Agilent Technologies N5181A/82A User Manual Page 45
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Agilent N518xA, E8663B, E44x8C, and E82x7D Signal Generators Programming Guide 35
Using IO Interfaces
Using LAN
For additional information on troubleshooting your LAN connection, refer to the Help in the Agilent
IO Libraries and documentation for LAN connections and problems.
Using Interactive IO
Use the VISA Assistant utility available in the Agilent IO Libraries Suite to verify instrument
communication over the LAN interface. Refer to the section on the “IO Libraries and Programming
Languages” on page 5 for more information.
The Agilent IO Libraries Suite is supported on all platforms except Windows NT. If you are using
Windows NT, refer to section below on using the VISA Assistant to verify LAN communication. See
the section on “Windows NT and Agilent IO Libraries M (and Earlier)” on page 6 for more
information.
Table 2-1 Ping Responses
Normal Response for UNIX A normal response to the ping command will be a total of 9 or 10 packets received with a
minimal average round- trip time. The minimal average will be different from network to
network. LAN traffic will cause the round- trip time to vary widely.
Normal Response for DOS or
Windows
A normal response to the ping command will be a total of 9 or 10 packets received if 10 echo
requests were specified.
Error Messages If error messages appear, then check the command syntax before continuing with
troubleshooting. If the syntax is correct, resolve the error messages using your network
documentation or by consulting your network administrator.
If an unknown host error message appears, try using the IP address instead of the hostname.
Also, verify that the host name and IP address for the signal generator have been registered
by your IT administrator.
Check that the hostname and IP address are correctly entered in the node names database. To
do this, enter the nslookup <hostname> command from the command prompt.
No Response If there is no response from a ping, no packets were received. Check that the typed address
or hostname matches the IP address or hostname assigned to the signal generator in the
System LAN Setup menu. For more information, refer to “Configuring the DHCP LAN (Agilent
MXG)” on page 33 or “Configuring the DHCP LAN (ESG/PSG/E8663B)” on page 33.
Ping each node along the route between your workstation and the signal generator, starting
with your workstation. If a node doesn’t respond, contact your IT administrator.
If the signal generator still does not respond to ping, you should suspect a hardware problem.
• Check the signal generator LAN connector lights
• Verify the hostname is not being used with DHCP addressing
Intermittent Response If you received 1 to 8 packets back, there maybe a problem with the network. In networks
with switches and bridges, the first few pings may be lost until these devices ‘learn’ the
location of hosts. Also, because the number of packets received depends on your network
traffic and integrity, the number might be different for your network. Problems of this nature
are best resolved by your IT department.
- Programming Guide 1
- Contents 3
- Documentation Overview 9
- Interfaces 13
- Agilent IO Libraries Suite 15
- Programming Languages 19
- Using the Web Browser 20
- Agilent MXG Web Server On 21
- ESG/PSG/E8663B Web Server On 21
- Preferences 26
- Getting Help (Agilent MXG) 28
- Getting Help (ESG/PSG/E8663B) 28
- Error Messages 29
- Error Message Types 30
- 2 Using IO Interfaces 31
- Using GPIB 32
- Set Up the GPIB Interface 34
- Verify GPIB Functionality 35
- GPIB Interface Terms 35
- Using IO Interfaces 36
- Using LAN 38
- Setting Up the LAN Interface 39
- Setting up Private LAN 44
- Verifying LAN Functionality 44
- Table 2-1 Ping Responses 45
- Using VXI-11 47
- Using Sockets LAN 49
- Using Telnet LAN 49
- Figure 2-7 Telnet 2000 Window 52
- Using FTP 53
- Figure 2-8 FTP Screen 54
- Character Format Parameters 59
- If You Have Problems 59
- Using USB (Agilent MXG) 63
- Setting Up the USB Interface 65
- 3 Programming Examples 67
- Running C++ Programs 69
- Running C# Examples 70
- Running Basic Examples 70
- Running Java Examples 71
- Running MATLAB Examples 71
- Running Perl Examples 71
- Clear Function 75
- Output Function 75
- • resets instrument 79
- • resets the signal generator 84
- • reads the various settings 84
- • verifies RF state off 88
- Programming Examples 100
- Figure 3-1 108
- VXI-11 Programming 111
- Sockets LAN Programming and C 115
- Queries for Lan Using Sockets 117
- Before Using the Examples 141
- Overview 148
- Status Register Bit Values 158
- Determining What to Monitor 159
- Deciding How to Monitor 159
- Status Register SCPI Commands 161
- Status Byte Group 164
- Status Byte Register 165
- Status Groups 166
- Standard Event Status Group 167
- STATus:OPERation:CONDition? 170
- Register) to 1 180
- Condition Register) to 1 186
- Condition register) to 1 189
- Understanding Waveform Data 195
- LSB and MSB (Bit Order) 196
- 1 0 1 1 0 1 1 1 197
- 1 1 1 0 1 0 0 1 197
- Byte Swapping 198
- DAC Input Values 198
- 2’s Complement Data Format 201
- I and Q Interleaving 201
- Waveform Structure 203
- I/Q File 204
- Waveform Phase Continuity 205
- Waveform Memory 208
- Memory Allocation 210
- Memory Size 212
- Waveform Data Encryption 214
- File Transfer Methods 215
- SCPI Command Line Structure 215
- FTP Procedures 220
- Creating Waveform Data 222
- Code Algorithm 223
- Downloading Waveform Data 228
- Using Simulation Software 229
- Playing the Waveform 235
- Verifying the Waveform 236
- Using the Download Utilities 237
- E443xB Data Format 238
- Marker 3 and 4 bits 240
- C++ Programming Examples 242
- MATLAB Programming Examples 265
- HP Basic Programming Examples 277
- Mode Setup 287
- Signal Generator Memory 291
- Checking Available Memory 295
- Bit File Type Data 298
- Start block data 299
- Binary File Type Data 301
- User File Size 302
- Downloading User Files 306
- Modifying User File Data 312
- 2499 only) 316
- Understanding PRAM Files 320
- Viewing the PRAM Waveform 322
- PRAM File Size 323
- Extracting a PRAM File 329
- Modifying PRAM Files 331
- Data Requirements 332
- Data Limitations 332
- Save and Recall SCPI Commands 335
- User File Download Problems 350
- PRAM Download Problems 351
- Numerics 355
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