Sequoia Series 31
3.5.3 Socket Port Number
Now that a connection has been verified, you can develop your application code. If you are using one
of the Microsoft environments, the Winsock protocol which is part of the Windows operating system
can be used. Similar capabilities are supported on other operating systems.
To use Winsock, your will have to specify the port number of the power source’s LAN interface. The
port number determines the protocol for the communication. The power source uses ASCII characters
and instrument SCPI commands for remote control. The IANA registered Port number for the
Instrument SCPI interface is 5025.
TCP Remote port = 5025
The port number is factory set to 5025.
3.5.4 IP Ping
You can also test the IP address from your Windows PC. An easy way to do so is to use the ping utility
under MS DOS. To do so, bring up a DOS window using the start menu:
Start>Programs>Accessories>Command Prompt)
At the command prompt type
ping <IP address>.
This will send an IP ping request to the power source. For this to work, the power source must be
turned on and connected to the same network as the PC. Also, the power source interface
configuration must be set to use a baud rate of 460,800. If everything is working it will look like this:
Figure 3-3: Pinging AC Source LAN IP address.
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