WESTLOCK CONTROLS CORPORATION
280 N. MIDLAND AVE., STE. 258, SADDLE BROOK, NJ 07663 TEL: 201-794-7650 FAX: 201-794-0913
www.westlockcontrols.com
10/5/2013
TECH-477/D.W.O. 21424
Page 70 of 206
Relative
Index
Parameter Name
Description
Default
Value
Read/
Write
1: electric
2: electro-hydraulic
3: others
63
ACTUATOR_ACTION
Fail-Safe position for power-
loss of the actuator
respectively the valve.
Coding:
0: not initialized
1: opening (100%)
2: closing (0%)
3: none / remains in actual
position
- r,w
64
VALVE_SER_NUM
Serial number of the valve
belonging to the positioner or
the electronic device.
- r,w
65
ACTUATOR_SER_NUM
Serial number of the actuator
belonging to the positioner or
the electronic device.
- r,w
80
POSITION_UNITS
Engineering unit for position
copied from AO.PV_SCALE
1342: %
(percent
)
r
81
WORKING_SP
This parameter is the
process variable from the
analog output block after
characterization, FLOP and
reverse acting
(SIGNAL_ACTION) in
POSITION_UNITS.
0 r,w
82
WORKING_POSITION
Hall sensor value in
engineering unit defined in
the POSITION_UNITS
parameter.
0 r
83
POSITION
Result of reverse
characterization of
WORKING_POSITION
parameter.
0 r
84
FEEDBACK_SOURCE
Select each position value
will be copied to
FEEDBACK_VALUE
parameter. The available
sources are the
WORKING_POSITION and
POSITION
2 r,w
85
FLOP
Invert the HALL sensor value
(WORKING_POSITION
parameter).
0 r,w
86
SIGNAL_ACTION
Reverse the Servo PID
0
r,w