Write commands, Pin assignment rs-232 c – VACUUBRAND DCP 3000 User Manual
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The single abbreviations of a command are separated by underscores
(ASCII 5FH).
The string is terminated with <CR><LF> (ASCII 0DH, ASCII 0AH).
* unit according to preselections
** When changing the time interval, recording starts anew, existing data are deleted. Time inter-
val ”0” stops recording, data are stored.
Pin assignment RS-232 C
2: RxD
5: Mass
9: +5V (Bluetooth)
3: TxD
7: RTS
4: DTR
8: CTS
Write commands
Command
Operation
Parameter Description
OUT_SP_1
time interval for
automatic send-
ing of all pressure
values
XX:XX
alternatively:
XXX
mm:ss (minutes:seconds);
alternatively:
sss (seconds)
OUT_SP_2
time interval for
recording**
XX:XX
alternatively:
XXX
mm:ss (minutes:seconds);
alternatively:
sss (seconds)
OUT_VENT
switching venting
valve
0
1
2
venting valve closed
venting valve open
venting until atmospheric pressure
OUT_SENSOR
1....8
external pressure transducers (if con-
nected)
REMOTE
-
1
switch DCP 3000 off
switch DCP 3000 on
OUT_SP_1y
setpoint On
XXXX.X mbar/
Torr/hPa*
X.XXE±X mbar/
Torr/hPa* or
X.XXE±0X
mbar/Torr/hPa*
y: 1.........4: setpoint On y
OUT_SP_2y
setpoint Off
XXXX.X mbar/
Torr/hPa*
X.XXE±X mbar/
Torr/hPa* or
X.XXE±0X
mbar/Torr/hPa*
y: 1.........4: setpoint Off y