VAT 615 Series

Installation, Operating & Maintenance Instructions
Series 615 DN 40 (I.D. 1½”), DeviceNet
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 CH@vatvalve.com www.vatvalve.com
603476EA
2013-07-25
67/102
4.11 S-Analog Sensor Object (Class ID 49)
Command
Service Code
Class ID
Instance ID
Attribute ID
Service
data length
(number of bytes)
Service
data field
Description
DATA TYPE
Set
16
49
1
3
1
X
Get
14
X: 195 signed integer
202 floating point
This command defines the data type for PRESSURE, PRESSURE SETPOINT, POSITION,
POSITION SETPOINT, SENSOR 1 READING, SENOR 1 OFFSET VALUE, SENSOR 2
READING, SENSOR 2 OFFSET VALUE, SENSOR LEARN LIMIT
Default value is 195.
PRESSURE UNITS
Set
16
49
1
4
2
X
Get
14
X: 4097 counts
4103 percent
4864 psi
4865 Torr
4866 mTorr
4871 bar
4872 mbar
4873 Pascal
4875 atm
This command selects the unit for the pressure.
Default value is 4097.
POSITION UNITS
Set
16
49
3
4
2
X
Get
14
X: 4097 counts
4103 percent
5891 degrees
This command selects the unit for the positions.
Default value is 4097
SENSOR READING
Get
14
49
1 (Sensor 1)
2 (Sensor 2)
6
2 int
4 float
This function returns direct reading from sensor according to selected DATA TYPE. Nominal
range is 0 … 10’000 but it may be scaled. Refer also to command GAIN and picture on the
following page for details.
POSITION READING
Get
14
49
3
6
2 int
4 float
This command returns the current valve position according to selected DATA TYPE. Position
range is 0 (closed) … 10’000 (open).