GE instruction manual About the P485 Modbus to Profibus Converter, Features

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INTRODUCTION

About the P485 Modbus to Profibus Converter

APPLICATION The P485 Modbus to Profibus Converter (or P485) acts as a gateway between the Modbus protocol and a Profibus-DP network. Integration of industrial devices is enabled without loss of functionality, control, and reliability, both when retrofitting to existing equipment as well as when setting up new installations.

Profibus network

Profibus

Profibusmaster (PLC) master (PLC)

HMI

HMI
	network	Profibus
Profibus slave	Profibus	slave
	Profibus

PC for configuration and monitoring

	P485
P485
PC for configuration	Multi-drop
PC for configuration
and monitoring
RS232 port

Single-node Modbus network

Multi-node Modbus network

Figure 1-2: Typical applications

Features

GENERAL FEATURES	•	DIN-rail mountable
	• Save/load configuration in flash
	• CE, UL, and cUL marked
MODBUS NETWORK	•	RS232/RS422/RS485 communications
	• Multi-drop or single-node configurations
	• Modbus RTU Master mode
	• Supports up to 50 commands
	• Configuration via EnerVista P485/D485 Setup software
FIELDBUS INTERFACE	• Complete Profibus-DP slave functionality according to IEC 61158
FEATURES	• Node Address range: 1 to 99 using on board switches
	• Baud rate range: 9.6 kbps to 12 Mbps. Auto baud rate detection supported.
	• Transmission media: Profibus bus line, type A or B specified in IEC 61158

P485 MODBUS TO PROFIBUS CONVERTER – USER GUIDE

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Contents GE Multilin P485 Modbus to Profibus ConverterPage P485 Modbus to Profibus Converter Table of contentsSoftware Frame Miscellaneous Getting started IntroductionInput and output definition Document conventionsFeatures FeaturesAbout the P485 Modbus to Profibus Converter Mechanical Housing SpecificationsOrdering CommunicationsInstallation Quick installElectrical installation Pin Signal Description Profibus connector pin assignmentsPin Description Configuration cable pin assignments P485 endConfiguration cable PC end Indicators and switches Mechanical installationNumber Description State Status P485 status indicatorsInput/output bytes required Modules Profibus installation procedurePoor performance TroubleshootingOverview Data exchangeMemory Map Address Contents AccessBlocks Protocol configurationData Exchange Installation procedure Software overviewIntroduction Select Configuration Wizard and click on OK Using the EnerVista P485/D485 Setup softwareTypical network arrangement Sub-network data flow Address Command Software Overview P485 Modbus to Profibus Converter User Guide Software Overview Configurator main window Configuration main windowInformation window Function Description Fieldbus configurationP485/D485 configuration P485/D485 configurationParameter Description Range Modbus network configurationSoftware Overview PLC Communication modelP485 scan list Basic settingsMenu NodesCommunication Model P485 Modbus to Profibus Converter User Guide Communication Model Frame editor Frame and command editorsSelect command window Command editorQuery Column Select ‘Add Command’ as described earlierMain window Modbus network monitor Modbus network and node monitorsStart / Stop sub network scanning Node monitor Update OFF Update onCommand Area Control and status registers Advanced functionsCode Name Description Bits Name DescriptionHandshake bits themselves bits 14 Code Error DescriptionFieldbus control system Input/output data during startupMailbox command Advanced fieldbus configurationAdvanced Functions Overview Application exampleType Parameter Address Format Read/write For the MM2, we haveParameter User map data Address Modbus user map setupMM2 meter user map setting System configuration System configurationDB9 pin Description Setup Software Starting Configuration WizardModbus network properties Selecting the SUB-NETWORK PropertiesParameters configured for Pqmii 11 Connect devices to sub-network Connect Devices to the SUB- Network14 Select parameter window Select Parameters for Each Node17 Configuration report Queries 20 Save device file21 Expanding the tree 23 Changing configuration parameters for a query 25 Opening a saved configuration file Profibus network setup Miscellaneous WarrantyRevision history Release Dates10-2 6-3 P485 Modbus to Profibus Converter IndexPower Supply