Chapter 10. OPC UA Server
174 PACSystems* RX7i & RX3i TCP/IP Ethernet Communications User Manual GFK-2224Q
10.1 Application Logic to Control the OPC UA Server
The OPC UA server is controlled by means of a service request (SVC REQ function block). The service request
allows you to start, stop, restart and clear OPC specific information.
OPC UA Server Service Request
There is one service request dedicated to the PACSystems OPC UA Server. This is service request 130, protocol
0x0001. The OPC UA Server service request contains a number of sub-functions to accomplish different tasks.
SERVICE_REQUEST 130 protocols:
Sub-function Code
OPC UA SERVER 16#0001
Note: All other protocol codes are reserved, and if used, the SVC_REQ function will not pass
power.
SERVICE_REQUEST 130, protocol 1, sub-functions:
Sub-function Code
START 16#0000
STOP 16#0001
CLEAR 16#0002
SERVER_STATUS 16#0003
CONFIG_STATUS 16#0004
RESTART 16#0005
Note: All other sub-functions are reserved; if used, the SVC_REQ function does not pass power.
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