An attempt was made to modify the protocol service type attribute, and that attribute was not specified as configurable.
- SNVT binding types
For network variables, the service type can be specified in the connection information in the Neuron C variable declaration. The options are unackd, nackd_rpt and ackd. The keyword config is the default. This allows a network management tool to change the service specification at installation time. The keyword nonconfig indicates that the service type cannot be changed by a network management tool.
Echelon requests to please refer to the Neuron C Reference Guide for more information.
To see which binding type is necessary, open the .XIF in a text editor and look for the following definition:
XIF Definition of Line 2, Field 5: Default service type to use for connections containing this variable. Set to 0 for acknowledged, 1 for repeated, or 2 for unacknowledged.
Created bindings needs to match the type defined in the XIF file.
- Right click on the SNVT and go to properties.
- Go to binding type.
- Ensure binding type is the same, i.e. you cannot bind a Repeated SNVT type to a point that was flagged for only Acknowledged bindings.