Schneider Electric LUFP7 Bedienungsanleitung

1755863www.schneider-electric.comAltivar 71Integrated ModbusUser's manual11/2009

10 1755863 11/2009Bus connectionConnection via RJ45 wiring systemConnection accessoriesConnecting cables1. Master (PLC, PC or communication module)2.

1755863 11/2009 11Bus connectionType of master Master interface Modbus connection accessories for RJ45 wiring systemDescription Catalog numberTwido P

12 1755863 11/2009Bus connectionConnection via junction boxesConnection accessoriesConnecting cables1. Master (PLC, PC or communication module)2. Mod

1755863 11/2009 13Bus connectionType of master Master interface Modbus connection accessories for junction boxes using screw terminalsDescription Cat

14 1755863 11/2009Bus connectionConnection onto screw terminalsConnection accessoriesConnecting cablesDescription Catalog numberLineterminatorsFor sc

1755863 11/2009 15ConfigurationConfiguring communication parametersModbus networkThe configuration of the Modbus network parameters can be accessed v

16 1755863 11/2009ConfigurationControl-signal configurationNumerous control-signal configurations are possible. For more information, refer to the pr

1755863 11/2009 17ConfigurationConfigure the following parameters:Control via Modbus in Drivecom profileThe command and target come from Modbus.The c

18 1755863 11/2009ConfigurationControl in Drivecom profile via Modbus and target switching at the terminalsThe command comes from Modbus.The command

1755863 11/2009 19ConfigurationConfiguring the communication scannerAdvantages of the communication scannerThe communication scanner enables all the

20 1755863 11/2009ConfigurationConfiguring monitored parametersUp to 4 parameters can be selected and their value displayed in the [1.2 - MONITORING]

1755863 11/2009 21ConfigurationConfiguring communication fault managementIf the drive does not receive any Modbus request sent to its address for a p

22 1755863 11/2009DiagnosticsLEDsThe HMI and MOD LEDs are located on the left-hand side of the 4-digit 7-segment display on the front of the Altivar

1755863 11/2009 23DiagnosticsCommunication diagnostics On the terminal, in the [1.2 - MONITORING] (SUP-) menu ([COMMUNICATION MAP.] (CMM)

24 1755863 11/2009DiagnosticsModbus counters• [Mb1 process frames] and [Mb2 process frames] indicate the number of Modbus frames received. The counte

1755863 11/2009 25DiagnosticsControl-signal diagnosticsOn the graphic display terminal, the [1.2 - MONITORING] (SUP-) menu ([COMMUNICATION MAP] (CMM)

26 1755863 11/2009DiagnosticsDisplaying the frequency targetThe [Active ref. channel] parameter indicates the active target channel.The [Frequency re

1755863 11/2009 27DiagnosticsCommunication faultsIf there is no Modbus communication, the indicators of the integrated display terminal or graphic di

28 1755863 11/2009Modbus protocolRTU modeThe transmission mode used is RTU mode. The frame contains no message header byte, nor end of message bytes.

1755863 11/2009 29Modbus protocolAltivar 71 Integrated ModbusThe Altivar 71 features 2 integrated Modbus ports:· Modbus network· Modbus HMIThese 2 po

1755863 11/2009 3ContentsBefore you begin_____________________________________________________________________________________________ 4Documentatio

30 1755863 11/2009Modbus protocolModbus functionsThe following table indicates which Modbus functions are managed by the Altivar 71, and specifies th

1755863 11/2009 31Modbus protocolExample 2: Use function 3 to read 5 memory words %MW20 (16#0014) to %MW24 (16#0018) on the “Controller Inside” card

32 1755863 11/2009Modbus protocolDiagnostics: Function 8Subcode 16#00: EchoThis function asks the slave being interrogated to echo (return) the messa

1755863 11/2009 33Modbus protocolWrite N output words: Function 16 (16#10)RequestResponseExample: Write values 20 and 30 to words W9 001 and W9 002 o

34 1755863 11/2009Modbus protocolIdentification: Function 43 (16#2B)RequestResponseThe total response size given in this example equals 55 bytesThe r

1755863 11/2009 35Modbus protocolNegative response specifically related to identification functionExample of positive response: Following the request

36 1755863 11/2009Modbus protocolRead/write N words: Function 23 (16#17)RequestResponseExample: This example combines the two examples for functions

1755863 11/2009 37Modbus protocolCommunication scannerTo improve communication performance with an Altivar 71, non-contiguous drive parameters can be

38 1755863 11/2009Modbus protocolThe control scanner and monitoring scanner parameters are configured via the display terminal as follows:RequestResp

1755863 11/2009 39Modbus protocolException responsesAn exception response is returned by a slave when it is unable to perform the request, which is a

4 1755863 11/2009Before you beginRead and understand these instructions before performing any procedure with this drive.DANGERHAZARDOUS VOLTAGE• Read

40 1755863 11/2009Modbus protocolResponse to the Read N output words request:Scenario no. 1: Parameters CHCF (W8 401) and COP (W8 402) not protected

1755863 11/2009 41Appendix: Non-standard schematicsUNI-TELWAY schematicSchneider-Electric used the UNI-TELWAY bus schematic for drives and soft start

42 1755863 11/2009Appendix: Non-standard schematicsJbus schematicSchematic diagram:Type of trunk cable Cable with 1 shielded twisted pairMaximum leng

1755863 11/2009 43Appendix: Non-standard schematicsUse of UNI-TELWAY slaves in a standard schematicSlaves with 4.7kΩ polarization can be integrated i

44 1755863 11/2009Appendix: Non-standard schematicsRecommendations for setting up a Modbus network using non-standard devices1. Identify polarities D

1755863 11/2009ATV71_modbus_int_EN_1755863_02

1755863 11/2009 5Documentation structureInstallation manualThis manual describes:• How to assemble the drive• How to connect the driveProgramming man

6 1755863 11/2009IntroductionPresentationTwo integrated communication ports mean that the Modbus protocol can be accessed directly: • One RJ45 Modbus

1755863 11/2009 7Bus connectionConnecting to the Altivar 71Connection accessories should be ordered separately (please consult our catalogs).Connect

8 1755863 11/2009Bus connectionWiring recommendations• Use the Schneider-Electric cable with 2 pairs of shielded twisted conductors (catalog number:

1755863 11/2009 9Bus connectionModbus standard schematicThe standard schematic corresponds to the Modbus specification published in 2002 on www.modbu