外部编码器的故障如何应答？
最佳答案
使用_resetExternalEncoderError函数，下面是帮助文档截取。
This function resets the external encoder errors.
For errors that cannot be acknowledged at the time, the command is terminated with a negative acknowledgment.
Return value: DINT
Description of the return value:
Corresponds to the list of return values for the function _move.
Parameter: externalEncoderDirection: Input parameter Data type: ExternalEncoderType Parameterindex: 1
Specifies the technology object of the ''externalEncoder'' type or a variable of the ''ExternalEncoderType'' on which the command is to be executed.
errorResetMode (optional)Direction: Input parameter Data type: EnumErrorReset Parameterindex: 2 System default: ALL_ERRORS
EnumErrorResetALL_ERRORS (10) All errors are reset SPECIFIC_ERROR (126) Reset selected errors
Specifies which errors are reset.
With ALL_ERRORS, all errors are reset.
With SPECIFIC_ERROR, the error specified in ''errorNumber'' is reset.
errorNumber (optional)Direction: Input parameter Data type: DINT Parameterindex: 3 System default: 0
Specifies the number of the error to be reset.
Requires programming with ''errorResetMode:=SPECIFIC_ERROR''.
nextCommand (optional)Direction: Input parameter Data type: EnumNextCommandReset Parameterindex: 4 System default: IMMEDIATELY
EnumNextCommandResetIMMEDIATELY (60) Immediate command advance WHEN_COMMAND_DONE (160) Advance if command has been completed or aborted
Specifies condition for transition to next command.
With IMMEDIATELY, the transition takes place immediately.
With WHEN_COMMAND_DONE, the transition takes place when the command is completed or aborted.
commandId (optional)Direction: Input parameter Data type: CommandIdType Parameterindex: 5 System default: SystemId_high := 0
CommandIdTypeSystem-wide unique IDStructure Name Data type Unit SystemId_high High_part of ID UDINT - SystemId_low Low_part of ID UDINT -
Unique, system-wide ''commandId'' to track command status.
The command status cannot be tracked when ''nextCommand:=IMMEDIATELY'' and ''commandId:=(0, 0)''.
参考资料：Simotion Scout帮助 _resetExternalEncoderError
提问者对于答案的评价：
谢谢
专家置评
已阅，最佳答案正确。
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