Installation, Operating & Maintenance Instructions
Series 650 DN 100-250 (I.D. 4“ - 10”), RS485
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel ++41 81 771 61 61 Fax ++41 81 771 48 30 Email
www.vatvalve.com
271149EA
2007-06-12
56/77
Command
Acknowledgement
(within 10ms after reception of command)
Setup function
Description
Set [c:75][xx][CR][LF]
[c:75][CR][LF]
Get [i:75][CR][LF]
[i:75][xx][CR][LF]
FREEZE MODE
data length 2 characters
xx
00 = disable freeze mode (valve will follow master valves plate position)
01 = enable freeze mode (valve will stop moving)
02 = enable freeze mode and move to close position
03 = enable freeze mode and move to open position
This function can be used to independently control an individual valve in the cluster. The
command must be used in combination with the INDIVIDUAL VALVE CONTROL command
only.
Example:
[G:03c:7502] [CR][LF] Enables freeze mode and closes valve with address 3
Answer: [G:03c:75] [CR][LF]
Set [c:74][abbbbb][CR][LF]
[c:74][CR][LF]
Get [i:74][CR][LF]
[i:74][abbbbb][CR][LF]
CLUSTER POSITION
OFFSET
data length 6 characters
a
sign (+ or -), 0 has equal function as +
bbbbb offset
value,
0 ... 30000 (0 to 30% of full stroke)
This function adds or subtracts the offset value from the actual plate position that is
received from the master valve. It is available on slave valves only.