Listed below are the EWS methods implemented in Citect SCADA, compared against the full set of methods described in Schneider Electric's EWS specification.
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NOTICE |
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NOTICE It is recommended that you do not set the [Server]EWSAllowAnonymousAccess INI parameter to 1.If set unauthorized access to tag data may occur. Enable access only if your EWS Client supports Anonymous authentication and no other. |
Note: To Invoke EWS Service Methods from EWS client requires certificate and user credentials authentication. The X.509 certificate used for the EWS server needs to be trusted by the client. More information on certificate management may be found at http://msdn.microsoft.com/en-us/library/ms731899(v=vs.100).aspx.
Supported methods
Unsupported methods
Note: If Allow Anonymous Access is enabled, the SetValues method is not supported for anonymous users.
See Also
Published June 2018