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Commands from the Controller
Responses from the
4.7.8.6
Using TCP Sockets
This is the most commonly used socket type. It features a managed connection, message
acknowledgements, transmission error detection and correction.
Open TCP socket port 8003 to send SCPI commands.
Responses to queries are sent back automatically with a line-feed terminator and carriage return
appended.
If the web page LAN controller access is set to "Multiple Clients", up to three controllers may open
TCP sockets to one power supply at the same time.
4.7.8.7
Using UDP Sockets
This is a simpler socket type with reduced network traffic. It is a 'connectionless' protocol because
messages are sent and there is no acknowledgement that they have been received.
Open UDP socket port 8005 to send SCPI commands.
Responses to queries are sent back automatically with a line-feed terminator and carriage return
appended.
Before opening a UDP socket, it is required to open the web page and set the controller access to
Multiple Clients.
4.7.9
Connecting Over WAN
To connect over the Wide Area Network (i.e.: the global internet), the following settings must be
made in the network server.
4.7.9.1
View Web Pages Over WAN
The
is listening in Port 80.
The network administrator must obtain and assign a Global IP for the power supply. On the
network server, the network administrator also must ensure port 80 is exposed to WAN
connectivity.
4.7.9.2
Use Sockets Over WAN
The network administrator must obtain and assign a Global IP for the power supply. On the
network server, the network administrator also must ensure port 8003 (for TCP sockets) or port
8005 (for UDP sockets) is exposed to WAN connectivity.
power supply LAN interface has a server for running the web pages. The web server
Terminator Character (and ASCII hex)
One or more terminators required: Line-feed, Carriage-return
0x0A 0x0D
All responses have Line-Feed and Carriage-return
0x0D and 0x0A
80
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