VACUUBRAND VNC 1 - Manual (Page 29)

Documents are only to be used and distributed completely and unchanged. It is strictly the users´ responsibility to check
carefully the validity of this document with respect to his product. Manual-no.: 999118 / 16/12/2009
page 29 of 35
Connector assignment
2: RxD
3: TxD
4: DTR (12 V)
5: Mass
0: Remote off
1: Remote on
0: Unit of pressure mbar
1: Unit of pressure Torr
2: Unit of pressure hPa
0: External error off
1: External error on (evaluation)
2: Stop (control is stopped)
0: Acoustic signal not configured
1: Acoustic signal configured
0: Isolation valve not existing
1: Isolation valve existing
0: Cooling water valve not existing
1: Cooling water valve existing
0: Valve
1: Pump
2: VARIO
Write commands
Function Command Parameter Description
The single abbreviations of a command are separated by underscores (ASCII 5FH).
Command and parameter are separated by ignore characters (ASCII 20H).
The string is terminated with <CR><LF> (ASCII 0DH, ASCII 0AH).
* If remote operation is selected or deselected, the user has to ensure that no dangerous status of the
system due to the change of the mode of operation can occur and to provide appropriate safety measures,
especially if selecting remote operation interferes with a locally operated active process.
Start process control START
End process control STOP X 1: End process control
2: End process control and store actual
pressure value as preset pressure
Remote operation* REMOTE X 0: Set controller to local operation
1: Set controller to remote operation
Store all parameters STORE
to EEPROM
Configuration OUT_CFG XXXXXXX
Control