Search

2 result(s) for QueryFirst

• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  B.2.3 QueryFirst
  B.2.3 QueryFirst This Service is used to issue a Query request to the Server . The complexity of the Query can range from very simple to highly sophisticated. The Query ... Table B.3 defines the request parameters and Table B.4 the response parameters for the QueryFirst Service . Table B.3 - QueryFirst Request Parameters Name Type Description Request requestHeader RequestHeader Common request parameters
• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  B.2.4 QueryNext
  B.2.4 QueryNext This Service is used to request the next set of QueryFirst or QueryNext response information that is too large to be sent in a single response ... QueryNext should be submitted on the same session that was used to submit the QueryFirst or QueryNext that is being continued. Table B.7 defines the parameters for the Service . Table