VAT 653 Series Installation, Operating, & Maintenance Instructions page 73
Pendulum control & isolation valve with devicenet® interface
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Series 65
Command
ADAPTIVE
CONTROL
SENSOR DELAY
PRESSURE
CONTROL
SETPOINT RAMP
LEARN
(calibration service)
LEARN
PRESSURE LIMIT
(calibration scale)
LEARN STATUS
(calibration state)
982156EB
INSTALLATION
Service Code
Class ID
Set
16
51
Get
14
X:
0 = 0, 1 = 0.02, 2 = 0.04, 3 = 0.06, 4 = 0.08, 5 = 0.10, 6 = 0.15
7 = 0.20, 8 = 0.25, 9 = 0.30, 10 = 0.35, 11 = 0.4, 12 = 0.5, 13 = 0.6
14 = 0.8, 15 = 1.0
Note: Refer to «Sensor delay adjustment» for details.
Set
16
51
Get
14
X:
0 = 0, 1 = 0.5, 2 = 1.0, 3 = 1.5, 4 = 2.0, 5 = 2.5, 6 = 3.0
7 = 3.5, 8 = 4.0, 9 = 4.5, 10 = 5.0, 11 = 5.5, 12 = 6.0, 13 = 6.5
14 = 7.0, 15 = 7.5, 16 = 8.0, 17 = 8.5, 18 = 9.0, 19 = 9.5, 20 = 10.0
Note: Refer to «Setpoint ramp adjustment» for details.
99
51
This command starts LEARN.
With CONTROL MODE commands open valve or close valve the routine may be
interrupted.
Note: Without LEARN the PID controller is not able to perform pressure control.
Refer to «Learn (adaptive control algorithm)» for correct learn gas flow and procedure.
Set
16
51
Get
14
X:
learn pressure limit according to selected DATA TYPE,
nominal pressure range is 0 ... 10'000 (sensor full scale) but it may be scaled,
refer also to command GAIN for details.
This command transfers/reads the pressure limit for LEARN.
Note: Refer to «Learn (adaptive control algorithm)» for correct learn pressure limit setting.
Get
14
51
This command returns the status of the LEARN procedure. The status is binary coded.
X:
Bit
Explanation:
(LSB) 0
LEARN running
1
LEARN data set not present
2
LEARN terminated by user
3
Pressure in position OPEN
> 50% sensor full scale
or
> LEARN PRESSURE LIMIT
4
pressure in position 0
< 10% sensor full scale
5
Pressure falling during LEARN
6
Sensor not stable during LEARN
7..9
reserved
10
LEARN terminated by controller
11
Pressure in position OPEN negative
(MSB) 12..15 reserved
Edition 2019-06-05
Instance ID
Attribute ID
Description
1
107
1
108
1
0
1
100
1
106
(of high range sensor in case of a 2 sensor system)
(of low range sensor in case of a 2 sensor system)
Service
Service
data length
data field
(number of bytes)
1
X
1
X
-
-
2 integer
X
4 float
2
X
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