DC Current Detection Module Relay Switch Sensor Digital Display Motor Controller 12V Item Type: DC Current Detection Module Product Model: YYI-2. When the detection current is too large or too small, the control relay switch will control the circuit to be on or off, or give a signal; Detection Accuracy: 0.01A (10mA) Error Calibration: With error calibration function, and the display can be turned off for a long time to reduce power consumption; Standby Current: About 20mA; Relay Output: Can control the on and off of DC lines within 10A; Function Description: 1. P-11: When the measured current is greater than I1, the relay is closed; when the measured current is less than I1 again, the relay is disconnected; 2. P-12: When the measured current is greater than I1, the relay is closed; and it will always stay closed until the circuit board is powered off; 3. P-21: When the measured current is greater than I2, the relay is closed; when the measured current is less than I1, the relay is disconnected; 4. P-22: When the measured current is greater than I2, the relay is closed; and it will always stay closed until the circuit board is powered off; 5. P-31: When the measured current is less than I1, the relay is closed; when the current is greater than I2, the relay is disconnected; 6. P-32: When the measured current is less than I1, the relay is closed; and it will always stay closed until the circuit board is powered off; 7. P-41: When the measured current is between I1 and I2, the relay is closed, otherwise the relay is disconnected; 8. P-42: When the measured current is between I1 and I2, the relay is closed; and it will always stay closed until the circuit board is powered off; 9. P-51: When the measured current is less than I1 or greater than I2, the relay is closed, otherwise the relay is disconnected; 10. P-52: When the measured current is less than I1 or greater than I2, the relay is closed; and it will always stay closed until the circuit board is powered off; Setting Instructions: 1. Power on to display the measured current; (if the measured current terminal is suspended, the number of digital display is normal); 2. The first time K1 is pressed, it takes more than 1 second to be effective to prevent false triggering. The screen displays: P 11: K2 adjustment mode, K3 adjustment function; 3. Press K1 for the second time, the screen flashes: 0.05 means that the value of the threshold I1 is 0.05A; K2 sets I1 plus, K3 sets I1 minus; 4. Press K1 for the third time, the screen flashes: 0.10 means the value of the threshold I2 is 0.1A; K2 sets I2 plus, K3 sets I2 minus; 5. Press K1 for the fourth time, the screen displays the measured current; it means it enters the standby state; 6. In standby mode, long press K2 or K3 to fine tune the measured current error.