Flowserve MX-100 Field Unit User Manual
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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