Hamilton Sundstrand Company Fuel Metering Valves XVG Manuales de usuario

Tabla de contenidos

• PREFACE

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• Table of Contents

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• 1 Serial Communication

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• 2 Baud Rate

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• 3 Parity bit

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• 4 Start and Stop Bits

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• 5 Electrical Interface Standards

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• 6 XVG/eXVG Modbus Communication Default Settings

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• 7 Protocol

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  • 7.1 General Modbus Frame

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  • 7.2 Modbus Transactions

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  • 7.3 Modbus Register Types

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  • 7.4 Modbus Functions

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    • 7.4.1 Read Registers (0x03)

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    • 7.4.2 Write Single Register (0x06)

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    • 7.4.3 Write Multiple Registers (0x10)

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    • 7.4.4 Diagnostics (0x08) (Loopback)

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• 8 Connections

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  • 8.1 RS-232 Connection (for XVG/eXVG with RS-232 interface)

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  • 8.2 RS-485 Connection (for XVG/eXVG with RS-485 interface)

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• 9 XVG/eXVG Modbus Parameters

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  • 9.1 Setup Parameters

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    • 9.1.1 General Setup Parameters

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    • 9.1.2 Position Interpolation Parameters

      17
    • 9.1.3 Stroke Position Parameters

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    • 9.1.4 Pressure Ratio Parameters

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    • 9.1.5 CdA-Pressure Ratio Parameters

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    • 9.1.6 Flow Limiting Mode Parameters

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  • 9.2 Real Time Parameters

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• 10 Write Modbus Application

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  • 10.1 Real-Time Status & Parameters Upload Procedure

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  • 10.2 Accessing Fault Records Procedure

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  • 10.3 Change Gas Constant R and K Procedure

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  • 10.4 Download Parameters

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  • 10.5 Re-Assign Device Address Procedure

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