4 Operating the Power Supply Remotely
Service requests are enabled for control sockets using the Service Request Enable register. Once service requests have been enabled, the client program listens on the control connection. When SRQ goes true the instrument will send the string “SRQ +nn” to the client. The “nn” is the status byte value, which the client can use to determine the source of the service request.
Configuring the LAN Parameters
To configure the LAN parameters from the instrument’s Web server, launch the Web server as previously described, and click on the View
&Modify Configuration tab on the left side of the page. Then click on the Modify Configuration button on the top of the page. The following screen lets you modify the LAN parameters:
The configurable LAN parameters are described as follows:
Obtain IP This parameter configures the addressing of the instrument. Auto
Address automatically configures the addressing. When selected, the instrument first tries to obtain an IP address from a DHCP server. If a DHCP server is found, the DHCP server assigns an IP address, Subnet Mask, and Default Gateway to the instrument. If a DHCP server is unavailable, the instrument tries to obtain an IP address using AutoIP. AutoIP automatically assigns an IP address, Subnet Mask, and Default Gateway addresses on networks that do not have a DHCP server. Manual allows you to manually configure the addressing of the instrument by entering values in the following three fields.
IP Address This value is the Internet Protocol (IP) address of the instrument. An IP address is required for all IP and TCP/IP communications with the instrument. An IP Address consists of 4 decimal numbers separated by periods. Each decimal number ranges from 0 through 255.
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