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
51/77
3.11.9 Setup commands
Command
Acknowledgement
(within 10ms after reception of command)
Setup function
Description
Set [c:01][xx][CR][LF]
[c:01][CR][LF]
ACCESS MODE
data length: 2 characters
xx
00 = local operation (service port)
01 = remote operation, change to local enabled
02 = locked remote operation, change to local not possible via service port
This function selects the access authorization to the valve. To read access mode use
inquiry command DEVICE STATUS.
Note: Local operation is only possible when either ‘Control View’ or ‘Control Performance
Analyzer’ software is running. When communication to service port is interrupted the valve
will automatically change to remote operation.
Set [s:20][abcdefgh][CR][LF]
[s:20][CR][LF]
Get [i:20][CR][LF]
[i:20][abcdefgh][CR][LF]
INTERFACE
CONFIGURATION 1
data length 8 characters
a
baud rate:
0 = 600, 1 = 1200k, 2 = 2400, 3 = 4800, 4 = 9600
5 = 19.2k, 6 = 38.4k, 7 = 57.6k, 8 = 115.2k
b
parity bit: 0 = even, 1 = odd, 2 = mark, 3 = space, 4 = no
c
data length: 0 = 7 bit, 1 = 8 bit
d
number of stop bits: 0 = 1, 1 = 2
e
0 (reserved, do not change)
f
digital input OPEN VALVE:
0 = not inverted, 1 = inverted, 2 = disabled
g
digital input CLOSE VALVE: 0 = not inverted, 1 = inverted, 2 = disabled
h
0 (reserved, do not change)
This function does the RS485 and digital input configuration.
Note: Digital outputs are always enabled.
Set [s:22][abbbcxxx][CR][LF] [s:22][CR][LF]
Get [i:22][CR][LF]
[i:22][abbbcxxx][CR][LF]
INTERFACE
CONFIGURATION 2
data length 8 characters
a
1 = RS485, 2 = RS485 / Point to Point
bbb RS485
address
0...999
c
0 = full duplex, 1 = half duplex
xxx
000 (reserved, do not change)
This function defines the interface configuration for the valve.