EXFO EA-4000 SCPI Sampling Oscilloscope User Guide
- June 13, 2024
- EXFO
Table of Contents
EXFO EA-4000 SCPI Sampling Oscilloscope
How to control EA with VISA resource name
Please fallow this SOP
- Open the INO-EA GUI which you are using
- Select from system bar [Setup] ➔ [Config VISA]
- Copy VISA resource name
- Paste VISA resource name into your program
Setup for API to control EA7000 on PC
Before SCPI to control EA7000, please open EA7000 GUI and connect the EA7000
SCPI Function Description
Reset
- *RST
It should be used with OPC Query
OPC Query
If you set multiple commands at the same time, you must use OPC.
- *OPC
- *OPC?
Identification Query
- *IDN?
RunCapture
Start to capture signal
- :RUN
ClearData
Clear eye diagram and measurement results
- :CDISplay
AutoScale
Scale eye diagram automatically
- :AUToscale
Channel Select
Configure EA7000 channel settings.
Acquisition Waveforms
Configure EA7000 waveforms settings.
EnableMeasurements
Enable measurement items
| Item | SCPI Command |
|---|---|
| One Level | :MEASURE:EYE:OLEV |
| Zero Level | :MEASURE:EYE:ZLEV |
| Min Level | :MEASURE:EYE:VMIN |
| Max Level | :MEASURE:EYE:VMAX |
| Peak to Peak | :MEASURE:EYE:VPP |
| Eye Amplitude | :MEASURE:EYE:AMPL |
| Eye Height | :MEASURE:EYE:EHE |
| Eye Width | :MEASURE:EYE:EWID |
| Rise Time | :MEASURE:EYE:RIS |
| Fall Time | :MEASURE:EYE:FALL |
| Jitter PP | :MEASURE:EYE:JITT:FORMat PP |
| Jitter RMS | :MEASURE:EYE:JITT:FORMat RMS |
| Crossing % | :MEASURE:EYE:CROS |
| Extinction Ratio | :MEASURE:EYE:ERAT |
| AOP uW | :MEASURE:EYE:APOW |
| AOP dB | :MEASURE:EYE:APOW |
| OMA | :MEASURE:EYE:OMAM |
| VECP | :MEASURE:EYE:VECP |
| SNR | :MEASURE:EYE:ESN |
GetMeasurements
Get the measurement results
| Item | SCPI Command |
|---|---|
| One Level | :MEASURE:EYE:OLEV? |
| Zero Level | :MEASURE:EYE:ZLEV? |
| Min Level | :MEASURE:EYE:VMIN? |
| Max Level | :MEASURE:EYE:VMAX? |
| Peak to Peak | :MEASURE:EYE:VPP? |
| Eye Amplitude | :MEASURE:EYE:AMPL? |
| Eye Height | :MEASURE:EYE:EHE? |
| Eye Width | :MEASURE:EYE:EWID? |
| Rise Time | :MEASURE:EYE:RIS? |
| Fall Time | :MEASURE:EYE:FALL? |
| Jitter PP | :MEASURE:EYE:JITT:FORMat PP? |
| Jitter RMS | :MEASURE:EYE:JITT:FORMat RMS? |
| Crossing % | :MEASURE:EYE:CROS? |
| Extinction Ratio | :MEASURE:EYE:ERAT? |
| AOP uW | :MEASURE:EYE:APOW:UNIT uW |
:MEASURE:EYE:APOW?
AOP dB| :MEASURE:EYE:APOW:UNITDBM
:MEASURE:EYE:APOW?
OMA| :MEASURE:EYE:OMAM?
VECP| :MEASURE:EYE:VECP?
SNR| :MEASURE:EYE:ESN?
SavePic
Capture GUI screen and save it
- :DISK:SIMage:FNAMe “D:\SFPPLUS EYE\12345.JPG” “D:\SFPPLUS EYE\12345.JPG”: Path of saving picture
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