Chapter 10 DeviceNet Communication Module AH10DNET Table of Contents 10.1 Introduction ..........................................................................................10-3 10.1.1 Feature .........................................................................................10-3 10.1.2 Functions ......................................................................................10-3 10.1.3 Specifications ................................................................................10-3 10.2 Profile and Outline ...............................................................................10-4 10.2.1 Profile and Dimensions .................................................................10-4 10.2.2 Parts .............................................................................................10-5 10.2.3 DeviceNet Communication Connector ..........................................10-5 10.2.4 Address Switch .............................................................................10-6 10.2.5 Function Switch ............................................................................10-6 10.2.6 Seven-segment Display ................................................................10-6 10.2.7 Backplane Interface ......................................................................10-6 10.3 Installation ............................................................................................10-7 10.3.1 Installing the Module .....................................................................10-7 10.3.2 Connecting to the DeviceNet Communication Connector .............10-8 10.3.3 DeviceNet Bus Network Topology Structure .................................10-8 10.3.4 Choice and Purpose of a DeviceNet Terminal Resistor ..............10-12 10.3.5 DeviceNet Network Supply Power ..............................................10-13 10.4 Configuration of AH10DNET-5A .........................................................10-14 10.4.1 Data Mapping Areas ...................................................................10-14 10.4.2 Assignment of Mapping Area (in Master Mode) ..........................10-14 10.4.3 Assignment of Mapping Area (in Slave Mode) ............................10-15 10.4.4 Data Flow Direction of Master and Slave ....................................10-15 10.5 Bit-strobe Command ..........................................................................10-17 10.5.1 Bit-strobe Work Principle ............................................................10-17 10.6 Network Node Status Display ............................................................10-18 10.6.1 Scan List Node Status Display....................................................10-18 10.6.2 Scanner Module Status Display ..................................................10-18 10.7 Special Operation in Master Mode .....................................................10-19 10.7.1 Master Mode Setting ...................................................................10-19 10.7.2 Mapping Areas Setting ................................................................10-23 10.7.3 Extension Baud Rate Setting ......................................................10-29 10.8 Special Operation in Slave Mode .......................................................10-31 10.8.1 Slave Mode and Mapping Areas Setting .....................................10-31 10.8.2 Modifying the Data Length of the Slave ......................................10-38 10.8.3 Extension Baud Rate Setting ......................................................10-40 10.9 Application Example ..........................................................................10-42 10.9.1 Constructing One DeviceNet Network ........................................10-42 10.9.2 Configuration of DeviceNet Slave ...............................................10-43 10.9.3 Configuration of DeviceNet Master .............................................10-49 10.9.4 Configuring DeviceNet Slave into the Master .............................10-56 10.9.5 Data Flow Direction ....................................................................10-57 10.9.6 Ladder Diagram Program ...........................................................10-58 7-1