Measurement-computing DAC488 v.1 Manuel d'utilisateur Page 55
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DAC488 User’s Manual DAC488 Calibration 49
Part III: Automatic Calibration Report
After the automatic calibration finishes, a calibration report will be printed if the DAC488 is connected to
an IEEE printer. The following example shows the calibration report of the three volt ranges for Port 1:
DAC488/4 Performance Verification Port # 1
Nominal Actual Error Result Nominal Actual Error Result
10.0000 10.0000 0.0000 Pass -10.0000 -10.0000 0.0000 Pass
9.0000 8.9979 0.0021 Pass -9.0000 -8.9976 0.0024 Pass
8.0000 7.9997 0.0003 Pass -8.0000 -7.9994 0.0006 Pass
7.0000 7.0003 0.0003 Pass -7.0000 -7.0001 0.0001 Pass
6.0000 6.0011 0.0010 Pass -6.0000 -6.0009 0.0009 Pass
5.0000 4.9999 0.0001 Pass -5.0000 -4.9997 0.0003 Pass
4.0000 4.0004 0.0004 Pass -4.0000 -4.0002 0.0002 Pass
3.0000 2.9998 0.0003 Pass -3.0000 -2.9996 0.0004 Pass
2.0000 2.0005 0.0005 Pass -2.0000 -2.0004 0.0004 Pass
1.0000 0.9993 0.0007 Pass -1.0000 -0.9992 0.0008 Pass
0.0000 0.0000 0.0000 Pass -0.0000 -0.0000 0.0000 Pass
5.0000 5.0000 0.0000 Pass -5.0000 -5.0000 0.0000 Pass
4.5000 4.4989 0.0011 Pass -4.5000 -4.4988 0.0012 Pass
4.0000 3.9998 0.0003 Pass -4.0000 -3.9997 0.0003 Pass
3.5000 3.5002 0.0002 Pass -3.5000 -3.5001 0.0001 Pass
3.0000 3.0005 0.0005 Pass -3.0000 -3.0005 0.0005 Pass
2.5000 2.4999 0.0001 Pass -2.5000 -2.4999 0.0001 Pass
2.0000 2.0001 0.0001 Pass -2.0000 -2.0002 0.0002 Pass
1.5000 1.4999 0.0001 Pass -1.5000 -1.4998 0.0002 Pass
1.0000 1.0002 0.0002 Pass -1.0000 -1.0002 0.0002 Pass
0.5000 0.4996 0.0004 Pass -0.5000 -0.4996 0.0004 Pass
0.0000 0.0000 0.0000 Pass -0.0000 -0.0000 0.0000 Pass
1.0000 1.0001 0.0001 Pass -1.0000 -1.0000 0.0000 Pass
0.9000 0.8998 0.0002 Pass -0.9000 -0.8997 0.0003 Pass
0.8000 0.8000 0.0000 Pass -0.8000 -0.7999 0.0001 Pass
0.7000 0.7001 0.0001 Pass -0.7000 -0.7000 0.0000 Pass
0.6000 0.6001 0.0001 Pass -0.6000 -0.6000 0.0000 Pass
0.5000 0.5000 0.0000 Pass -0.5000 -0.4999 0.0001 Pass
0.4000 0.4001 0.0001 Pass -0.4000 -0.3999 0.0001 Pass
0.3000 0.3000 0.0000 Pass -0.3000 -0.2998 0.0002 Pass
0.2000 0.1995 0.0005 Pass -0.2000 -0.1993 0.0007 Pass
0.1000 0.0997 0.0003 Pass -0.1000 -0.0995 0.0005 Pass
0.0000 0.0000 0.0000 Pass -0.0000 -0.0000 0.0000 Pass
Automatic Calibration Report Format
A report similar to the one above will be printed for all four ports. A description of each item in the auto-
calibration report is given below:
• Nominal: The voltage the DAC was programmed to output.
• Actual: The actual voltage measured by the DMM.
• Error: The difference between the Nominal and the Actual values.
• Result: Indicates Pass if the port is functioning within the stated specifications.
- User's Manual 1
- Introduction to this Manual 3
- Table of Contents 4
- 7 - DAC488 Commands 5
- 8 - Troubleshooting 5
- A - Appendix 5
- DAC488 Overview 1 7
- Accessories 8
- Specifications 8
- DAC488 Setup 2 11
- Hardware Setup 12
- Default Settings 13
- Mode Selection 13
- Analog Output Ports 13
- Digital I/O Port 14
- DAC488 Power & Assembly 3 19
- Rack Mount 23
- Bench Top 23
- Power-Up Activation 24
- CAUTIONCAUTION 24
- Programming Examples 25
- Performance Verification 26
- DAC488 Operation 4 29
- Port Triggering 30
- Internal Buffer 32
- Control Modes 34
- Waveform Control Mode 35
- Multiple Port Synchronization 36
- User-Defined System Defaults 39
- IEEE 488 Bus Support 39
- Bus Commands 40
- Bus Addresses 40
- Bus Terminators 40
- IEEE 488 Background 5 41
- Bus Lines & Bus Commands 42
- Handshake Lines 43
- Data Transfer Lines 43
- Bus Command Groups 44
- More On Service Requests 45
- DAC488 Calibration 6 47
- Manual Calibration Procedure 48
- BASIC Calibration Program 49
- DAC488 Commands 7 57
- Command Groups 59
- Command Summary 60
- Command Reference 63
- @ - Trigger On Command 64
- A - Autorange 65
- B - Buffer Data 66
- C - Control Mode 67
- D - Digital Output 69
- E? - Query Error Status 70
- F - Buffer Definition 72
- G - GET Trigger Mask 73
- H - Offset Calibration 74
- I - Interval 75
- J - Gain Calibration 76
- K - End-Or-Identify Control 77
- L - Buffer Location 78
- M - Service Request Mask 79
- N - Number of Cycles 80
- O - Output Format 81
- P - Port Select 82
- Q - External Trigger Mask 83
- R - Range Select 84
- S - System Defaults 85
- T - Command Trigger Mask 86
- U - User Status 87
- V - Value Output 90
- W - Test 91
- X - Execute 92
- Y - Bus Terminator 93
- ? - Query 94
- Serial Poll Status Byte 95
- Troubleshooting 8 97
- Query Error Status 98
- Appendix A 99
- IEEE 488 Bus Commands 100
- ASCII Codes 101
- ASCII Code Details 103
- Decimal Values 32 to 63 – LAG 105
- Decimal Values 64 to 95 – TAG 106
- Abbreviations 112
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