UA_MethodGetHandleList

Overview

Type:	Function block
Available as of:	V2.2.4.0

Functional Description

The function block UA_MethodGetHandleList is used to get the method handles for a method call.

NOTE: To help avoid an inconsistent response, do not modify parameters while the function block is executing (Busy = TRUE).

WARNING
	UNINTENDED EQUIPMENT OPERATION Do not modify input parameters while the Busy output is equal to TRUE. Failure to follow these instructions can result in death, serious injury, or equipment damage.

Interface

Input	Data type	Description
Execute	BOOL	Upon a rising edge, the function block is being executed. Also refer to Behavior of Function Blocks with the Input Execute.
Timeout	TIME	Maximum time to respond. Value range: 2 s...60 s If the value is out of range the upper or lower limit is applied. Default value: GPL.Timeout
ConnectionHdl	DWORD	Connection handle.
NodeIDCount	UINT	Number of node paths in the arrays ObjectNodeIDs and MethodNodeIDs. It must not exceed the value of GPL.MAX_ELEMENTS_METHOD.
ObjectNodeIDs	ARRAY [1..GPL. MAX_ELEMENTS_METHOD] OF UANodeID	Array containing paths of object nodes.
MethodNodeIDs	ARRAY [1..GPL. MAX_ELEMENTS_METHOD] OF UANodeID	Array containing paths of method nodes.

Output	Data type	Description
Done	BOOL	Indicates that the execution of the function block was completed successfully.
Busy	BOOL	Indicates that the execution of the function block is in progress.
Error	BOOL	Indicates that an error was detected during execution. NOTE: Even if Error indicates FALSE, verify the corresponding ErrorIDs before processing the namespace indexes.
ErrorID	ET_Result	Provides additional diagnostic information as a numeric value. For each specified namespace URI, a separate result is provided.
ErrorIDs	ARRAY [1..GPL. MAX_ELEMENTS_METHOD] OF ET_Result	Array containing error codes for each node ID specified inside the arrays at the function block input.
MethodHdls	ARRAY [1..GPL.MAX_ELEMENTS_NODELIST] OF DWORD	Array containing method handles for each node ID specified inside the arrays at the function block input.