Owner manual

page 57 of 74
Write commands ”CVC 2000”
Command Operation Parameter Description
OUT_MODE function
1
2
3
30
31
32
continuous pumping
vacuum control without detect
vacuum control with detect
optional: sensitivity: low
optional: sensitivity: normal
optional: sensitivity: high
OUT_SP_1 set vacuum XXXX
unit (mbar/Torr/hPa) according to pre-
selection; see respective function for
parameter range
OUT_SP_V
set vacuum
with venting*
XXXX
unit (mbar/Torr/hPa) according to pre-
selection; see respective function for
parameter range
OUT_SP_2 set frequency XX.X
motor speed in Hz (01.0 to 60.0 in steps
of 0.5 Hz or 99.9 for “HI”)
Command Operation Response Description
IN_ERR error code
1XXX
X1XX
XX1X
XXX1
fault at pump electronics
overpressure
maloperation mode pressure transducer
last command to interface incorrect
IN_STAT
status of
process control
0XXX
1XXX
X0XX
X1XX
XX00
XX01
XX02
XX03
XX10
XX11
XX20
XX21
XX22
XX23
XX30
XX31
coolant valve closed
coolant valve open
venting valve closed
venting valve open
VACUU•LAN: inactive
VACUU•LAN: pumping down,
current pressure > selected pressure
VACUU•LAN: pumping down, time for
automatic switching off is running
VACUU•LAN: system is switched off
continuous pumping: not active
continuous pumping; active
vacuum control: not active
vacuum control:
current pressure above set vacuum
vacuum control: current pressure
equals set vacuum (±1 Torr/mbar)
vacuum control:
current pressure below set vacuum
detect: not active
detect: determining boiling point