VAT Series 612 DN 63-250, Инструкции по установке, эксплуатации и обслуживанию

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Installation, Operating & Maintenance Instructions
Series 612 DN 63-250 (I.D. 2.5“ - 10”), RS485
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 CH@vatvalve.com www.vatvalve.com
289857EA
2011-07-13
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3.11.8 Control commands
Command
Acknowledgement
(within 10ms after reception of command)
Control function
Description
Set [R:][xxxxxx][CR][LF] [R:][CR][LF]
Get [i:38][CR][LF] [i:38][00xxxxxx][CR][LF]
POSITION CONTROL
data length 6 characters for writing
8 characters starting with double zero for reading
xxxxxx position SETPOINT, value depends on configuration,
refer to «RS485 setup commands, RANGE CONFIGURATION»
for details
Change to POSITION CONTROL mode and transfer of position SETPOINT value resp.
reading of position SETPOINT.
Note: Reading returns position setpoint only in case pressure control is not selected.
Set [H:][CR][LF] [H:][CR][LF]
HOLD
This function stops the valve at the current position. It is effective in PRESSURE CONTROL
and POSITION CONTROL. The function can be revoked by a POSITION CONTROL,
PRESSURE CONTROL, OPEN VALVE or CLOSE VALVE command.
Set [C:][CR][LF] [C:][CR][LF]
CLOSE VALVE
Valve will close.
Set [O:][CR][LF] [O:][CR][LF]
OPEN VALVE
Valve will open.
Set [S:][0xxxxxxx][CR][LF] [S:][CR][LF]
Get [i:38][CR][LF] [i:38][0xxxxxxx][CR][LF]
PRESSURE CONTROL
data length 8 characters starting with a zero
xxxxxxx
pressure SETPOINT, value depends on configuration,
refer to «RS485 setup commands, RANGE CONFIGURATION»
for details
Change to PRESSURE CONTROL mode and transfer of pressure SETPOINT resp. reading
of pressure SETPOINT.
Note: Reading returns pressure setpoint only in case pressure control is selected,
otherwise position setpoint is returned.