Vaisala PTB220 Series - Page 84

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USER'S GUIDE_______________________________________________________________________

78 ___________________________________________________________________ M210194EN-A

FIGURE A-3 Configuration with three pressure transducers

FIGURE A-4 Configuration with two pressure transducers and two

pressure ports

Main Page

Default Chapter3
- Table of Contents3
Chapter 1 General Information7
- Safety7
- Warranty8
Chapter 2 Product Description9
- Introduction9
- BAROCAP Pressure Sensor10
- Measurement Principle12
- Block Diagram13
Chapter 3 Getting Started15
Chapter 4 Commissioning17
- Operating Modes18
- Software Settings22
- Hardware Settings39
Chapter 5 Installation43
- Mounting43
- Electrical Connections44
- Grounding46
- Pressure Connections47
Chapter 6 Operating49
- RUN and STOP Modes49
- POLL Mode54
  - SEND Outputting One Single Message54
  - OPEN Setting a Barometer from POLL Mode to STOP Mode55
- SEND Mode56
- PULSE Mode57
- Operating the Local Display and Keyboard57
Chapter 7 Adjustment and Calibration61
- Introduction61
- Offset and Gain Adjustment67
  - LCI Entering Linear Corrections67
- Multipoint Adjustment68
  - MPCI Entering Multipoint Corrections68
- Calibration69
  - CALD Storing the New Date of Calibration70
Chapter 8 Self-Testing and Problem Handling71
- Returning the Serial Communication Parameters71
- Diagnostic Commands72
Chapter 9 Technical Specifications77
- Barometric Pressure77
  - Operating Range77
- Accuracy77
- General78
- Mechanics79
- Electromagnetic Compatibility79
- Options80
- Accessories80
Appendix A Hardware Configurations83
Appendix B Pin Assignments85
Appendix C Rs232C/Ttl Level Serial Interface87
Appendix D Pulse Output Mode89
Appendix E Analog Output93
- Pin Assignment96
Appendix Fmultiple Ptb220 Barometers on Rs232C97
Appendix G Optional Rs485/422 Interface of Ptb220 Barometers93103
Appendix H Serial Interface Commands103
- Commissioning Commands103
- Operating Commands103
- Maintenance Commands104
- Diagnostic Commands104
Appendix Ichecksum105
Appendix Jpressure Tendency107
Appendix K Error Messages108
Appendix Lspecial Emulation Mode109
- Pa11A109
  - P Mode109
  - Automode110
- Setra 470111
Appendix M Pressure Conversion Chart113

Vaisala PTB220 Series - Page 84

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