Equipment information
Granville-Phillips Co. Series 340 Control Unit
Manufacturer:
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Model:
Series 340
Date:
2013
Category:
Group:
Description:
Vacuum Gauge Controller
Information
2.1 General Description
The Series 340 Vacuum Gauge Controller (VGC) measures
pressures from less than 1 x 10 -9 Torr
(1.3 x 10-9 mbar or 1.3 x 10-7 pascal) to atmosphere by use
of a single ionization gauge and two
Convectron Gauges. Pressure readout is via a front panel
display and analog outputs. Resistance
heating degas is standard. An interlock is provided to allow
degas only when the ion gauge tube is
ON and the displayed pressure is below 5 x 10-5 Torr.
Pressure reading during degas is not possible.
The 340 VGC is a modular instrument with infrequently used
controls housed behind a hinged front
panel, thus reducing front panel clutter and allowing the
VGC to reside in a half-rack space.
2.1.1 Available Options
2.1.1.1 Remote Input/Output
The 340 VGC can be ordered with a factory installed remote
I/O option which provides an ion
gauge (IG) status relay, remote gauge on/off input and
remote degas on/off input functions.
2.1.1.2 Process Control Relays
The 340 VGC can be ordered with a factory installed process
relay option which provides
automatic ion gauge turn-ON from Convectron channel "1" and
a Convectron Gauge process relay
output that is user selectable to operate from channel "1"
or "2".
2.1.1.3 Ion Gauge Cables
The VGC is capable of operating an ion gauge located up to
50 feet away from the controller by
using standard cables. Degas power delivered to the gauge
decreases with cable length. Cables are
available for use with glass or nude Bayard Alpert (B-A) gauges.
2.1.2 Mounting Options
The 340 VGC can be ordered with a variety of mounting
options to fit your needs. This includes half
rack (standard), full rack, or bench mounting. See Figure
3-2 on page 20 for dimensional
illustrations.
Manual Type:
User Manual
Pages:
70
Size:
2.14 Mbytes (2240574 Bytes)
Language:
english
Revision:
C
Manual-ID:
340005
Date:
2013 01 01
Quality:
Electronic document, no scan, very well readable.
Upload date:
2016 12 28
MD5:
9bc12b2fd6522ad50826e2da89a6756b
Downloads:
483
Information
Chapter 1
Safety Instructions ... .
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... 7
1.1
Safety Introduction ... .
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... 7
1.2
Equipment Grounding ... .
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... 9
1.3
Implosion / Explosion ... .
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... 9
1.4
Damage Requiring Service ... .
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... 11
1.5
Service Guidelines ... .
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... 11
1.6
Warranty Information ... .
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... 12
1.7
FCC Verification ... .
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... 12
1.8
Canadian Users ... .
... .
... 12
Chapter 2 Introduction & Specifications ... .
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... 13
2.1 General Description ... .
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... 13
2.1.1 Available Options ... .
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... 13
2.1.2 Mounting Options ... .
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... 13
2.2 Receiving Inspection ... .
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... 13
2.2.1 Damaged Material ... .
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... 13
2.3 Specifications ... .
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... 15
2.3.1 340 VGC Specifications ... .
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... 15
2.3.2 Electrometer/Ion Gauge Pressure Range Specifications.
... 15
2.3.3 Convectron Specifications ... .
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... 16
2.3.4 Remote Input/Output ... .
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... 17
Chapter 33.13.23.33.4Installation ... .
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... 19
Initial VGC Setup and Installation ... .
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... 19
3.1.1 Line Voltage Selection ... .
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... 19
3.1.2 Mounting Configurations ... .
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... 20
Ionization Gauge Types and Installation ... .
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... 21
3.2.1 Ion Gauge Cables ... .
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... 22
Convectron Gauge Installation ... .
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... 24
3.3.1 Important Precautions for Gauge Tube Installation . .
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... 24
3.3.2 Gauge Orientation ... .
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... 25
3.3.3 Compression Mount (Quick Connect) ... .
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... 26
3.3.4 1/8 NPT Mount ... .
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... 26
3.3.5 NW16KF Flange Mount ... .
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... 26
3.3.6 Other Mounting Options ... .
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... 27
3.3.7 Convectron Gauge Cables ... .
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... 27
System Grounding Procedure ... .
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... 28
3.4.1 System Ground Test Procedure ... .
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... 30
Chapter 4 Operation ... .
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... 31
4.1 Series 340 VGC Controls ... .
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... 31
4.1.1 Sensor Failure ... .
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... 32
4.1.2 Power ON/OFF ... .
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... 32
4.1.3 Electrometer Module Units of Measure ... .
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... 32
4.1.4 Ion Gauge ON/OFF ... .
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... 32
4.1.5 Degas ON/OFF ... .
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... 32
4.1.6 Remote Input/Output ... .
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... 32
4.2 Theory of Operation ... .
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... 33
4.2.1 Ionization Gauge Theory of Operation ... .
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... 33
4.2.2 Convectron Gauge Theory of Operation ... .
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... 34
4.34.4Convectron Gauge Operation ... .
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... 35
4.3.1 Reading Pressure ... .
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... 35
4.3.3 Use With Gases Other Than N2 and Air ... .
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... 35
4.3.4 Indicated vs. True Pressure Curves ... .
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... 35
Convectron Gauge Module Setup ... .
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... 44
Chapter 55.15.25.35.4Electrometer Module ... .
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... 45
Introduction to the Electrometer Module ... .
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... 45
Units of Measure ... .
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... 45
5.2.1 Display Update Rate Switch ... .
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... 46
Operation ... .
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... 46
5.3.1 Displaying Sensitivity, Pressure, and Emission with
the Calibration Switch ... 46
5.3.2 Emission Range Switch ... .
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... 47
5.3.3 Emission Adjustment ... .
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... 47
5.3.4 Sensitivity Adjustment ... .
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... 47
5.3.5 Relative Gas Sensitivities ... .
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... 48
5.3.6 Analog Output ... .
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... 48
Electrometer Calibration ... .
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... 50
5.4.1 Electrometer Minimum Adjustment ... .
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... 50
5.4.2 Electrometer Scale Adjustment ... .
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... 50
5.4.3 Overpressure Shutdown Adjustment ... .
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... 50
5.4.4 A/D Calibration ... .
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... 50
Chapter 6
Convectron Gauge Module ... .
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... 51
6.1
Introduction to the Convectron Gauge Module ... .
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... 51
6.2
Units of Measure for a Convectron Gauge ... .
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... 51
6.3
Ionization Gauge Filament Auto Turn ON ... .
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... 52
6.4
Process Relay Turn ON ... .
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... 53
6.4.1 Setting the Internal CGB & CGA Switches ... .
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... 53
6.5 Process Relay Turn ON Indicator ... .
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... 53
6.6.1 Zero Calibration ... .
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... 54
6.6.2 Atmosphere Calibration ... .
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... 54
6.7 Convectron Gauge Analog Output Signal ... .
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... 55
Chapter 7
Service and Maintenance ... .
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... 57
7.1
Service Guidelines ... .
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... 57
7.2
Damage Requiring Service ... .
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... 58
7.3
Troubleshooting ... .
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... 59
7.3.1 Power Input Troubleshooting ... .
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... 59
7.3.2 Power supply Troubleshooting ... .
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. . 61
7.3.4 Degas Troubleshooting ... .
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... 61
7.3.5 Electrometer Troubleshooting ... .
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... 62
7.3.6 Convectron Gauge Troubleshooting ... .
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... 63
Chapter 8 Index ... .
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... 67