Fluke 2680A Service Manual page 14

268XA
Service Manual
1-37. DIGITAL I/O Specification................................................................................... 1-29
1-38. Totalizer Specification ........................................................................................... 1-30
1-39. DIGITAL I/O Relay Specification......................................................................... 1-30
1-40. Models, Options and Accessories .......................................................................... 1-31
2-1. Contoller Connector Description ........................................................................... 2-4
2-2. Backplane Connector Description ......................................................................... 2-10
2-3. Range of Buffer Amplifier..................................................................................... 2-19
2-4. Measurement Matrix for DC Volts ........................................................................ 2-20
2-5. Measurement Matrix for Ohms.............................................................................. 2-21
2-6. Measurement Matrix for AC Volts ........................................................................ 2-22
2-7. Analog/Digital Converter Measurement Cycle...................................................... 2-25
2-8. Tree Bits................................................................................................................. 2-34
2-9. Channel Bits........................................................................................................... 2-35
2-10. Tree and Channel Switch Settling Times............................................................... 2-35
2-11. Function Relays ..................................................................................................... 2-36
2-12. Function Relay Settling Time ................................................................................ 2-36
2-13. Stallion Switch Settings ......................................................................................... 2-37
2-14. Signal Conditioning Settling Time ........................................................................ 2-38
2-15. A/D Command Codes ............................................................................................ 2-40
2-16. A/D Readings to Average to Obtain a Measurement............................................. 2-42
2-17. Frequency Sensitivity............................................................................................. 2-44
2-18. A/D Reading to Average to Obtain a Reference Balance Measurement ............... 2-46
3-1. Self-Test Codes...................................................................................................... 3-4
4-1. Recommended Test Equipment ............................................................................. 4-4
5-1. RS-232 Device Configuration for Calibration Procedures .................................... 5-6
5-2. Calibration Commands .......................................................................................... 5-9
5-3. Manual Calibration Command Responses............................................................. 5-10
5-4. Manual V dc Calibration........................................................................................ 5-11
5-5. Manual V ac Calibration........................................................................................ 5-13
5-6. Manual Resistance Calibration .............................................................................. 5-15
5-7. Manual Frequency Calibration .............................................................................. 5-15
6-1. Self-Test Error Codes ............................................................................................ 6-5
6-2. FLASH ROM Parameter Defaults ......................................................................... 6-7
6-3. Corrective Action for Background Error Checking............................................... 6-7
6-4. Device Firmware Descriptions .............................................................................. 6-10
6-5. Device Default COMM Parameters....................................................................... 6-11
6-6. Device Configuration............................................................................................. 6-13
6-7. RS-232 Command Set............................................................................................ 6-14
6-8. Range Settings ....................................................................................................... 6-20
6-9. Relating Selftest Errors to Device Problems.......................................................... 6-26
6-10. Hints for Troubleshooting...................................................................................... 6-35
6-11. A2 Display PCA Initialization Routines................................................................ 6-38
6-12. A3 A/D Converter PCA Jumper Positions............................................................. 6-43
6-13. A/D Module Calibration Constants ....................................................................... 6-46
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