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Andsem
Nou Venit
Joined: 16 Jan 2014
Posts: 1
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 Posted: Thu Jan 16, 2014 2:03 pm Post subject: Circuit not found or port error! |
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Hello,gathered interface max 232 cpe. When the program starts writes: Circuit not found or port error! When testing program itester parameter TPM out parameter is changed every 5 seconds, TPM in constantly -1.Using a voltmeter, check the voltage
between GND and each TPM wires, 4.5V when itester shows '1' and at 0.6V when is '0' .The same validation on another computer. In what there can be a problem. Thank you! |
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victor
S.F. Boss
Joined: 07 Mar 2004
Posts: 2581
Location: Staff
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| Posted: Thu Jan 16, 2014 3:36 pm Post subject: |
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Hello,
The interface has problems, I need to see the polarity of those elcos and the PCB side.
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Victor Voinea
ALLservice HQ, Romania. |
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