VAT 650 AP Series, Инструкции по установке, эксплуатации и обслуживанию

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Installation, Operating & Maintenance Instructions
Series 650 DN 100-
250 (I.D. 4“ - 10”), 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
266341ED
2012-07-13
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3.11.4 Explicit messaging inquiry commands
Command
(DeviceNet
®
term
if deviant)
Service Code Class ID Instance ID Attribute ID
Service
data length
(number of bytes)
Service
data field
Description
VALVE CLOSED
CHECK
(discrete input 1)
Get 14 8 1 3 1
This command returns:
0 valve is not closed
1 valve is closed
VALVE
OPEN CHECK
(discrete input 2)
Get 14 8 2 3 1
This command returns:
0 valve is not open
1 valve is open
POSITION
Get 14 49 3 6 2 or 4
This command returns the current valve position according to selected DATA TYPE. Position
range is
0
(closed) … 10’000
(open).
PRESSURE
Get 14 49 1 6 2 or 4
This command returns the actual pressure 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 and picture on the following page for details.
SENSOR 1 READING
Get 14 100 1 108 2 or 4
This function returns direct reading from sensor 1 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.
SENSOR 2 READING
Get 14 100 1 109 2 or 4
This function returns direct reading from sensor 2 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.
SENSOR 1 OFFSET
VALUE
(Sensor 1 offset A)
Get 14
49 1 12
2 or 4
100 1 110
These commands return the offset voltage (adjusted by ZERO) of the sensor 1 according to
selected DATA TYPE. Both commands are identical.
Value range is -1400
…
+1400 (-
1.40V … +1.40V).
SENSOR 2 OFFSET
VALUE
(Sensor 2 offset A)
Get 14 100 1 111 2 or 4
This command returns the offset voltage (adjusted by ZERO) of the sensor 2 according to
selected DATA TYPE.
Value range is -1400
…
+1400 (-
1.40V … +1.40V).
Note: Unless otherwise specified all values in the table above are in decimal notification. Hexadecimal values are indicated
by the letter „h„ (e.g. 31h)