METRON QA-90

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Microprocessor System Schematic Diagram Part 6 (Series and Keypad Interface)

DESCRIPTION

DRAW CAT.

DRAW NO.

PAGE

DATEPRODUCT

QA-90

METRON

Series and Keypad Interface

Schematic diagram, Part 6

E160.20.1300.U1

15.03.1994

6 of 6

Main Page

Table of Contents3
Manual Revision Record5
Introduction7
Features7
Specifications7
General Information9
Installation11
Receipt, Inspection and Return11
Setup12
Power12
PRO-Soft QA-9012
Control Switches and Connections15
Key Pad Functions17
Function of the Bar Code Reader17
Menu and Function Keys18
Display Menus and Messages18
Measurements with Several Modules in Manual Mode24
Storing Setup Parame- Ters in Flash Memory25
Cleaning the QA-9029
Example Test Measurements31
Test Lead Calibration31
Connecting an Instrument Without Patient Inputs32
Connecting an Instrument with Patient Inputs33
Power Cable Test36
Current Measurement Test (Dual Lead)37
Voltage Measurement Test (Dual Lead)39
Resistance Measurement (Dual Lead)41
Connecting Auxiliary Power Source / Isolating Transformer42
Control and Calibration45
Required Test Equipment45
Preparation and Adjustments45
Calibration49
Other Calibration Procedures55
Calibration Constants58
Component Functions and Parts61
Theory of Operation61
Measuring System62
Microprocessor System63
Component Parts64
Appendix A: Iec 601.1, Ul 2601.1 and Vde 0751 Testing69
Classification of Equipment69
Tests on Mains Powered Class 1 & 2 Equipment According to IEC 601.1/UL 2601.172
Tests on Internally Powered Equipment According to IEC 601.1/UL 2601.181
System Tests Based on IEC 601.1/UL 2601.183
Tests According to VDE 0751-1, 10/199084
Appendix B: Diagrams87
Mains & EUT Connections Schematic Diagram89
Measuring Board Component Location Layer 190
Measuring Board Component Location, Layer 190
Measuring Board Component Location Layer 291
Measuring Board Component Location, Layer 291
Measuring System Schematic Diagram Part 1 (Measuring Preparation92
Measuring System Schematic Diagram Part 2 (High Voltage Interface93
Measuring System Schematic Diagram Part 3 (High Voltage Logic94
Measuring System Schematic Diagram Part 4 (High Voltage Drivers95
Measuring System Schematic Diagram Part 5 (Applied Part Matrix96
Measuring System Schematic Diagram Part 6 (Measurement Matrix97
Measuring System Schematic Diagram Part 7 (Program Amplifier and Lowpass98
Measuring System Schematic Diagram Part 8 (Relay Drivers99
Microprocessor Board Component Location100
Keypad Board Component Location101
Microprocessor System Schematic Diagram Part 1102
Microprocessor System Schematic Diagram Part 2 (Integrated Keypad103
Microprocessor System Schematic Diagram Part 3 (CPU104
Microprocessor System Schematic Diagram Part 4 (CPU105
Microprocessor System Schematic Diagram Part 5 (Printer and Display Interface106
Microprocessor System Schematic Diagram Part 6 (Series and Keypad Interface107
Appendix C: Error Report Form109
Appendix D: Suggestion Form111

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