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Agilent N516xA, N518xA, E8663B, E44x8C, and E82x7D Signal Generators Programming Guide 47
Using IO Interfaces
Using LAN
Using LXI
NOTE LXI Class B Compliance Disclaimer
As of this product firmware release in June 2008, LXI Class B Compliance Tests, using the
new IEEE 158802008 Precision Time Protocol (PTP), were not available. This product
provides the features of an LXI Class B instrument by adding LAN Triggering and Time
Synchronization to its LXI Class C compliance. References to LXI Class B in the document
and in the instrument menus and web pages do not insure LXI Class B compliance. This
product will apply for LXI Class B Compliance when the LXI Consortium has approved its
specification changes and can provide certified testing. Refer to
http://www.lxistandard.org/home.
LXI–B is only available on instruments with serial prefixes >US/MY/SG4818.
This document assumes general familiarity with the LXI–C class of instruments and aims to clarify a
number of general use cases for measurement synchronization between an MXA and an MXG using
tools provided by the LXI–B standard. Refer to http://www.lxistandard.org/home and to
www.agilent.com/find/lxi.
This LXI section contains the following:
• “IEEE 1588” on page 47
• “Peer to Peer Messaging” on page 49
• “Configuring LXI Triggers” on page 50
• “Using the LXI Event Log” on page 52
• “Setting up and executing a list sweep measurement” on page 52
• “Synchronize a List Sweep Measurement Between an MXA and an MXG using Peer to Peer
Messages” on page 53
• “For More Information” on page 58
IEEE 1588
The IEEE 1588 standard defines a Precision Time Protocol (PTP) for synchronizing various clocks
connected by Ethernet. This will give your measurement instrumentation a common sense of time. To
ensure that the MXA and MXG are operating with synchronized PTP clocks, follow the procedure
outlined in the table below.
Time Synchronization using an MXA Signal Analyzer and a MXG Signal Generator
To ensure that the MXA and MXG are operating with synchronized PTP clocks, follow this procedure:
1. Connect the MXA and MXG to the same Ethernet switch and the ensure that both instruments
are configured for LAN operation.
2. Power on the MXA and MXG.
- Agilent Technologies 1
- E8257D PSG Signal Generators 1
- Programming Guide 1
- Change Record 2
- Contents 10
- Documentation Overview 11
- interfaces: 14
- Interfaces 16
- Agilent IO Libraries Suite 18
- Programming Languages 22
- Using the Web Browser 23
- Agilent MXG Web Server On 24
- ESG/PSG/E8663B Web Server On 24
- Preferences 29
- Getting Help (Agilent MXG) 30
- Getting Help (ESG/PSG/E8663B) 30
- Troubleshooting 31
- Error Messages 32
- Error Message Types 33
- 2 Using IO Interfaces 35
- Using IO Interfaces 36
- Using GPIB 36
- Set Up the GPIB Interface 37
- Verify GPIB Functionality 38
- GPIB Interface Terms 39
- Using LAN 41
- Setting Up the LAN Interface 42
- Setting up Private LAN 46
- Verifying LAN Functionality 46
- Using VXI–11 51
- Using Sockets LAN 52
- Using Telnet LAN 53
- Figure 2-7 Telnet 2000 Window 56
- Using FTP 57
- Figure 2-8 FTP Screen 58
- Using LXI 59
- Character Format Parameters 75
- If You Have Problems 75
- Using USB (Agilent MXG) 78
- Setting Up the USB Interface 79
- 3 Programming Examples 81
- Running C++ Programs 82
- Running C# Examples 83
- Running Basic Examples 83
- Running Java Examples 84
- Running MATLAB Examples 84
- Local Function 88
- Clear Function 88
- Output Function 89
- Programming Examples 100
- Figure 3-1 121
- VXI-11 Programming 124
- Sockets LAN Programming and C 128
- Queries for Lan Using Sockets 131
- Before Using the Examples 154
- Overview 161
- Status Register Bit Values 172
- Determining What to Monitor 173
- Deciding How to Monitor 173
- Status Register SCPI Commands 175
- Status Byte Group 179
- Status Byte Register 180
- Status Groups 181
- Standard Event Status Group 182
- STATus:OPERation:CONDition? 185
- Register) to 1 195
- Condition Register) to 1 201
- Condition register) to 1 204
- Understanding Waveform Data 211
- LSB and MSB (Bit Order) 212
- 1 0 1 1 0 1 1 1 213
- 1 1 1 0 1 0 0 1 213
- Byte Swapping 214
- DAC Input Values 214
- 2’s Complement Data Format 217
- I and Q Interleaving 217
- Waveform Structure 219
- Waveform Phase Continuity 221
- Waveform Memory 224
- Memory Allocation 226
- Memory Size 228
- Non–Volatile (NVWFM) Memory 230
- Option Size 230
- E4438C and E8267D 230
- Standard 3 MSa (15 MB) 230
- File Transfer Methods 231
- SCPI Command Line Structure 232
- FTP Procedures 236
- Creating Waveform Data 239
- Downloading Waveform Data 245
- Using Simulation Software 246
- Playing the Waveform 252
- Verifying the Waveform 253
- Using the Download Utilities 254
- E443xB Data Format 256
- Marker 3 and 4 bits 257
- C++ Programming Examples 259
- —Big and Little Endian Order 259
- _iq_c++.txt.” 259
- MATLAB Programming Examples 280
- _iq_ml.m.” 280
- HP Basic Programming Examples 292
- Mode Setup 300
- Signal Generator Memory 303
- Checking Available Memory 307
- Bit File Type Data 310
- Start block data 311
- Binary File Type Data 313
- User File Size 314
- Downloading User Files 318
- Modifying User File Data 324
- 2499 only) 329
- Understanding PRAM Files 333
- Viewing the PRAM Waveform 335
- PRAM File Size 336
- Extracting a PRAM File 342
- Modifying PRAM Files 344
- Data Requirements 345
- Data Limitations 345
- Save and Recall SCPI Commands 348
- User File Download Problems 363
- PRAM Download Problems 364
- Numerics 367
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