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ISO 9001
EN 29001
Installation, Operating, and Maintenance Instructions
Series 64.1
VAT Vakuumventile AG, CH-9469 Haag, Schweiz
Tel ++41 81 771 61 61 Fax ++41 81 771 48 30 Email [email protected] http://www.vatvalve.com
225590EE
2005-04-26
13/16
9.3.1 Control commands
Note:
<CR> = Carriage Return (0D hexadecimal); <LF> = Linefeed (0A hexadecimal); _ = Space (20 hexadecimal)
Control commands starting with ‘U:’ are accepted in REMOTE and LOCAL mode. All other control commands are accepted only, when the
PM controller is in REMOTE mode.
Control commands are acknowledged by one or two acknowledgements:
1st acknowledgement:
Confirmation that command has been received, within 40 ms
2nd acknowledgement:
If enabled, confirmation that command has been executed
Please refer to chapter ‚9.2 RS232C Interface Configuration‘ to select 1 or 2 command acknowledgements.
Description
Commands
Acknowledgements
2nd acknowledgement in
parenthesis
Examples / Explanation
Remote Operation
U:01<CR><LF> U:<CR><LF>
= switch to Remote
Local Operation
U:02<CR><LF> U:<CR><LF>
= switch to Local
Close valve
C:<CR><LF> C:<CR><LF>
(C:<CR<<LF>)
= close
Open valve
O:<CR><LF> O:<CR><LF>
(O:<CR<<LF>)
= open
Select valve position
in 1/1000 of stroke
(0000 = closed, 1000 = open)
R:xxxxxx<CR><LF> R:<CR><LF>
(R:<CR><LF>)
R:000428<CR><LF>
= 428 * 1/1000 of stroke
Zero adjust
Sensor offset adjustment
Z:<CR><LF> Z:<CR><LF> Automatic zero adjustment
Learn
up to maximum pressure to be
learned in 1/1000 of sensor
full scale
L:00xxxx<CR><LF> L:<CR><LF>
L:001000<CR><LF>
= up to sensor full scale
L:000100<CR><LF>
= up to 100 * 1/1000 = 10%
Pressure command: ‘S:’
Standard command
xxxx = 0000 to 1000 Pressure
in 1/1000 of full scale
S:00xxxx<CR><LF>
S:<CR><LF>
(S:<CR><LF>)
S:000119<CR><LF>
= 119 * 1/1000 of sensor full
scale
Select Sensor 1
U:12<CR><LF> U:<CR><LF>
Default, after power on
Select Sensor 2
U:13<CR><LF> U:<CR><LF>
Hold mode
Freeze valve position
H:<CR><LF>
K:<CR><LF>
H:<CR><LF>
K:<CR><LF>
= start hold
= change to pressure mode
Note: Command can be used in
pressure and position mode.
Reduced positioning speed
in 1/1000 of maximum speed
(remains stored until next
speed is given and is set to
1000 after mains is switched
off) Function is active for R:
V:xxxxxx<CR><LF>
V:<CR><LF>
V:000200<CR><LF>
R:000428<CR><LF>
= Actuator speed is 200* 1/1000
= 20% of maximum speed,
while gate is moved to
position 428* 1/1000 = 428
Auto size adjust
J:<CR><LF> J:<CR><LF> Automatic adjustment to valve
size
Disable Power Failure Option
Enable Power Failure Option
U:14<CR><LF>
U:15<CR><LF>
U:<CR><LF>
U:<CR><LF>
After power-up, PFO is always
enabled.
Interlock front panel keys
U:03<CR><LF>
U:04<CR><LF>
U:<CR><LF>
U:<CR><LF>
= interlock Local/Remote
buttons
= release Local/Remote buttons
Disable LOGIC INPUT
Enable LOGIC INPUT
U:16<CR><LF>
U:17<CR><LF>
U:<CR><LF>
U:<CR><LF>
= Disable LOGIC INPUT
= Enable LOGIC INPUT
