Flowserve MX-100 Field Unit - Manual (Page 3)

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MX/DDC-100 Field Unit Installation and Maintenance FCD LMENIM2329-01 – 03/11
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Contents
1 Introduction 5
1.1 Purpose 5
1.2 How to Use this Manual 5
1.3 User Safety 5
1.4 User Knowledge 6
1.5 DDC-100 System Capabilities and Features 6
1.6 General Specifications 7
2 System Components 8
2.1 Introduction 8
2.2 Hardware 8
2.2.1 MX Actuator 9
2.2.2 DDC–100 Field Unit 9
2.2.3 Host Controller 10
2.2.4 Master Station II 11
2.2.5 Network Cable 12
2.3 Software 13
2.3.1 Modbus Protocol 13
2.3.2 Modbus Function Codes 14
2.3.3 Modbus Function Code 01 (Read Coil Status) 14
2.3.4 Modbus Function Code 02 (Read Input Status) 15
2.3.5 Modbus Function Code 03 (Read Holding Register) 17
2.3.6 Modbus Function Code 04 (Read Input Register) 21
2.3.8 Modbus Function Code 06 (Preset Single Register) 23
2.3.9 Modbus Function Code 08 (Diagnostics) 26
2.3.10 Modbus Function Code 15 (Force Multiple Coils) 27
2.3.11 Modbus Function Code 16 (Preset Multiple Registers) 28
3 Installation and Configuration 30
3.1 Site and Network Cable Preparation 30
3.1.1 Site Preparation 30
3.1.2 Network Cable Preparation 30
3.2 Installation Verification 38
3.2.1 Network Cabling Installation Verification 38
3.2.2 Field Unit Installation Verification 38
3.3 Field Unit Configuration 39
3.3.1 Configuring Field Unit Parameters 39
3.4 Configuration Confirmation 44
3.4.1 Checking Connections 44
3.4.2 View Settings 44
3.4.3 Checking the Normal Display 44
4 Associated Documents 46
5 Troubleshooting 48
6 How to Order Parts 50
Appendix – Wiring Diagram 52
Appendix – MX/DDC Register Definitions 56
Appendix – Typical DDC-100 Network Installation Assignments 62