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 69 of 206
Relative
Index
Parameter Name
Description
Default
Value
Read/
Write
valve) in seconds. This
parameter will work similar
with the slew rate index
(VALVE_OPEN_SLEW_LIMI
T).
Changing the value of this
parameter will automatically
change the value of the
VALVE_OPEN_SLEW_LIMI
T parameter for a value close
with the new rate defined.
55
TAB_OP_CODE
The modification of a table in
a device influences the
measurement or actuation
algorithms of the device.
Therefore an indication of a
starting and an end point is
necessary. The
TAP_OP_CODE controls the
transaction of the table.
- r,w
56
TAB_STATUS
It is common to provide a
plausibility check in the
device. The result of this
check is indicated in the
TAB_STATUS parameter.
0 r
57
POSITIONING_VALUE
The actual command
variable for the final control
element in units of
OUT_SCALE.
Status BAD will drive the
actuator to the fail-safe
position defined by
ACTUATOR_ACTION.
This is the setpoint coming
from OUT Analog Output
parameter.
- r
58
FEEDBACK_VALUE
The actual position of the
final control element in units
of POSITION_UNITS
(AO.PV_SCALE).
- r
59
VALVE_MAN
Name of Valve Manufacturer.
-
r,w
60
ACTUATOR_MAN
Name of Actuator-
Manufacturer.
- r,w
61
VALVE_TYPE
Type of valve.
-
r,w
62
ACTUATOR_TYPE
Type of actuator.
Coding:
0: electro-pneumatic
- r,w
