Agilent Technologies TwisTorr 305 FS User Manual page 91

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TwisTorr 305 FS onboard Controller User Manual / 87-901-060-01
Read/Write Datatype
R/W N
R/W N
R/W N
R/W L
R/W N
R/W N
R/W N
R/W L
R/W N
R L
R N
R N
R N
R N
R N
Technical Information
RS 232/RS 485 communication description
Description
Analog output type:
output voltage signal
proportional to frequency
or power
Rotational frequency
setting (Hz)
Maximum rotational
frequency in Hz (active
only in Stop condition)
Set vent valve on/off (on
= closed)
Set the vent valve
operation
Vent valve opening delay
(expressed in 0.2 sec)
External fan configuration
(always on or driven by
serial command)
External Fan Setting
(ON/OFF serial command)
Gas Type Selection
Stop Speed Reading (it
reads the pump speed
while in stop mode)
Pump current in mA dc
Pump voltage in Vdc
Electrical power delivered
to the pump in W (pump
current x pump voltage
duty cycle)
Driving frequency in Hz
Pump body temperature
in °C
8
Admitted Values
0 = frequency; 1 = power
(default = 0)
700 to 1010
(default = 1010)
700 to 1010
(default = 1010)
On = 1; Off = 0
(default = 1)
Automatic = 0 (ref. to note 1)
On command = 1
(ref. to note 2) (default = 0)
0 to 65535
(corresponding to 0 to
13107 sec) (default = 15)
0 = Always On
1 = Serial
(default = 0)
On = 1; Off = 0
(default = 0)
Not active if W143=0
0 = Ar
1 = N2
2 = He (default = 0)
Ref. to item 4 of the note.
On = 1; Off = 0
(default = 0)
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