VAT 642 Series - Page 59

Series 642 INSTALLATION
742280ED Edition 2017-11-24 59/
119
Inquiry function
Command Acknowledgement
Description
DEVICE STATUS
Get
i:30 i:30abcdefgh
data length 8 characters
a Access Mode
0
= local operation
1
= remote operation
2
= locked remote operation
b Control Mode
1
= synchronization
2
= POSITION CONTROL
3
= CLOSED
4
= OPEN
5
= PRESSURE CONTROL
6
= HOLD
7
= LEARN
8
= INTERLOCK OPEN (by digital input)
9
= INTERLOCK CLOSED (by digital input)
C
= power failure
D
= safety mode
E
= fatal error (read «FATAL ERROR STATUS» for details)
c Power Failure Option
0
= disabled
1
= enabled
d Warning
0
= no warnings
1
=
warnings
(read «WARNINGS» and «ERROR STATUS» for details)
efg Reserved
h Simulation
0
= normal operation
1
= system simulation running
This function returns status information about the valve.
Remark: In simulation mode the valve can demonstrate pressure control capability
independent of other equipment such as vacuum chamber, flow controller and gauge.
Normal operation is not possible when simulation is running.