6.7.10 Start Method

This Method is used as part of the PackMLExecuteStateMachineType. It allows an OPC UA Client to change the state of this state machine to the Starting State and send parameters at the same time. Which is an extension to the ISA-TR88.00.02-2015 specification. The parameter is defined in Table 42

Signature 

	Start(
		[in] PackMLDescriptorDataType[] Parameter
	);
Table 42 - Start Method Parameters
Argument Description
ParameterThe array of parameter with Id, Name, Unit and Value can be used by the method. See 6.5.4 for the definition of the DataType.

Method result codes are defined in Table 43.

Table 43 - Start Method result codes
Result Code Description
Bad_MethodInvalidSee OPC 10000-4 – Services for the description of this result code. (The Method id does not refer to a Method for the specified Object.)
Bad_NotImplementedSee OPC 10000-4 – Services for the description of this result code. (Requested operation is not implemented.)
Bad_NodeIdUnknownSee OPC 10000-4 – Services for the description of this result code. (Used to indicate that the specified Object is not valid)
Bad_InvalidStateSee OPC 10000-4 – Services for the description of this result code. (The operation cannot be completed because the Object is closed, uninitialized or in some other invalid state.)
Bad_ArgumentsMissingSee OPC 10000-4 – Services for the description of this result code (The Client did not specify all of the input arguments for the Method.)
Bad_TooManyArgumentsSee OPC 10000-4 – Services for the description of this result code (The Client specified more input arguments than defined for the Method.)
Bad_InvalidArgumentSee OPC 10000-4 – Services for the description of this result code. (Used to indicate in the operation level results that one or more of the input arguments are invalid. The inputArgumentResults contain the specific status code for each invalid argument.)
Bad_TypeMismatchSee OPC 10000-4 – Services for the description of this result code. (Used to indicate that an input argument does not have the correct data type.)

Table 44 specifies the AddressSpace representation for the Start Method. Start includes an array of InputArguments, where the input argument details are provided in Table 42.

Table 44 – Start Method AddressSpace Definition
Attribute Value
BrowseNameStart
References NodeClass BrowseName DataType TypeDefinition ModellingRule
HasPropertyVariableInputArgumentsArgument[] PropertyTypeMandatory