Keithley 776 Manuals

Manuals and User Guides for Keithley 776. We have 1 Keithley 776 manual available for free PDF download: Instruction Manual

Keithley 776 Instruction Manual

Keithley 776 Instruction Manual (141 pages)

Programmable Counter/Timer

Brand: Keithley | Category: Cash Counter | Size: 6 MB

Table of Contents

Safety Precautions
5
Table of Contents
7
General Information
11
- Configuration
  12
Warranty Information
12
- Manual Addenda
  12
- Safety Symbols and Terms
  12
Inspection
12
- Specifications
  19
Installation
20
Introduction
20
Performance Checks
20
Power Requirements
20
Grounding Requirements
20
Installation and Mounting
21
Bench Mounting
21
Rack Mounting
21
Portable Use
21
Short Term Storage
21
Long Term Storage or Re-Packaging for Shipment
21
Safety
22
Connectors
25
- Display and Indicators
  25
Rear Panel Familiarization
26
3-3-L Connectors and Terminals
26
Power-Up Procedure
26
Software Reset
27
- Display Messages
  27
3-6-L IEEE-488 Error Messages
27
Control Selection
28
Selecting a Function
29
Selecting Gate and Delay Time
31
Setting Trigger Levels
31
Setting Input Condition Controls
32
Selecting the Number of Displayed Digits
33
Selecting Measurement Rate
33
Arming
34
- Front Panel Arming
  34
- External Arming
  34
Using Auto Trigger Level
35
Using V Peak a
35
Using User Gate
35
Using Delay
36
Using User Delay
36
Using Front Panel Set-Ups
37
- Store Set-Ups
  37
Recall Set-Ups
37
Using the External Reference
37
Changing the GPIB Address
37
- Introduction
  38
Bus Desdription
38
IEEE-488 Bus Lines
39
4-3-L Bus Management Lines
39
4-3-Z Handshake Lines
40
- Data Lines
  40
Interface Function Codes
41
Software Considerations
41
Hardware Considerations
41
Connections
42
Bus Commands
43
- Uniline Commands
  43
- Device-Dependent Command Programming
  46
4-9-L Function (F)
46
Channels A, B Auto Trigger Level (L)
49
- Gate Time (G, GLJ)
  49
Delay Time (W, WU)
50
- Peak Measurement Rate (V)
  50
- Totalize Mode (M)
  50
Ratio Mode (C)
50
Displayed Digits (N)
50
Set-Ups (ST. RE)
50
Triggering (T)
50
Rate (S)
50
Display Modes (D)
51
Reading from Model 776
52
- Terminator
  53
Prefix (X)
54
Front Panel Error Messages
55
ILL ins (Illegal Instruction)
55
ILL PAR (Illegal Parameter)
55
Line Voltage Selection
56
Fuse Replacement
56
Selecting an External Reference
57
Disassembly Instructions
58
Special Handling of Static Sensitive Devices
58
Cleaning
58
Repair and Replacement
58
Performance Checks
59
5-9-L Environmental Conditions
59
- Warm-Up Period
  59
Performance Checks Procedure
59
- Channel C Sensitivity Check
  60
- Ratio A/B Operation
  61
Ratio C/B Operation
62
Time Base Accuracy Check
66
Theory of Operation
68
6-L Introduction
68
Overall Functional Description
68
6-L
68
Analog Circuitry
71
- Input Circuits a and B
  71
Input Circuit C (Option 2.4Ci)
71
- Measurement Logic Section
  79
- Power Supply
  80
Digital Circuitry
80
- CPU Block Diagram
  80
- Memory Mapping
  80
- Address Decoding
  80
- Keyboarddisplay Interface
  80
- IEEE Interface
  80
Adjustments and Troubleshooting
83
Adjustments
83
7-2-L Environmental Conditions
83
7-L
83
- Warm-Up Period
  83
- Recommended Test Equipment
  83
- Adjustment Procedures
  83
- Adjustment Procedure
  85
Input a Xl0 High Frequency Adjustment
85
7-S-L Power Supply Checks
87
Parts List
93
- General
  93
  - Ordering Information
    93
  - Parts Description
    93

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