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MKS 937B Series Manuals
Manuals and User Guides for MKS 937B Series. We have
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MKS 937B Series manuals available for free PDF download: Operation And Maintenance Manual
MKS 937B Series Operation And Maintenance Manual (131 pages)
High Vacuum Multi-Sensor System
Brand:
MKS
| Category:
Controller
| Size: 1 MB
Table of Contents
Table of Contents
2
Package Contents
7
1 Safety Information
8
Symbols Used in this Manual and Their Definitions
8
Safety Precautions
8
Safety Procedures and Precautions
8
2 Specifications
10
Controller
10
Sensors
12
Controller Display Messages
16
3 Feature and Control Locations
18
Figure 3-1 937B Front Panel
18
Figure 3-2 937B Rear Panel
18
4 Typical Applications for the Series 937B Controller
20
5 HPS Products Series 937B Multi-Sensor High Vacuum System
21
Figure 5-1 937B Front View
21
6 Operating the Series 937B Controller
23
Power
23
Front Panel Control Lock
23
Front Panel Display
23
Standard Front Panel Display
23
Figure 6-1 Standard 937B LCD Front Panel Display for Pressure Measurement (A) Leak Detection Mode; (B) MFC Ratio or Valve Control Mode
24
Large Font Displays
25
System Setup
25
Overview of 937B System Setup
25
Figure 6-2 a Comparison between Standard Display Mode and Large Font Display Mode for the 937B LCD Display (A) During Pressure Measurement; (B) During MFC Ratio Control/Valve Pressure Control
25
Display System Setup Parameters
26
Figure 6-3 937B System Setup Parameters, Their Default Values and Ranges
26
Change and Save a Parameter Value
27
Figure 6-4 System Setup Information Displayed on 937B LCD Screen
27
Description of the System Setup Parameters
28
Figure 6-5 System Firmware and Serial Number Information Displayed on 937B LCD Screen
30
Figure 6-6 Setting DAC Logarithmic and Linear Analog Output
30
Channel Setup for Pressure Measurement
31
Overview of 937B Channel Setup
31
Setup for a Capacitance Manometer
33
Figure 6-7 937B Channel Setup Setting Parameters, Their Default Values and Ranges
33
Figure 6-8 Capacitance Manometer Setup Information Displayed on the 937B LCD Screen
34
Table 6-1 Valid Gauges for Autozeroing Capacitance Manometers of Different Ranges
35
Setup for a PR (Pirani)/Cp (Convection Pirani) Sensor
36
Figure 6-9 Pirani/Convention Pirani Setup Information that Is Displayed on the 937B LCD Screen
36
Setup a Cold Cathode Sensor
39
Figure 6-10 Cold Cathode Setup Information as Displayed on 937B LCD Screen
39
Setup a Hot Cathode Sensor
41
Figure 6-11 Hot Cathode Setup Information Displayed on 937B LCD Screen
42
Table 6-2 Relative Ionization Correction Factor to N2 for Different Gases
42
Power Control of a Pressure Sensor
45
Power (Including Degas) Control of a Sensor Using Front Panel Control Button
45
Power (Including Degas) Control of a Sensor Via 37 Pin AIO Dsub Connector
46
Power (Including Degas) Control of a Sensor Using Serial Communication Commands
46
Table 6-3 Pin out for Ion Gauge Remote Control
46
Leak Test Using the 937B Controller
47
Leak Test Principle Applied for the 937B
47
Procedures for a Leak Test with the 937B
47
Channel Setup for Flow Measurement and Control
49
Setup of a Single MFC for Flow or Pressure Control
49
Figure 6-12 MFC Setup Information Displayed on 937B LCD Screen
49
Figure 6-13 the Mfc/Valve Control Recipe Setup Screen
54
Set Mfcs for Ratio Flow and Pressure Control
57
Figure 6-14 System Setup Display
57
Figure 6-15 MFC Ratio Control Setup Screen
58
Pressure Control Using a Control Valve
59
Valve Selection
59
Valve Control Mode
60
Figure 6-16 Pressure Control Setup Screen
60
7 Installing Vacuum Sensors
61
Installing Cold Cathode Sensors
61
Locating a Cold Cathode Sensor
61
Orienting a Cold Cathode Sensor
61
Managing Contamination in a Cold Cathode Sensor
61
Connecting the Series 421/422 Sensor
61
Connecting the 423 I-MAG Sensor
62
Installing Hot Cathode Sensors
62
Locating a Hot Cathode Sensor
62
Preventing Contamination in a Hot Cathode Sensor
62
Orienting a Hot Cathode Sensor
62
Connecting a Hot Cathode Sensor to the Vacuum System
62
Connecting a Hot Cathode Sensor to the 937B Controller
63
Figure 7-1 13 Pin D-Sub Connector on the Back of 937B HC Board
63
Table 7-1 Hot Cathode Connector Pin out
63
Figure 7-2 LPN Gauge Cable Diagram
64
Figure 7-3 Mini BA Gauge Cable Diagram
64
Table 7-2 Pin Assignment for HC Sensor Type Identification
64
Installing Pirani Sensors
65
Locating a Pirani Sensor
65
Preventing Contamination in a Pirani Sensor
65
Orienting the Series 317 Pirani Sensor
65
Orienting the Series 345 Pirani Sensor
65
Connecting the Series 317/345 Sensors
65
Preparing the 317 Sensor for Bakeout
66
Figure 7-4 317/345 Cable Diagram
66
Capacitance Manometers - MKS Baratron
67
Installing a Baratron Capacitance Manometer
67
Connecting a Baratron™ Capacitance Manometer
67
Table 7-3 Pin out for 317/345 Cables
67
Figure 7-5 the Wiring Diagram for the Capacitance Manometer Cable
68
Table 7-4 Pin out of the 9 Pin D-Sub Connector on CM Module
68
8 Connecting Relay and Analog Outputs
69
Connecting 937B Relay Outputs
69
Pin out for the 937B Relay Output
69
Table 8-1 Pin out for the 937B Relay Output
69
Proper Setting of a Relay
70
Figure 8-1 Definition of the Parameters Used for Relay Control
70
Relay Inductive Loads and Arc Suppression
71
Connecting the 937B Analog Output
71
Figure 8-2 the Relay Arc Suppression Network
71
Buffered Analog Output
72
Table 8-2 Pin out for 937B Analog Output
72
Table 8-3 Buffered Analog Output When Sensor Power Is off
72
Figure 8-3 Buffered Analog Output for Cold Cathode Gauges (421/422/423) in N
73
Table 8-4 Buffered Analog Output for the Cold Cathode Gauges (421/422/423) in N
74
Figure 8-4 Buffered Analog Output for Hot Cathode Gauges; same as the Logarithmic Analog Output
75
Figure 8-5 Buffered Analog Output for a 345 Pirani Gauge
76
Table 8-6 Buffered Analog Output for the 315/345 Pirani Sensors
77
Table 8-7 Equations for the 315/345 Pirani Sensors
78
Figure 8-6 Buffered Analog Output for the 317 Convection Pirani Gauge
79
Table 8-8 Buffered Analog Output for the 317 Convection Pirani Sensor
80
Table 8-9 Equations for the 317 Convection Pirani Sensor
81
Logarithmic/Linear and Combination Analog Output
82
Figure 8-7 Buffered Analog Output for Capacitance Manometers
82
Logarithmic/Linear Analog Output
83
Combination Analog Output
83
Figure 8-8 Setup Screen for Setting Combination Channel Parameters
84
Logarithmic/Linear Analog Output When the Gauge Power Is Turned off
85
9 RS232/485 Serial Communication Commands
86
Communication Protocols
86
Table 9-1 937B Serial Communication Wiring Diagram
86
Table 9-2 937B Serial Communication Command Protocol
86
Pressure Reading Commands
87
Table 9-3 937B Pressure Reading Commands
87
Relay and Control Setting Commands
88
Table 9-4 937B Relay and Control Serial Setting Commands
88
Capacitance Manometer Control Commands
89
Pirani and Convection Pirani Control Commands
89
Table 9-5 937B Capacitance Manometer Serial Commands
89
Table 9-6 937B Pirani and Convection Pirani Control Commands
89
Cold and Hot Cathode Control Commands
90
Table 9-7 937B Cold and Hot Cathode Control Commands
90
MFC Control Commands
91
Pressure (Valve) Control Commands
92
Table 9-8 937B MFC Serial Control Commands
92
Table 9-9 937B Pressure (Valve) Serial Control Commands
92
System Commands
94
Table 9-10 937B System Commands
95
Table 9-11 937B Serial Communication Error Codes
95
10 Emulated Operation and RS232/485 Serial Communication Commands
96
Operating the 937B Controller in 937A Emulated Operation Mode
96
Table 10-1 Description of Pin Assignment for Adapting 937A 15 Pin Connector to 937B 25 Pin Connector for Relay Output
96
Communication Protocols
98
Table 10-4 937B Serial Communication Wire Diagram
98
Table 10-5 the 937A Serial Communication Command Protocol
98
Pressure Reading Commands
99
Table 10-6 937A Pressure Reading Serial Commands
99
Relay and Control Setting Commands
100
Cold Cathode Control Commands
100
Table 10-7 the 937A Relay and Control Setting Commands
100
Table 10-8 the 937A Cold Cathode Control Commands
100
User Calibration Commands
101
System Commands
101
Table 10-9 937A User Calibration Commands
101
Table 10-10 937A System Commands
101
ASCII Character Table
102
Table 10-11 ASCII Character Table
102
11 Maintenance of Series 937B Controller Modules
103
Removing and Installing a Sensor Module
103
Removing and Installing AIO Module
104
Figure 11-1 Instructions for Removing AIO Module
104
Communication Module
105
Power Supply
105
Figure 11-2 Instruction for Connecting Wire on the Back of the Power Cord Receptor
105
Mounting the 937B Controller
106
Mounting a Single 937B Controller into a 19" Rack (HPS Part # 100005651)
106
Figure 11-3 the 937B Controller Power Supply
106
Mounting the 937B Controller with Another ½ Rack Instrument
107
AC Power Cord
107
12 Maintenance and Service of HPS Vacuum Sensors
108
Cold Cathode Sensor
108
Cold Cathode Theory
108
Maintenance of Series 421/422 Cold Cathode Sensor
109
Figure 12-1 a Comparison of Inverted Magnetron (Left) and Penning (Right) Cold Cathode Gauges.108 Figure 12-2 Electron Orbits and Ion Production in an Inverted Magnetron
109
Figure 12-3 an Exploded View of the 421/422 Cold Cathode Gauge Assembly
110
Maintenance of Series 423 I-MAG Cold Cathode Sensor
112
Connecting the I-MAG Sensor
112
Disassembling the I-MAG Sensor
112
Figure 12-4 an Exploded View of the Series 423 I-MAG Cold Cathode Gauge Sensor
113
Cleaning the I-MAG Sensor
114
Assembling the I-MAG Sensor
115
Preparing the Sensor for Bakeout
116
Maintenance of Low Power Nude and Mini BA Hot Cathode Sensors
116
Hot Cathode Theory
116
Figure 12-5 BA Gauge Structure and Electron Process Inside the Gauge
116
Cleaning the Hot Cathode Sensor
117
Testing the Hot Cathode Sensor
117
Table 12-1 Resistance Readings of a Normal HC Sensor
117
Maintenance of Pirani Sensors
118
Theory of a Pirani Pressure Sensor
118
Figure 12-6 Filament Pin Locator for LPN and Mini BA Gauges
118
Figure 12-7 Schematic of a Pirani Thermal Conductivity Sensor
118
Cleaning the Series 345 Sensor
119
Figure 12-8 Natural Convection Heater Transfer in Horizontal (Left) and Vertical (Right) Sensor Tubes
119
Cleaning the Series 317 Sensor
120
Table 12-2 Bridge Resistance Value for a Normal 345 Pirani Sensor
120
Maintenance of Capacitance Manometer
121
Theory of a Capacitance Manometer
121
Figure 12-9 Exploded View of a MKS Capacitance Manometer Sensor
121
Table 12-3 Resistance Values for a Normal 317 Convection Enhanced Pirani Sensor
121
Repairing the Baratron™ Capacitance Manometer
122
13 Spare Parts and Accessories
123
14 Appendix
126
Hot Cathode Gauge Gas Correction Factors
126
MFC Gas Conversion Factors for Selected Gases
129
15 Product Warranty
131
Advertisement
MKS 937B Series Operation And Maintenance Manual (120 pages)
High Vacuum Multi-Sensor System
Brand:
MKS
| Category:
Controller
| Size: 4 MB
Table of Contents
Table of Contents
2
Package Contents
7
Safety Information
8
Symbols Used in this Manual and Their Definitions
8
Safety Precautions
8
Safety Procedures and Precautions
8
Specifications
10
Controller
10
Sensors
12
Controller Display Messages
16
Feature, Control Locations and Dimensions
17
Figure 3-1 937B Front Panel
17
Figure 3-2 937B Rear Panel
17
Figure 3-3 937B External Dimensions (Inches)
18
Typical Applications for the Series 937B Controller
19
HPS Products Series 937B Multi-Sensor High Vacuum System
20
Figure 5-1 937B Front View
20
Operating the Series 937B Controller
22
Power
22
Front Panel Control Lock
22
Front Panel Display
22
Standard Front Panel Display
22
Figure 6-1 Standard 937B LCD Front Panel Display for Pressure Measurement under Leak Detection Mode
22
Large Font Displays
23
System Setup
24
Overview of 937B System Setup
24
Figure 6-2 a Comparison between Standard Display Mode and Large Font Display Mode for the 937B LCD Display During Pressure Measurement
24
Figure 6-3 937B System Setup Parameters, Their Default Values and Ranges
24
Display System Setup Parameters
25
Change and Save a Parameter Value
25
Figure 6-4 System Setup Information Displayed on 937B LCD Screen
25
Description of the System Setup Parameters
26
Figure 6-5 Setting DAC Logarithmic and Linear Analog Output
28
Table 6-1 Valid Gauges for Autozeroing Capacitance Manometers of Different Ranges
28
Figure 6-6 System Firmware and Serial Number Information Displayed on 937B LCD Screen
29
Channel Setup for Pressure Measurement
30
Overview of 937B Channel Setup
30
Setup for a Capacitance Manometer
32
Setup for a PR (Pirani)/Cp (Convection Pirani) Sensor
34
Setup a Cold Cathode Sensor
37
Setup a Hot Cathode Sensor
40
Figure 6-11 Hot Cathode Setup Information Displayed on 937B LCD Screen
41
Table 6-2 Relative Ionization Correction Factor to N2 for Different Gases
41
Power Control of a Pressure Sensor
43
Power (Including Degas) Control of a Sensor Using Front Panel Control Button
43
Power (Including Degas) Control of a Sensor Via 37 Pin AIO Dsub Connector
44
Power (Including Degas) Control of a Sensor Using Serial Communication Commands.45
45
Leak Test Using the 937B Controller
45
Leak Test Principle Applied for the 937B
45
Table 6-3 Pin out for Ion Gauge Remote Control
45
Procedures for a Leak Test with the 937B
46
Installing Vacuum Sensors
48
Installing Cold Cathode Sensors
48
Locating a Cold Cathode Sensor
48
Orienting a Cold Cathode Sensor
48
Managing Contamination in a Cold Cathode Sensor
48
Connecting the Series 421/422 Sensor
48
Connecting the 423 I-MAG Sensor
49
Installing Hot Cathode Sensors
49
Locating a Hot Cathode Sensor
49
Preventing Contamination in a Hot Cathode Sensor
49
Orienting a Hot Cathode Sensor
49
Connecting a Hot Cathode Sensor to the Vacuum System
49
Connecting a Hot Cathode Sensor to the 937B Controller
50
Figure 7-1 13 Pin D-Sub Connector on the Back of 937B HC Board
50
Table 7-1 Hot Cathode Connector Pin out
50
Figure 7-2 LPN Gauge Cable Diagram
51
Figure 7-3 Mini BA Gauge Cable Diagram
51
Table 7-2 Pin Assignment for HC Sensor Type Identification
51
Installing Pirani Sensors
52
Locating a Pirani Sensor
52
Preventing Contamination in a Pirani Sensor
52
Orienting the Series 317 Pirani Sensor
52
Orienting the Series 345 Pirani Sensor
52
Connecting the Series 317/345 Sensors
52
Figure 7-4 317/345 Cable Diagram
53
Table 7-3 Pin out for 317/345 Cables
53
Preparing the 317 Sensor for Bakeout
54
Capacitance Manometers - MKS Baratron
54
Installing a Baratron Capacitance Manometer
54
Connecting a Baratron™ Capacitance Manometer
54
Table 7-4 Pin out of the 9 Pin D-Sub Connector on CM Module
54
Figure 7-5 the Wiring Diagram for the Capacitance Manometer Cable
55
Connecting Relay and Analog Outputs
56
Connecting 937B Relay Outputs
56
Pin out for the 937B Relay Output
56
Table 8-1 Pin out for the 937B Relay Output
56
Proper Setting of a Relay
57
Figure 8-1 Definition of the Parameters Used for Relay Control
57
Relay Inductive Loads and Arc Suppression
58
Connecting the 937B Analog Output
58
Figure 8-2 the Relay Arc Suppression Network
58
Buffered Analog Output
59
Table 8-2 Pin out for 937B Analog Output
59
Table 8-3 Buffered Analog Output When Sensor Power Is off
59
Figure 8-3 Buffered Analog Output for Cold Cathode Gauges (421/422/423) in N
60
Table 8-4 Buffered Analog Output for the Cold Cathode Gauges (421/422/423) in N
61
Table 8-5 Equations for Cold Cathode Gauges (N ) Raw Analog Output
61
Figure 8-4 Buffered Analog Output for Hot Cathode Gauges; same as the Logarithmic Analog Output
62
Figure 8-5 Buffered Analog Output for a 345 Pirani Gauge
63
Table 8-6 Buffered Analog Output for the 315/345 Pirani Sensors
64
Table 8-7 Equations for the 315/345 Pirani Sensors
65
Figure 8-6 Buffered Analog Output for the 317 Convection Pirani Gauge
66
Table 8-8 Buffered Analog Output for the 317 Convection Pirani Sensor
67
Table 8-9 Equations for the 317 Convection Pirani Sensor
68
Logarithmic/Linear and Combination Analog Output
69
Figure 8-7 Buffered Analog Output for Capacitance Manometers
69
Logarithmic/Linear Analog Output
70
Combination Analog Output
70
Figure 8-8 Setup Screen for Setting Combination Channel Parameters
71
Logarithmic/Linear Analog Output When the Gauge Power Is Turned off
72
RS232/485 Serial Communication Commands
73
Communication Protocols
73
Table 9-1 937B Serial Communication Wiring Diagram
73
Table 9-2 937B Serial Communication Command Protocol
73
Pressure Reading Commands
74
Table 9-3 937B Pressure Reading Commands
74
Relay and Control Setting Commands
75
Table 9-4 937B Relay and Control Serial Setting Commands
75
Capacitance Manometer Control Commands
76
Pirani and Convection Pirani Control Commands
76
Table 9-5 937B Capacitance Manometer Serial Commands
76
Table 9-6 937B Pirani and Convection Pirani Control Commands
76
Cold Cathode Control Commands
77
Table 9-7 937B Cold and Hot Cathode Control Commands
77
Hot Cathode Control Commands
78
Table 9-8 937B Cold and Hot Cathode Control Commands
78
System Commands
79
Error Code
80
Table 9-13 937B System Commands
80
Table 9-14 937B Serial Communication Error Codes
80
Profibus Communication Protocol and Commands
81
Electrical Connections
81
Profibus GSD Protocol
81
Table 9-15 937B Profibus Electrical Connections
81
Table 9-16 937B Profibus Command List
82
Profibus Output Buffer Map
83
Table 9-17 937B Profibus Output Buffer Map
84
Profibus Input Buffer Map
85
Table 9-18 937B Profibus Input Buffer Map
87
Emulated Operation and RS232/485 Serial Communication Commands
88
Operating the 937B Controller in 937A Emulated Operation Mode
88
Table 10-1 Description of Pin Assignment for Adapting 937A 15 Pin Connector to 937B 25 Pin Connector for Relay Output
88
Table 10-2 a Description of the Pin Assignments for Adapting the 937A 25 Pin Connector to the 937B
89
Communication Protocols
90
Table 10-4 937B Serial Communication Wire Diagram
90
Table 10-5 the 937A Serial Communication Command Protocol
90
Pressure Reading Commands
91
Table 10-6 937A Pressure Reading Serial Commands
91
Relay and Control Setting Commands
92
Cold Cathode Control Commands
92
Table 10-7 the 937A Relay and Control Setting Commands
92
Table 10-8 the 937A Cold Cathode Control Commands
92
User Calibration Commands
93
System Commands
93
Table 10-9 937A User Calibration Commands
93
Table 10-10 937A System Commands
93
ASCII Character Table
94
Table 10-11 ASCII Character Table
94
Maintenance of Series 937B Controller Modules
95
Removing and Installing a Sensor Module
95
Removing and Installing AIO Module
96
Figure 11-1 Instructions for Removing AIO Module
96
Communication Module
97
Power Supply
97
Figure 11-2 Instruction for Connecting Wire on the Back of the Power Cord Receptor
97
Mounting the 937B Controller
98
Figure 11-3 the 937B Controller Power Supply
98
AC Power Cord
99
Maintenance and Service of HPS Vacuum Sensors
100
Cold Cathode Sensor
100
Cold Cathode Theory
100
Figure 12-1 a Comparison of Inverted Magnetron (Left) and Penning (Right) Cold Cathode Gauges
100
Maintenance of Series 421/422 Cold Cathode Sensor
101
Figure 12-2 Electron Orbits and Ion Production in an Inverted Magnetron
101
Figure 12-3 an Exploded View of the 421/422 Cold Cathode Gauge Assembly
102
Maintenance of Series 423 I-MAG Cold Cathode Sensor
104
Connecting the I-MAG Sensor
104
Disassembling the I-MAG Sensor
104
Figure 12-4 an Exploded View of the Series 423 I-MAG Cold Cathode Gauge Sensor
105
Cleaning the I-MAG Sensor
106
Assembling the I-MAG Sensor
106
Preparing the Sensor for Bakeout
107
Maintenance of Low Power Nude and Mini BA Hot Cathode Sensors
107
Hot Cathode Theory
107
Cleaning the Hot Cathode Sensor
108
Figure 12-5 BA Gauge Structure and Electron Process Inside the Gauge
108
Testing the Hot Cathode Sensor
109
Maintenance of Pirani Sensors
109
Theory of a Pirani Pressure Sensor
109
Figure 12-6 Filament Pin Locator for LPN and Mini BA Gauges
109
Table 12-1 Resistance Readings of a Normal HC Sensor
109
Cleaning the Series 345 Sensor
110
Figure 12-7 Schematic of a Pirani Thermal Conductivity Sensor
110
Figure 12-8 Natural Convection Heater Transfer in Horizontal (Left) and Vertical (Right) Sensor Tubes
110
Cleaning the Series 317 Sensor
111
Table 12-2 Bridge Resistance Value for a Normal 345 Pirani Sensor
111
Maintenance of Capacitance Manometer
112
Theory of a Capacitance Manometer
112
Figure 12-9 Exploded View of a MKS Capacitance Manometer Sensor
112
Table 12-3 Resistance Values for a Normal 317 Convection Enhanced Pirani Sensor
112
Repairing the Baratron™ Capacitance Manometer
113
Spare Parts and Accessories
114
Appendix
117
Hot Cathode Gauge Gas Correction Factors
117
Product Warranty
120
MKS 937B Series Operation And Maintenance Manual (106 pages)
Vacuum System Controller
Brand:
MKS
| Category:
Controller
| Size: 3 MB
Table of Contents
Table of Contents
2
Safety Information
5
Symbols Used in this Manual and Their Definitions
5
Safety Precautions
5
Specifications
7
Controller
7
Pressure Sensors
9
Controller Display
13
Display Message
13
Display Resolutions
14
Serial Communication Response Format
15
Feature, Control Locations and Dimensions
16
Typical Applications for the Series 937B Controller
18
MKS Series 937B Vacuum System Controller
19
Operating the Series 937B Controller
21
Power
21
Front Panel Control Lock
21
Front Panel Display
21
Standard Front Panel Display
21
Large Font Display
22
System Setup
23
Overview of 937B System Setup
23
Display System Setup Parameters
23
Change and Save a Parameter Value
24
Description of the System Setup Parameters
25
Channel Setup for Pressure Measurement
28
Overview of 937B Channel Setup
28
Setup for a Capacitance Manometer
30
Setup for a CP (Convection Pirani), Convectron, or PR Sensor
32
Setup a Cold Cathode Sensor
35
Setup a Hot Cathode Sensor
38
Power Control of a Pressure Sensor
42
Power (Including Degas) Control of a Sensor Using Front Panel Control Button
42
Power (Including Degas) Control of a Sensor Via 37 Pin AIO D-Sub Connector
43
Power (Including Degas) Control of a Sensor Using Serial Communication Commands
44
Procedures for a Leak Test with the 937B
44
Installing Vacuum Sensors
46
Over Pressure Conditions
46
Installing Cold Cathode Sensors
46
Locating a Cold Cathode Sensor
46
Orienting a Cold Cathode Sensor
46
Managing Contamination in a Cold Cathode Sensor
47
Connecting the Series 431/422 Sensor
47
Connecting the 423 I-Mag Sensor
47
Installing Hot Cathode Sensors
47
Locating a Hot Cathode Sensor
47
Preventing Contamination in a Hot Cathode Sensor
47
Orienting a Hot Cathode Sensor
47
Connecting a Hot Cathode Sensor to the Vacuum System
48
Connecting a Hot Cathode Sensor to the 937B Controller
48
Installing Convection Pirani, Convectron, or Pirani Sensors
49
Locating the Sensor
49
Preventing Contamination in a Pirani Sensor
49
Orienting the Series 317Convection Pirani or Convectron Sensor
49
Orienting the Series 345 Pirani Sensor
50
Connecting Convection Pirani, Convectron, or Pirani Sensors
50
Preparing the 317 Sensor for Bakeout
51
Installing Capacitance Manometers - MKS Baratron
51
Installing a Capacitance Manometer
51
Connecting a Capacitance Manometer
51
Series 902B Piezo
52
Connecting Relay and Analog Outputs
53
Connecting 937B Relay Outputs
53
Pin out for the 937B Relay Output
53
Proper Setting of a Relay
54
Relay Inductive Loads and Arc Suppression
55
Connecting the 937B Analog Output
55
Buffered Analog Output
56
Logarithmic/Linear and Combination Analog Output
67
Logarithmic/Linear Analog Output
67
Combination Analog Output
67
Logarithmic/Linear Analog Output When the Sensor Power Is Turned off
69
RS232/485 Serial Communication Commands
70
Serial Communication Wiring Diagram
70
Communication Protocols
70
Pressure Reading Commands
71
Relay and Control Setting Commands
72
Capacitance Manometer Control Commands
73
Convection Pirani, Convectron and Pirani Control Commands
73
Cold Cathode Control Commands
74
Hot Cathode Control Commands
75
System Commands
76
Error Codes
78
Profibus Communication Protocol and Commands
79
PROFIBUS Output Buffer Map
81
Maintenance of Series 937B Controller Modules
86
Removing and Installing a Sensor Module
86
Removing and Installing AIO Module
87
Removing and Installing Profibus Control Module
88
Mounting the Controller
89
AC Power Cord
90
Maintenance and Service of MKS Vacuum Sensors
91
422, 423 and 431 Cold Cathode Sensors
91
Maintenance of Series 431/422 Cold Cathode Sensor
92
Disassemble the Series 431/422 Sensor
92
Cleaning the Series 431/422 Sensor
94
Assemble the Series 431/422 Sensor
94
Preparing the Sensor for Bakeout
95
Testing a Cold Cathode Sensor
95
Maintenance of Series 423 I-Mag Cold Cathode Sensor
95
Disassemble the I-Mag Sensor
95
Clean the I-Mag Sensor
97
Assemble the I-Mag Sensor
97
Preparing the Sensor for Bakeout
98
Maintenance of Low Power Nude and Mini BA Hot Cathode Sensors
98
Hot Cathode Theory
98
Cleaning the Hot Cathode Sensor
99
Testing the Hot Cathode Sensor
99
Maintenance of a Pirani Sensor
100
Theory of a Pirani Pressure Sensor
100
Cleaning the Series 345 Sensor
101
Testing the Series 345 Sensor
101
Cleaning the Series 317 Sensor
102
Testing the Series 317 Sensor
102
Testing the Series 275 Convectron Sensor
102
Maintenance of a Capacitance Manometer
103
Theory of a Capacitance Manometer
103
Repairing the Baratron Capacitance Manometer
103
Spare Parts and Accessories
104
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