Flowserve DDC-100 Modbus Direct-to-Host User Manual

Ddc-100 direct-to-host programming guide

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DDC-100
Direct-to-Host
Programming Guide

FCD LMAIM4019-00

(Replaces 435-23009)

Network Control Systems

Table of contents

Document Outline

Figure 4.1 – DDC-100 Redundant Loop Network
Figure 4.2 – DDC-100 Single-Ended Loop Network
Figure 4.3 – DDC-100 Single-Line Multi-Drop Network
Figure 5.1 – RS-232/RS-485 Converter Dimensions and Rack Mount Kit
Figure 5.2 – RS-232/RS-485 Cable Diagram
Figure 5.3 – Front and Back Panels of Steered Converter
Figure 5.4 – Front and Back Panels of Self-Steering Converter
Table 3.1 – Field Unit Communication Parameters
Table 3.2 – Modbus Function Codes Supported
Table 3.3 – DDC-100 Coil Assignments, Modbus Function Code 01 Usage for Digital Outputs
Table 3.4 – Status Bit Definitions
Table 3.4 – Status Bit Definitions (continued)
Table 3.5 – Field Unit Register Definitions
Table 3.6 – DDC-100 Coil Assignments Modbus Function Code 05 Usage for Digital Outputs
Table 3.7 – Modbus 06 Command and Field Unit Holding Register 40001
Table 3.8 – Diagnostic Codes Supported by the DDC-100 Field Unit
Table 4.1 – Average Field Unit Response Time
Table 4.2 – Average Network Scan Time (seconds)
Table 5.1 – RS-232/RS-485 Converter Specifications
Table 5.2 – Steered Converter Assembly (P/N 22300-7591)
Table 5.3 – Self-Steering Converter Assembly (P/N 22300-7601)
Table 5.4 – RS-232/RS-485 Converter (P/N 61-825-0966-4) DIP Switch Functions
Table 5.5 – RS-232/RS-485 Converter (P/N 61-825-0966-4) RS-232 Connector
Table 5.6 – RS-232/RS-485 Converter (P/N 61-825-0966-4) RS-485 Connector
Table 5.7 – RS-232/RS-485 Converter (P/N 61-825-0966-4) Jumpers
Table 5.8 – RS-232/RS-485 Converter (P/N 61-825-1032-4) RS-232 Connector
Table 5.9 – RS-232/RS-485 Converter (P/N 61-825-1032-4) RS-485 Connector
Table 5.10 – RS-232/RS-485 Converter (P/N 61-825-1032-4) Jumpers1
Table 6.1 – Sample Tag Table for Direct-to-Host applications