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 [email protected] www.vatvalve.com
266341ED
2012-07-13
45/79
3.11.3 Explicit messaging control commands
Command
(DeviceNet
®
term
if deviant)
Service Code
Class ID
Instance ID
Attribute ID
Service
data length
(number of bytes)
Service
data field
Description
EXECUTING
6
48
1
3
This command changes the valve to executing state.
Note:
EXECUTING must to be selected to enable for all executing commands such as
control mode, close valve and open valve.
Note:
If valve is already in executing state and anew EXECUTING command is sent
DeviceNet
®
will return an error message.
IDLE
7
48
1
3
This command changes the valve to idle state.
RESET
5
1
1
0
This command resets the DeviceNet
®
interface.
FACTORY RESET
5
1
1
1
This command resets the DeviceNet
®
interface to factory default settings.
Note:
All previously done configurations will be overwritten.
SETPOINT TYPE
Set
16
51
0
8
1
Y
Get
14
51
0
8
1
Y:
0
pressure control
1
position control
This command selects / returns current setpoint type. It toggles valve operation mode
between position and pressure control.
Note:
To perform either position or pressure control also correct MODE must be selected.
MODE
(control mode)
Set
16
51
1 (pressure)
2 (position)
5
1
Y
Get
14
51
1 (pressure)
2 (position)
5
1
Y:
0
control mode (pressure resp. position control)
1
close valve (valve will close)
2
open valve (valve will open)
3
hold (stops the valve at the current position)
4
safe state (valve will close)
This command preselects / returns the mode for pressure resp. position control. By means of
instance ID either pressure or position must be addressed.
Note:
To activate either pressure or position control you must select correct SETPOINT
TYPE separately.
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)