TÀI LIỆU MANUAL - Woodward CPC II 26615 (9907 - 1228)



Product Manual 26615 (Revision R, 8/2020) Original Instructions - CPC-II Current-to-Pressure Converter with Enhanced Dynamics - Installation and Operation Manual .


The Woodward CPC-II (Current-to-Pressure Converter,version II, enhanced dynamics) is intended for positioning steam and/or fuel valves and/or associated servo systems. The CPC-II supplies a precise and stable hydraulic control pressure proportional to the (4 to 20) mA input current signal. 

In addition to accurate pressure control, the CPC-II is designed for easy mounting and servicing. The manifold mounted housing can be mounted directly tothe hydraulic adapter/manifold. 

For severe applications, or those with safety requirements, fully redundant CPC-II models are available. When used in a dual-redundant arrangement, the Slave CPC-II will take control if it detects that a fault has occurred in the Master. In this situation, Discrete Output 2 will change state to "In Control".



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CONTENTS:


WARNINGS AND NOTICES.............................................................................................................. 5

ELECTROSTATIC DISCHARGE AWARENESS.................................................................................... 6

REGULATORY COMPLIANCE.......................................................................................................... 7

CHAPTER 1. GENERAL INFORMATION........................................................................................... 10

Introduction.................................................................................................................................................. 10

CHAPTER 2. SPECIFICATIONS...................................................................................................... 15

Performance ................................................................................................................................................ 16

CHAPTER 3. INSTALLATION......................................................................................................... 23

Receiving Instructions .................................................................................................................................  23

Unpacking Instructions ................................................................................................................................ 23

Mounting Instructions ..................................................................................................................................  24

Hydraulic Connections ................................................................................................................................ 25

Electrical Connections .................................................................................................................................  26

CHAPTER 4. INSTALLING AND RUNNING THE PC SERVICE TOOL.................................................... 36

Making the Hardware Connection ............................................................................................................... 36

Locating and Installing the CPC-II Service Tool ......................................................................................... 37

System Display Scaling ............................................................................................................................... 37

CD Program Installation .............................................................................................................................. 38

Running the CPC-II Service Tool ................................................................................................................ 42

CHAPTER 5. USING THE PC MONITORING TOOL FOR PERFORMANCE ASSESSMENT AND TUNING.... 44

Introduction.................................................................................................................................................. 44

Common Header ......................................................................................................................................... 46

Home ........................................................................................................................................................... 47

PC Service Tool Overview Screen .............................................................................................................. 48

Performance Trend and Manual Operation ................................................................................................ 49

Redundancy Overview ................................................................................................................................ 52

Analog Input Settings ..................................................................................................................................  55

Analog and Discrete Output Settings .......................................................................................................... 57

Pressure Demand Linearization Settings .................................................................................................... 59

Detailed Diagnostics ...................................................................................................................................  60

CHAPTER 6. CONFIGURING THE CPC-II USING THE PC SERVICE TOOL.......................................... 65

Introduction.................................................................................................................................................. 65

Dynamic Performance Settings................................................................................................................... 66

Configure Redundancy ............................................................................................................................... 68

Analog Input Configuration.......................................................................................................................... 71

Analog and Discrete Output Configuration ................................................................................................. 73

Pressure Demand Linearization Settings .................................................................................................... 74

Configure Alarms and Shutdowns .............................................................................................................. 76

Dynamic Adjustments and Calibration ........................................................................................................ 80

CHAPTER 7. REPAIR AND TROUBLESHOOTING.............................................................................. 85

General ........................................................................................................................................................ 85

Return for Repair Instruction ....................................................................................................................... 85

Protective Packaging .................................................................................................................................. 85

Troubleshooting .......................................................................................................................................... 85

CHAPTER 8. REPLACING OLDER CPCS AND NON-WOODWARD CONVERTERS WITH THE NEW CPCII ............................................................................................................................................... 88

CHAPTER 9. PRODUCT SUPPORT AND SERVICE OPTIONS............................................................. 89

Product Support Options ............................................................................................................................. 89

Released

Manual 26615  CPC-II Current-to-Pressure Converter /Enhanced Dynamics 

Woodward  2 

Product Service Options ............................................................................................................................. 89

Returning Equipment for Repair ................................................................................................................. 90

Replacement Parts ......................................................................................................................................  91

Engineering Services .................................................................................................................................. 91

Contacting Woodward’s Support Organization ........................................................................................... 91

Technical Assistance .................................................................................................................................. 92

CHAPTER 10. ASSET MANAGEMENT AND REFURBISHMENT SCHEDULING PERIOD.......................... 93

CHAPTER 11. LONG-TERM STORAGE REQUIREMENTS.................................................................. 94

REVISION HISTORY..................................................................................................................... 95

DECLARATIONS.......................................................................................................................... 97





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Construction 


The main elements of the CPC-II include: 

• Housing 

• Rotary 3-way Hydraulic Valve 

• Brushless Limited Angle Rotary Actuator 

• Electronic PCB Assembly 

• Pressure Sensor 



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