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7022-D
Keithley 7022-D Manuals
Manuals and User Guides for Keithley 7022-D. We have
1
Keithley 7022-D manual available for free PDF download: Instruction Manual
Keithley 7022-D Instruction Manual (107 pages)
Matrix-Digital I/O Card
Brand:
Keithley
| Category:
I/O Systems
| Size: 4.58 MB
Table of Contents
Table of Contents
9
1 General Information
17
Introduction
17
Features
17
Warranty Information
18
Manual Addenda
18
Safety Symbols and Terms
18
Specifications
18
Unpacking and Inspection
18
Inspection for Damage
18
Shipping Contents
18
Instruction Manual
18
Repacking for Shipment
19
Optional Accessories
19
2 Matrix Configuration
21
Introduction
21
Basic Matrix Configuration (5 × 6)
21
Typical Matrix Switching Schemes
22
Single-Ended Switching
23
Differential Switching
23
Sensing
24
SMU Connections
24
Matrix Expansion
25
Two-Card Switching Systems
25
Mainframe Matrix Expansion
28
3 Digital I/O Configuration
31
Introduction
31
Digital Outputs
31
Controlling Pull-Up Devices
31
Controlling Devices Using Pull-Up Resistors
32
Digital Inputs
33
4 Card Connections and Installation
35
Introduction
35
Handling Precautions
35
Matrix Connections
36
Backplane Row Jumpers
36
Jumper Removal
36
Jumper Installation
36
Digital I/O Connections
36
Voltage Source Jumper
36
Pull-Up Resistors
37
Configuring Digital I/O Output Logic
38
Configuring Digital I/O Input Pull-Up Resistance
38
Multi-Pin (Mass Termination) Connector Card
39
Table 4-2 Pin Designation Identification
41
Typical Matrix Connection Schemes
45
Single-Card System
45
Two-Card System
46
Two-Mainframe System
48
Typical Digital I/O Connection Schemes
50
Output Connection Schemes
50
Input Connection Scheme
51
Figure 4-18 Digital Input, Monitoring Micro-Switches
51
Model 7022 Installation and Removal
52
Card Installation
52
Card Removal
52
Models 7022-D and 7022-DT
53
Internal Connections
53
Input/Output Connections
53
Figure 4-20 Mating the PC-Boards
53
Figure 4-21 Mating Connector (Solder-Side View)
54
Table 4-3 Terminal Identification
54
5 Operation
55
Introduction
55
Power Limits
55
Analog Matrix Maximum Signal Levels
55
Digital I/O Maximum Signal Levels
55
Mainframe Control of the Card
55
Channel Assignments
56
Figure 5-3 Channel Display Organization
57
Figure 5-4 Model 7022 Programming Channel Assignments
57
Closing and Opening Channels
58
Scanning Channels
58
Reading Input Channels
59
IEEE-488 Bus Operation
59
Matrix Switching Examples
61
Thick Film Resistor Network Testing
61
Figure 5-7 Voltage Divider Checks
63
Transistor Testing
64
Figure 5-8 Transistor Testing
64
Figure 5-9 DC Parameter Checks
65
Measurement Considerations
66
Path Isolation
66
Magnetic Fields
67
Radio Frequency Interference
67
Ground Loops
68
Keeping Connectors Clean
68
AC Frequency Response
68
Figure 5-13 Power Line Ground Loops
68
Figure 5-14 Eliminating Ground Loops
68
6 Service Information
69
Introduction
69
Handling and Cleaning Precautions
69
Performance Verification
70
Environmental Conditions
70
Recommended Equipment
70
Matrix Connections
70
Channel Resistance Tests
71
Offset Current Tests
72
Contact Potential Tests
74
Path Isolation Tests
75
Differential and Common-Mode Isolation Tests
76
Figure 6-6 Differential Isolation Testing
76
Table 6-2 Path Isolation Tests
76
Table 6-3 Differential and Common-Mode Isolation Testing
77
Channel Functionality Test
78
Special Handling of Static-Sensitive Devices
79
Principles of Operation
79
Block Diagram
79
ID Data Circuits
80
Figure 6-10 Start and Stop Sequences
80
Matrix Relay Control
81
Matrix Relay Power Control
81
Digital I/O Output Channel Control
81
Digital I/O Input Channel Control
81
Power-On Safeguard
81
Troubleshooting
82
Troubleshooting Equipment
82
Troubleshooting Access
82
Troubleshooting Procedure
82
7 Replaceable Parts
85
Introduction
85
Parts Lists
85
Ordering Information
85
Factory Service
85
Component Layouts and Schematic Diagrams
86
Table 7-1 Relay Card for Model 7022, Parts List
87
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