Usage

Backup variables are declared. See below for specifications.

Overview

An example of a variable definition is shown below.

' OPC UA output variables
Global Preserve UShort OPCUA_ItemCode
Global Preserve UInt32 OPCUA_ElectricPower
Global Preserve UInt32 OPCUA_NumOfProduced
Global Preserve UInt32 OPCUA_NumOfDefective
Global Preserve UShort OPCUA_CycleTime
Global Preserve UInt32 OPCUA_ConsumedStatus
Global Preserve UShort OPCUA_OperatingStatus
Global Preserve UInt32 OPCUA_ErrorCode

SPEL variable nodes appear in the address space positions below.

Objects>DeviceSet>MotionDeviceSystemIdentifier>Controllers>Components>SpelProject>BackupVariables

CAUTION

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• SPEL variables whose values are to be read by OPC UA must be prefixed with “OPCUA_”.
• To apply variable definitions (including type and variable name changes, and variable additions and deletions), restart the OPC UA Server after building the project.