VAT 642 Series - Inquiry Commands

Series 642 INSTALLATION
742280ED Edition 2017-11-24 57/
119
Control function
Command Acknowledgement
Description
INDIVIDUAL VALVE
CONTROL
Set
G:abcomand G:abanswer
data length depending on command “c”
a high byte of cluster valve address in hexadecimal notation (0
hex
to F
hex
)
b low byte of cluster valve address in hexadecimal notation (0
hex
to F
hex
)
command to be executed by valve with address “ab”
Use this command to individually control any valve in the valve cluster.
When trying to operate an individual valve independently, make sure it is in “Freeze mode” (refer to
«
Setup commands
FREEZE MODE
»)
Example:
G:03c:7501 Puts valve with address 3 in “Freeze mode” (it will immediately
stop following the master valves plate position and wait for
commands addressed directly to it).
Answer: G:03c:75
G:03C: Closes valve with address 3
Answer: G:03C:
4.8.3 Inquiry commands
Inquiry function
Command Acknowledgement
Description
POSITION
Get
A: A:aaaaaa
data length 6 characters
aaaaaa position, return value depends on configuration,
refer to «RS232 setup commands, COMMUNICATION RANGE»
for details
This function returns the current valve position.
Remark: 999’999 is returned when the position is unknown, for example after power up
during synchronization
PRESSURE
Get
P: P:saaaaaaa
data length 8 characters
s sign, 0 for positive readings, - for negative readings
aaaaaaa pressure, return value depends on configuration,
refer to «RS232 setup commands, COMMUNICATION RANGE»
for details
This function returns the actual pressure.
SENSOR 1 OFFSET
Get
i:60 i:60aaaaaaaa
data length 8 characters
aaaaaaaa sensor 1 offset (-140000 ... 0140000 = -1.4V ... +1.4V)
This function returns the sensor 1 offset voltage (adjusted by ZERO).