GE P485 instruction manual Profibus connector pin assignments, Pin Signal Description

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INSTALLATION

A

B

CE

D

Figure 2-1: P485 electrical connections

PROFIBUS CONNECTOR The Profibus connector is indicated as A in the figure above. This connector is used to connect the P485 to the Profibus network.

The pin assignments for the Profibus connector are shown below.

Table 2–1: Profibus connector pin assignments

Pin

Signal

Description

 

 

 

1

-

-

 

 

 

2

-

-

 

 

 

3

B-Line

Positive RxD/TxD (RS485)

 

 

 

4

RTS *

Request To Send

 

 

 

5

GNDBUS **

Isolated ground from the RS485 side

 

 

 

6

+5 V BUS **

Isolated +5V output from the RS485 side (80 mA maximum)

 

 

 

7

-

-

 

 

 

8

A-Line

Negative RxD/TxD (RS485)

 

 

 

9

-

-

 

 

 

* Used in some equipment to determine the direction of transmission. However, in normal applications only A-Line, B-Line and Shield are used.

** Used for bus termination. Some devices such as optical transceivers (RS485 to fibre optics) may require power from these pins.

51

96 (female)

Figure 2-2: Profibus connector

The following Profibus connectors are recommended:

Profibus Max standard, part number 134928 and Profibus reversed, part number 104577, from http://www.erni.com

Fast connect bus connector, part number 6GK1500-0FC00 or 6ES7 972-0BA50-0XA0, from http://www.siemens.com

2–2

P485 MODBUS TO PROFIBUS CONVERTER – USER GUIDE

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Contents P485 Modbus to Profibus Converter GE MultilinPage Table of contents P485 Modbus to Profibus ConverterSoftware Frame Miscellaneous Introduction Getting startedDocument conventions Input and output definitionFeatures FeaturesAbout the P485 Modbus to Profibus Converter Specifications Mechanical HousingOrdering CommunicationsInstallation Quick installElectrical installation Profibus connector pin assignments Pin Signal DescriptionConfiguration cable pin assignments P485 end Pin DescriptionConfiguration cable PC end Mechanical installation Indicators and switchesP485 status indicators Number Description State StatusProfibus installation procedure Input/output bytes required ModulesTroubleshooting Poor performanceData exchange OverviewAddress Contents Access Memory MapProtocol configuration BlocksData Exchange Installation procedure Software overviewIntroduction Using the EnerVista P485/D485 Setup software Select Configuration Wizard and click on OKTypical network arrangement Sub-network data flow Address Command Software Overview P485 Modbus to Profibus Converter User Guide Software Overview Configuration main window Configurator main windowInformation window Fieldbus configuration Function DescriptionP485/D485 configuration P485/D485 configurationModbus network configuration Parameter Description RangeSoftware Overview Communication model PLCBasic settings P485 scan listNodes MenuCommunication Model P485 Modbus to Profibus Converter User Guide Communication Model Frame and command editors Frame editorCommand editor Select command windowSelect ‘Add Command’ as described earlier Query ColumnMain window Modbus network and node monitors Modbus network monitorStart / Stop sub network scanning Update OFF Update on Node monitorCommand Area Advanced functions Control and status registersBits Name Description Code Name DescriptionCode Error Description Handshake bits themselves bits 14Input/output data during startup Fieldbus control systemAdvanced fieldbus configuration Mailbox commandAdvanced Functions Application example OverviewFor the MM2, we have Type Parameter Address Format Read/writeModbus user map setup Parameter User map data AddressMM2 meter user map setting System configuration System configurationSetup Software Starting Configuration Wizard DB9 pin DescriptionSelecting the SUB-NETWORK Properties Modbus network propertiesParameters configured for Pqmii Connect Devices to the SUB- Network 11 Connect devices to sub-networkSelect Parameters for Each Node 14 Select parameter window17 Configuration report 20 Save device file Queries21 Expanding the tree 23 Changing configuration parameters for a query 25 Opening a saved configuration file Profibus network setup Warranty MiscellaneousRevision history Release Dates10-2 P485 Modbus to Profibus Converter Index 6-3Power Supply