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Gorm User

Joined: 18 Aug 2008
Posts: 4
Location: Denmark
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Posted: Mon Aug 18, 2008 11:40 am Post subject: How do I make the trigger work? |
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Hi.
Setup:
ADC11/10 data logger,
PLW Recorder ver. 5.20.1
Requirement: signal on channel 1 starts logging channel 2.
The signal on channel 1 goes from 2V to 0 when we wants to log channel 2.
No matter how I try to set up the recorder it stays in the state saying 'Ready to start'.
My settings are now:
Fast block,
Action at end of run: Repeat immediately
Restart delay. 3 seconds.
ADC-11 (USB)
Channel 1 named Squelch
Channel 2 named RSSI, Trigger enabled, Direction: Falling, Channel 1, Threshold: 800 mV, Delay: 0%, Auto trigger after 1000 mS.
No of samples: 500
Number of samples stays konstant.
Filename: NONAME1.PLW.
I can see on the Recorder picture that the level on channel 1 goes to zero when I try to trigger.
What is wrong, please??
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picojohn Site Admin

Joined: 11 Jun 2007
Posts: 391
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Posted: Tue Aug 19, 2008 11:34 am Post subject: |
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Hello Gorm,
I have successfully tried your setup and wonder if you have remembered to select 'File' > 'New data' before attempting to record?
Regards
John
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Gorm User

Joined: 18 Aug 2008
Posts: 4
Location: Denmark
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Posted: Tue Aug 19, 2008 12:16 pm Post subject: |
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Hi John.
Yes, I have selected a file. I have added some screendumps from setting up the PLW-recorder.
When I try to play back the files (I have had up to five different files) the player says '0 samples'.
Regards Gorm.
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Gorm User

Joined: 18 Aug 2008
Posts: 4
Location: Denmark
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Posted: Tue Aug 19, 2008 3:26 pm Post subject: |
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Hi John.
I have worked some more with the setup, and I now figured out how to use it in this application.
The first thing was finger troubles and a bit of misunderstanding in reading the manual. The second is I have to be very careful how to wire the trigger input. The slighest noise will destroy everything, so a very good filter is necessary.
Thanks for your assistance.
Regards Gorm.
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picojohn Site Admin

Joined: 11 Jun 2007
Posts: 391
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Posted: Tue Aug 19, 2008 3:56 pm Post subject: |
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Hi Gorm,
Please de-select 'Auto trigger after'.
Click on the 'start' icon in Recorder before the initial trigger, to set the recorder.
I believe the above should solve the problem
Regards
John
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Gorm User

Joined: 18 Aug 2008
Posts: 4
Location: Denmark
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Posted: Wed Aug 20, 2008 5:29 am Post subject: |
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Hi John.
Yes, it worked.
Thanks.
Gorm.
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