❤【24 MONTHS LONGER WARRANTY】We will provide a long-term warranty service of up to 24 months.If there is a problem with the product, please contact me before evaluating the product. I will try my best to help you (including full refund, return exchange).【NOTES】 Only suitable for motherboards with socket stepper driver installation(For Example, SKR E3 DIP,SKR V1.4,SKR V1.4 Turbo and so on) Can not suitable for integrated driver motherboards(For Example, SKR mini E3) S42B V2.0 Closed Loop Driver Control Board Specification： Motor power supply (VM): 12V---24V Default working current of the motor: 800mA Drive subdivision default: 16 subdivision Subdivision number: 2 4 8 16 32 Maximum current: 1650mA Maximum speed: 1000RPM Main control chip: STM32f103cbt6, Crotex-M3, clocked at 72MHz 【ATTENTION】 1 、When inserting the adapter board, please pay attention to the direction of the adapter board. Notice the motor and the loop chain wiring sequence! 2、For the first time, the closed-loop driver board must be connected to the motherboard with firmware, and then the encoder shall be calibrated. The calibration time will take 1-2 minutes 3、Check if the driver is installed when connecting to the computer with the serial port. 4、When the data displayed on the display or serial port is abnormal, please remove the closed-loop driver board and check if the magnet on the motor shaft is in the center position. If not, please return it to the center for recalibration. 5 、After completing the calibration, do not set it immediately after power-on. Please wait for the initialization to complete (1-2s) before setting the parameters. 6、Please do not manually turn the motor after power on. 7、The distance between the magnet at the center of the motor shaft and the core encoder should be greater than 2mm. 8 、Full stability of machine structure must be guaranteed
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