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6.4 DataTypes and length of user data ToC Previous Next

OPC UA Safety supports sending the basic data types listed in OPC UA within SafetyData (see OPC 10000-3 and OPC 10000-6). The supported data types are vendor specific.

[RQ6.9] Only scalar data types shall be used. Arrays are not supported.

The supported maximum length of the user data is vendor specific. Typical values for the maximum length include 1,16,64,256,1024, and 1500 octets.

[RQ6.10] For controller-like devices, the supported data types and the maximum length of the user data shall be listed in the user manual.

[RQ6.11] For the data type Boolean, the value 0x01 shall be used for ‘true’ and the value 0x00 shall be used for ‘false’.

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