Schneider Electric Altivar 212 manual Error response, Exception code

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Modbus services

Error response

An error response is returned by the Altivar 212 when it is unable to perform the request.

Format of an error response:

Slave	Function code	Exception code		CRC16
no.			Lo		Hi
no.			Lo		Hi

1 byte	1 byte	1 byte		2 bytes

Function code: request code + H’80.

Exception code:

Exception Code	Description

01	Unknown function:
	The function code received in the query is not an allowable action for the drive.
	- The function is not supported by the drive error.
	- Function code 43 but MEI Type not equal: to 14.

02	Illegal data address:The data address received in the query is not an allowable address for the drive.
	- Modbus address is not supported.
	- Request to write a read only parameter.

03	Illegal data value:
	A value contained in the query data field is not an allowable value for the drive.
	- Data range not allowed.
	- Fixed data not allowed.
	- Function code 43 and MEI Type 14 but invalid Read Device ID Code (Read Dev ID code > 3).

04Unable to execute:

The request commands an operation that the Altivar 212 is not able to execute due to another task or condition.

-Request to write in a parameter that cannot be changed during running.

-Request to write during executing "tyP" (return to factory setting ...).

-Interruption occurs during writing data.

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? RJ45 Pin out of the Open Style Modbus connectorCross section Tightening torquePin out of the RJ45 Modbus connector Connection via Open Style wiring systemPin Signal Open Style ReferenceConnection accessories Connection via RJ45 wiring systemConnecting cables RJ45 ReferenceProtection Against Interference PTC resistor value F646 Description of terminalsGND Hardware setup Configuration Access to the parameters Configuration of the communication parametersParameters Modbus Adjustment range Default Valid Address AfterParameters Modbus Setting Configuration of the control sourceControl by the Modbus network CommunicationParameters Setting Default ValidControl by the terminals, monitoring by the Modbus network Parameters Modbus Setting Default Valid Com channel choice F807 Communication Menu COM submenu Parameters Modbus Setting Default Valid AddressLI R selection F112 LI R selectionRemote spd ref 2 F207 Parameters LocationFrequency source VIA VIACommands CMOd Complete control diagramConfiguration Configuration of the indirect blocksConfiguration of the communication interruption Parameter Modbus Setting Default Valid Address Configure the drive behaviourCommunication detected fault 16#851 2129Configuration Modbus services Principle of the Modbus protocol RTU modeSlave Slave j Slave k Slave address Function code DataFunction 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 Setting of Max frequency FH Auto ramp AUI Disabled ManualReferring to the Altivar 212 programming manual GeneralList of control parameters Commands from serial communicationSetpoints from serial communication Outputs control from serial communicationStatus List of monitoring parametersFrequency and speed Current and torqueMaintenance Power and energyTrip and alarm codes ValuesBit Specifications Remarks CommandsCommand word FA00 Energy reset bit Command word 2 FA20Examples Over-current stall level change bitSpeed setpoint FA13 SetpointsFrequency setpoint FA01 Status word FE0I Fd01 StatusSetpoint mode status FE46 Command mode status FE45Status word 2 FE42 Fd42 Status word 3 FE49 Fd49Alarm of run time FE79 Trip and alarm codesAlarm code FC91 Code Value Description Hexadecimal number Decimal number Digital inputs status Fd06, FE06 Monitoring and control of I/O from communicationDigital outputs status Fd07, FE07 Bit Terminal name Function parameter titleAnalog outputs command FA51 Digital outputs command FA50Damper opening command Analog inputs values FE35, FE36F580 = 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