Dear Peter,
2. Yes, you are right. It is ALARM staying on 2.8 seconds when power on, and ALARM blinking when leakage current 264mA.
3. We could try to fasten VCC, then test again.
4. NO, we removed D6, the oscilloscope probe is measure D6 p ositive pad.
5. …
Part Number: AFE3010 1. If SEL is floating, thus relinquishing the SCR test, do we still need to connect the SCRTST pin to phase? Should it be left floating?
2. In case SCRTST pin is needed, is the diode that is shown in series with the solenoid coil…
Hello Lawrence,
I will close out this thread and mark as resolved assuming you have no more questions; however, if you do have any more questions please do not hesitate to ask them here or create a new thread.
Sincerely,
Peter
Hello Lin,
To distinguish between a self-test fail (EOL condition) and a ground fault, there are two options:
A. SWOPEN = float. Constantly monitor SCR or load switch. If SCR is fired (or load switch opened), then monitor ALARM for ~2 seconds. If ALARM…
Part Number: AFE3010 Dear team,
It 's my customer rebuild a schematic external configuration considering your advice that is still have some problems when Alarm could not be removed.
Would you please help check the parameters and schematic for this…
Part Number: AFE3010 Hi, I was wondering if it was possible to use the AFE3010 to monitor a 3phase supply - specifically an avionics supply (so 400Hz, 115Vrms) for GFI?
Thanks, Tom
Part Number: AFE3010 Does AFE3010 operate normally if all connections to the line are interrupted? The power for the AFE3010, shown in the diagram as a 14VDC source, would come from the cold side, where the microcontroller unit sits. The only connection…
Hi Peter,
If that is the case to test Ground fault functionality in Eval board working from IC point of view, Shall we open any components belongs to FB pin or OUT pin? Will SCR pin generate the fault?
Example: Open Rin=75ohm from evaluation board. Will…
Part Number: AFE3010 Hello,
I am using DPDT relay instead of solenoid with AFE3010.
In my circuit the relay coil is control through the SCR. The coil resistance is 32K.
While testing this circuit, SCR turned on. When I change relay with another relay…
Hey Hanshraj,
1. How long are the pulses? Sometimes SCR pulses can last an entire line cycle. It depends on when the fault occurs, but since the fault is already there device will fire as soon as possible and thus may stay on for entire line cycle. I…