INFICON VGC403 Three-Channel Measurement and Control Unit - Manual (Page 17)

tinb07e1-e 2011-07 Vacuum Gauge Controller
17
4.4 Measurement mode
4.4.1 Selection
The Vacuum Gauge Controller automatically selects the
measurement mode after it has been switched on.
When the unit is set to the parameter mode, it will auto-
matically return to the measurement mode if no button is
pressed for 10 seconds.
4.4.2 Description
The measurement mode is the standard operating mode.
It displays the pressure readings of the sensors. A status
message is displayed if the pressure exceeds the permis-
sible range. See Tab. 4-1,  17.
Tab. 4-1 Display when in measurement mode
Channels which are not connected to a sensor display
noSEn
. This status message disappears after approxi-
mately two minutes.
4.4.3 Control button functions
4.4.3.1 Selecting a channel
1 Press the CH button
Fig. 4-2 Pressing the CH button
The unit selects the next channel. The number of the
selected channel is flashing for a few seconds.
4.4.3.2 Selecting parameter mode
1 Press the PARA button
Fig. 4-3 Pressing the PARA button
The unit changes to the parameter mode. See
Chapter 4.5 Parameter mode,  19. It will automatically
return to the measurement mode if no button is pressed
for 10 seconds.
4.4.3.3 Switching high-vacuum circuit on
The high-vacuum circuit of the following sensors can be
switched on manually: PEG.
For this purpose the sensor control must be set to HAnd.
See Chapter 5.2.6 Sensor activation (S-on),  25.
1 Press the CH button to select the required channel
2 Keep the UP button pressed for approximately 1
second
Fig. 4-4 Press the UP button for 1 second
The sensor on the selected channel is switched on. The
HV indicator is illuminated. The display shows the pres-
sure reading or a status message. See Tab. 4-1,  17.
Display Pressure
Er Hi Significantly above the permissible
range
The FAIL indicator flashes
The error signal relay switches
Reading In the permissible range
Er Lo Significantly below the permissible
range
The FAIL indicator flashes
The error signal relay switches
Er x Error message of BPG400/HPG
x = Error code (High-Byte)
Er xx Error message of BCG, BPG402
xxH = Error code
noSEn See Tab. 4-2,  18
noid See Tab. 4-2,  18
oFF See Tab. 5-14,  30
Hot See Chapter 5.2.6,  25
SELF See Chapter 5.2.8,  25
CH 1 See Chapter 5.2.8,  25
CH 2 See Chapter 5.2.8,  25
CH 3 See Chapter 5.2.8,  25
LoC See Chapter 5.4.5,  30
para ch
para ch
para ch