LAN remote control system

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Overview

The LAN (Local Area Network) remote control system provides two methods: controlling the E5071C using the SICL-LAN server and controlling the E5071C using the telnet server.

System Configuration

Use a LAN cable to connect between the E5071C and the external controller (computer). The following figure shows the overview of the system configuration of the LAN remote control system.

Configuration of the LAN remote control system

 

Required Equipment

Control over SICL-LAN Server

In the control system using the SICL-LAN server, communication between the external controller (client) and the E5071C (server) is performed using the SICL-LAN protocol. Communication is performed using SICL (Standard Instrument Control Library). You can control the E5071C by programming using SICL or VISA with the C language in the UNIX environment, or Visual C++, Visual Basic, or VEE in the Windows environment.

Preparing the E5071C

To communicate with the external controller, follow these steps to turn on the SICL-LAN server of the E5071C in advance.

  1. Turn ON the network to activate the SICL-LAN Server of the E5071C.

    System > Misc Setup > Network Setup > Enable [ON]

Preparing the external controller

In order to establish communication to the E5071C using the TCP/IP protocol, you need to set the I/O interface of the external controller in advance. This section shows the setting procedure when using the external controller in the Windows environment.

  1. From your PC's Start menu, click Program > Keysight I/O Libraries Suite > Agilent Connection Expert to open the Keysight Connection Expert setting screen.

  2. In Instrument Tab, click +Add icon, then select LAN Instrument.

  3. In Add a LAN device dialog box, select Enter Address tab, then type the IP address of the E5071C and click OK. You can change settings as necessary. For details, refer to the Keysight I/O Libraries Suite documentation.



Control using C or Visual Basic

You can control the E5071C by programming using SICL with the C language in the UNIX environment, or Visual C++ or Visual Basic in the Windows environment.

Control using Keysight VEE

Keysight VEE allows you to control the E5071C via the I/O interface. The following example shows how to control the E5071C that is set as follows: the address of the SICL-LAN server is 17 and the IP address is 146.208.116.90.

  1. On the Keysight VEE's I/O menu, click Instrument Manager

  2. In Instrument Manager, click Add...

  1. A new windows appears for the selection of Interface Type. Select TCPIP and click OK.


     

  2. In Instrument Properties, type any name for the Instrument in Name (for example: ENA or E5071C), and add TCPIP0::<IP Address> in the TCIP Address, where <IP Address> is the IP address for E5071C. For example, if the IP address for E5071C is 146.208.116.90, then the value for TCPIP Address would be TCPIP0::146.208.116.90. Click OK after entering all the parameters.


     

  3. The Instrument manager displays the connection with E5071C.


     

The following figure shows an example of control using the I/O interface that has been set in the above procedure.

Control with Telnet Server

In the control system over telnet server, communications are performed through connection between the sockets provided by the processes of the external controller and the E5071C to establish a network path between them.

A socket is an endpoint for network connection; port 23 and port 5025 are provided for the sockets for the E5071C. Port 23 is provided for conversational control using telnet (user interface program for the TELNET protocol) and port 5025 for control from a program.

Preparing the E5071C

To communicate with the external controller, follow these steps to turn on the telnet server of the E5071C in advance.

System > Misc Setup > Network Setup > Enable [ON]

Conversational control using telnet (using port 23 for revision A.10.0x and below , and port 5024 for revision A.11.0x and above)

You can use telnet to perform conversational control by sending SCPI commands to the E5071C on a message-by-message basis. For telnet, the socket of port 23 is used for communications.

In this example, in order to show you the control procedure using telnet, you control the E5071C (IP address: 146.208.116.90 and host name: e5071c) from the external controller in the Windows environment.

  1. Open the MS-DOS command prompt screen.

  2. At the MS-DOS prompt, type telnet 146.208.116.90 or telnet e5071c and press the return key.

  3. The telnet screen opens.

  4. Type a command and press the return key; it is sent to the E5071C and executed. If you enter a command that queries some data, the query response is displayed below the line you have entered the command.

  5. The following figure shows the screen after using the :SYST:PRES command  to reset, the :SENS{1-36}:FREQ:STAR command and :SENS{1-36}:FREQ:STOP command commands to set the sweep start value and stop value to 1 GHz and 2 GHz respectively, and checking the settings.

Example of control using telnet

  1. Press ] while holding down Ctl in the telnet screen to break the connection to the E5071C. The telnet prompt appears. At the telnet prompt, type quit and press the Enter key. The connection to the E5071C breaks and telnet finishes.)

Control from a program (using port 5025)

When controlling the E5071C from a program on the external controller, use the socket of port 5025 for connection.

Control using C or Visual Basic

You can control the E5071C by socket programming using the C language in the UNIX environment, or Visual C++ or Visual Basic in the Windows environment.

For socket programming, the library for network connection on the TCP/IP protocol is required. For the UNIX environment, BSD (Berkeley Software Distribution) Sockets API is available; for the Windows environment, WinSock (WinSock1.1 and WinSock2.0) created by porting BSD Sockets to Windows and expanding it is available.

For more information on the control method, see a sample program for control using WinSock described in "Controlling Using Telnet Server".

Control using Keysight VEE

Keysight VEE allows you to control the E5071C through the connection to the socket of port 5025 using To/From Socket. The following figure shows an example (when the IP address of the E5071C is 146.208.116.90). Enter 5025 in Host Name to specify the port for connection (1 in the following figure) and enter the IP address or host name of the E5071C in the field to specify the host name (2 in the following figure).

Example of control using Keysight VEE