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
30/77
3.6.2 Interface
configuration
Interface configuration must be adapted according to application needs.
The factory default setting of the interface is shown in the tables below.
Baud rate
Data bits
Stop bits
Parity
9600 7
1
even
Address
Duplex
Digital input OPEN
Digital input CLOSE
10
half duplex
Not inverted
Not inverted
•
Functionality of digital interlock inputs CLOSE VALVE and OPEN VALVE. These may be configured as ‘not inverted‘,
‘inverted‘ or ‘disabled‘. Default is ‘not inverted‘. Refer also to «Digital inputs».
•
Pressure and position range for RS485 communication must be selected. Default for pressure is 0 - 1’000’000. Default
for position is 0 - 100’000.
Local operation
:
(‘Control View’ or ‘Control Performance Analyzer’)
Remote operation
:
(Refer to chapter «setup commands» for details)
1. Send INTERFACE CONFIGURATION
Do configuration in menu ‘Tools / Terminal’.
to change the configuration: [s:22][abbbcxxx][CR][LF]
to read the configuration:
[i:22][CR][LF]
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)
Note: Each element is separated with square
brackets for clarity. Square brackets are not part of
command syntax. All elements are ASCII characters.
There are no spaces between the elements
necessary. Command is case sensitive.
This function defines the RS485 interface
configuration for the valve.
2. Send RANGE CONFIGURATION
Setup example
Description:
RS485 selected, half duplex operation, device address #015.
Command: s:2210151000<CR><LF>
Answer:
s:22<CR><LF>
