Chapter 1 Introduction 1.2.3 Uninstalling Delta OPC (1) There are two methods of uninstalling Delta OPC. Method 1: Open the Control Panel window, and click Add or Remove Programs . In the Currently installed programs box, click Delta OPC vx.xx , and then click Remove . x.xx denotes the version of Delta OPC, as shown in figure 1-7. Figure 1-7 Uninstalling Delta OPC Method 2: Click Uninstall below the Delta OPC menu on the Start menu. (Default position: Start > Programs > Delta Industrial Automation > Delta OPC > Uninstall ) (2) After users click Yes , Delta OPC will be uninstalled.
1.3 Usage and Introduction of Delta OPC Hard Key 1.3.1 Introduction of Hard Key The main purpose of Hard Key is to drive Delta OPC so that Delta OPC can be connected to a PLC and monitor the PLC. The appearance of Hard Key is as shown in figure 1-8. Figure 1-8 Appearance of Hard Key (for reference only) 1.3.2 Usage of Hard Key Users can try out a connection for 30 minutes without using Hard Key. After a connection is tried out for 30 minutes, the monitoring software connected to Delta OPC (e.g.
SCADA software or Monitor View provided by a Delta OPC server) can not correctly communicate with and monitor Delta products by means of Delta OPC, and a cross will be put on the icon representing a configurator on the system tray. If Hard Key is inserted into a USB port, the communication and monitoring will return to normal. As a result, in order to monitor products continuously, users need to insert Hard Key into a USB port on a computer. (Note: If Hard Key is inserted into a USB port on a computer for the first time, the computer may show that a new device is detected, but Hard Key still can not be 1-7