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Function description:
P-11: When the measured current > I1 (low limit current), the relay closed; When the measured current < I1, the relay opens;
P-12: When the measured current > I1, the relay closes; Maintain the state until the circuit board power off;
P-21: When the measured current > I2 (high limit current), the relay closes; When the measured current < I1, the relay opens;
P-22: When the measured current > I2, the relay closes; Maintain the state until the circuit board power off;
P-31: When measured < I1, the relay closes; When the current > I2, the relay opens;
P-32: When the measured current < I1, the relay closes; Maintain the state until the circuit board power off;
P-41: When the measured current is between I1 and I2, the relay closes, opens in other cases;
P-42: When the measured current is between I1 and I2, the relay closes; Maintain the state until the circuit board power off;
P-51: When the measured current < I1 or > I2, the relay closes, opens in other cases;
P-52: When the measured current < I1 or > I2, the relay closes; Maintain the state until the circuit board power off.
Features:
This module can detect the DC current value, control the on-off of the relay according to the limit current set by users.
Detection range is DC 0-30A with the accuracy of 0.01A.
With error calibration function.
Can turn off the LED display to reduce power consumption.
Can be used to limit the current in the circuit, protect electrical equipment from damage caused by current.
Specification:
Model: YYI-4
Supply voltage: DC 7-30V
Detection range: DC 0-30A
Accuracy: 0.01A (10mA)
Standby current: About 20mA
Weight: Approx. 86g/3.0oz
Note:
Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.
Package list:
1 * DC Current Detection Module
Setting description:
Power on, display the measured current; (if the measured current terminal is none, the LED digits will pulse)
Press K1 for the second time (for over 1s to prevent misoperation)
, the screen shows: P11, k2 adjusts mode, K3 adjusts function
Press K1 for the second time, the screen flashes: 0.05, means the threshold I1 is 0.05A, K2 increases I1, K3 increases I1
Press K1 for the third time, the screen flashes: 0.10, means the threshold I2 is 0.1A; K2 increases I2, K3 increases I2
Press K1 for the fourth time, the screen shows the measured current , enters the standby state
Long press K2 or K3 in standby state to fine-tune the error of the measured current
Tim
2025-08-20 17:52:51
POS DOA Missed return window by one thus sol
mogbill
2025-03-22 16:22:29
This is being used in a Solar Battery Gate Control System. I bought a number of boards direct from the supplier off Alibaba and had reliability and functional issues. I worked with them, and they resolved a number of functional issues, but reliability was not good from DOA to short lifetime. I started buying the boards from this Amazon reseller, and the reliability looked much better. Not sure if this is a screening effort on his part or if he purchased what I bought from him after I had worked out some kinks with the manufacturer. Now after settling on a design for the Gate Control and installing the (I had hoped) final board in place, it worked perfectly for about a year and a half, but then the current sensing function (and readout - reads all zeroes no matter what the current is passing through the sensor) quit, and I suspect that the current sensing element packed it in. For the record, the current sensor is rated at up to 30 Amps. I am using it at just 1.5 to 3 Amp range and the start current is regulated by the gate control so this is not an overstress issue.
Vicente A. Rivera
2025-03-16 12:50:31
The media could not be loaded.
JamesC
2025-03-05 20:28:00
It has numerous modes, but you will have to figure them out by trial and error. Unit comes with no instructions. No Instruction sheet offered for download....
Bob F.
2024-11-14 11:09:14
It worked well the 1st day of testing. The next day when I powered it up, it did nothing. A replacement is being sent.
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