Schneider Electric Altivar 212 manual Read indirect block of 2 parameters

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Modbus services

•Read indirect block of 2 parameters:

Request:

18 75

00 02

D3 71

Response:

64 04

17 70

AA D6

•Error response on invalid starting address:

Request:

18 76

00 02

23 71

Response:

01 31

•Error response on invalid quantity of registers:

Request:

18 75

00 06

D2 B2

Response:

01 31

Note: Reading values of parameters F875 to F879. Value of parameter F87p can be read by reading the address 187p.

Example for parameter F875: 0875: parameter assignment

1875: parameter value

S1A53844 01/2011

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Contents Altivar S1A53844 01/2011 Table of Contents Table of Contents Important Information Safety InformationAt a Glance About the BookHazard of Electric SHOCK, Explosion or ARC Flash S1A53844 01/2011 Introduction Introduction Topic Hardware setupWhats in this Chapter? Tightening torque Pin out of the Open Style Modbus connectorRJ45 Cross sectionOpen Style Reference Connection via Open Style wiring systemPin out of the RJ45 Modbus connector Pin SignalRJ45 Reference Connection via RJ45 wiring systemConnection accessories Connecting cablesProtection Against Interference PTC resistor value F646 Description of terminalsGND Hardware setup Configuration After Configuration of the communication parametersAccess to the parameters Parameters Modbus Adjustment range Default Valid AddressCommunication Configuration of the control sourceParameters Modbus Setting Control by the Modbus networkParameters Setting Default ValidControl by the terminals, monitoring by the Modbus network Parameters Modbus Setting Default Valid LI R selection Parameters Modbus Setting Default Valid AddressCom channel choice F807 Communication Menu COM submenu LI R selection F112VIA VIA Parameters LocationRemote spd ref 2 F207 Frequency sourceCommands CMOd Complete control diagramConfiguration Configuration of the indirect blocksConfiguration of the communication interruption 2129 Configure the drive behaviourParameter Modbus Setting Default Valid Address Communication detected fault 16#851Configuration Modbus services Slave address Function code Data RTU modePrinciple of the Modbus protocol Slave Slave j Slave kFunction 3, quantity = Modbus functions availableRead one word Status info Read indirect blockFunction 3, quantity = 1 Read indirect block of 2 parameters Write Single Register Function 16 = 16#10, quantity =1 Write multiple registersSpeed Setpoint Command word Frequency SetpointWrite indirect block Request 6C 7E Response Read Device Identification 43/14 Exception code Error responseModbus services Parameter list General Auto ramp AUI Disabled ManualSetting of Max frequency FH Referring to the Altivar 212 programming manualOutputs control from serial communication Commands from serial communicationList of control parameters Setpoints from serial communicationCurrent and torque List of monitoring parametersStatus Frequency and speedValues Power and energyMaintenance Trip and alarm codesBit Specifications Remarks CommandsCommand word FA00 Over-current stall level change bit Command word 2 FA20Energy reset bit ExamplesSpeed setpoint FA13 SetpointsFrequency setpoint FA01 Status word FE0I Fd01 StatusStatus word 3 FE49 Fd49 Command mode status FE45Setpoint mode status FE46 Status word 2 FE42 Fd42Alarm of run time FE79 Trip and alarm codesAlarm code FC91 Code Value Description Hexadecimal number Decimal number Bit Terminal name Function parameter title Monitoring and control of I/O from communicationDigital inputs status Fd06, FE06 Digital outputs status Fd07, FE07Analog inputs values FE35, FE36 Digital outputs command FA50Analog outputs command FA51 Damper opening commandF580 = 3 Drive model code F805 Model Voltage Power Rating Code FB05 Class FB72bit8Identification ATV212WU15N4C S1A53844 01/2011 Appendix RS485 standard Modbus 2-wire standard schematicSchematic diagram Migration Commissioning Migration ATV21 ATV212For example ATV212Modbus manualENS1A5384401 S1A53844 01/2011