Series 65
ERROR! REFERENCE SOURCE NOT FOUND.
982156EB
Edition 2019-06-05
81/110
5.8
Operation during power up
Behavior of the valve depends of the homing settings.
Refer also to chapter: «Homing Start Option».
Followed description of the standard setting:
Valve position before power up:
Reaction of valve:
Closed (isolated)
Valve remains closed.
Homing will be done when first movement command is received.
All other than closed (not isolated) Valve do homing to initialize position.
Display shows ‘Ho’ until homing is done
Valve position after homing is closed
5.9
Behavior in case of power failure
Valve position
before
power failure:
Reaction of valve:
Without Power Failure Option (PFO)
653 . . - . . G
. - . . . .
653 . . - . . A
. - . . . .
653 . . - . . T
. - . . . .
653 . . - . . V
. - . . . .
With Power Failure Option (PFO)
653 . . - . . H
. - . . . .
653 . . - . . C
. - . . . .
653 . . - . . U
. - . . . .
653 . . - . . W
. - . . . .
Closed (isolated)
Valve remains closed.
Valve will close or open depending
on valve configuration
1)
.
Default is not defined.
Display indicates F.
Valve open or in any
intermediate position
Sealing ring moves down and blocks
the pendulum plate at the current
position.
Refer also to chapter: «Power Failure Option».
1)
Provide that battery pack of the VAT controller is charged. Charging time after power up is 2 minutes
max..
All settings are stored in a power fail save memory.
