.
All work on the control and actuating unit has to be done under ESD protected
environment to prevent electronic components from damage.
Burned connector pins (spark)
Connector pins or electronic parts could damage, if plugged and unplugged under
power.
Do not plug or unplug connectors under power.
Edition 2017-11-24
NOTICE
NOTICE
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