Data Exchange | GE P485 specification

DATA EXCHANGE

•Message frame: The message frame contains a description of what is actually transmitted on the sub-network and consists of frame objects (see figure above).

•Frame object: Frame objects are used to compose a message frame. Frame objects include fixed values, dynamic values retrieved from a specified memory location in the P485, or strings.

3–4	P485 MODBUS TO PROFIBUS CONVERTER – USER GUIDE

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GE P485 instruction manual Data Exchange

Contents

P485 Modbus to Profibus Converter GE MultilinPage Table of contents P485 Modbus to Profibus Converter Software Frame Miscellaneous Introduction Getting started Document conventions Input and output definition Features FeaturesAbout the P485 Modbus to Profibus Converter Ordering SpecificationsMechanical Housing Communications Quick install InstallationElectrical installation Profibus connector pin assignments Pin Signal Description Configuration cable pin assignments P485 end Pin Description Configuration cable PC end Mechanical installation Indicators and switches P485 status indicators Number Description State Status Profibus installation procedure Input/output bytes required Modules Troubleshooting Poor performance Data exchange Overview Address Contents Access Memory Map Protocol configuration Blocks Data Exchange Software overview Installation procedureIntroduction Using the EnerVista P485/D485 Setup software Select Configuration Wizard and click on OK Typical network arrangement Sub-network data flow Address Command Software Overview P485 Modbus to Profibus Converter User Guide Software Overview Configuration main window Configurator main window Information window Fieldbus configuration Function Description P485/D485 configuration P485/D485 configuration Modbus network configuration Parameter Description Range Software Overview Communication model PLC Basic settings P485 scan list Nodes Menu Communication Model P485 Modbus to Profibus Converter User Guide Communication Model Frame and command editors Frame editor Command editor Select command window Select ‘Add Command’ as described earlier Query Column Main window Modbus network and node monitors Modbus network monitor Start / Stop sub network scanning Update OFF Update on Node monitor Command Area Advanced functions Control and status registers Bits Name Description Code Name Description Code Error Description Handshake bits themselves bits 14 Input/output data during startup Fieldbus control system Advanced fieldbus configuration Mailbox command Advanced Functions Application example Overview For the MM2, we have Type Parameter Address Format Read/write Modbus user map setup Parameter User map data Address MM2 meter user map setting System configuration System configuration Setup Software Starting Configuration Wizard DB9 pin Description Selecting the SUB-NETWORK Properties Modbus network properties Parameters configured for Pqmii Connect Devices to the SUB- Network 11 Connect devices to sub-network Select Parameters for Each Node 14 Select parameter window 17 Configuration report 20 Save device file Queries 21 Expanding the tree 23 Changing configuration parameters for a query 25 Opening a saved configuration file Profibus network setup Revision history WarrantyMiscellaneous Release Dates 10-2 P485 Modbus to Profibus Converter Index 6-3 Power Supply