The JYMC-220B-I is a high-performance DC motor speed controller commonly used in mini lathes like the CJ0618. It operates on 230VAC and provides a variable 0-180VDC output at up to 12ADC. Core Specifications Input Voltage: 230VAC, 50/60Hz. Output Voltage: 0-180VDC. Rated Current: 12ADC.
The JYMC-220B-I Go to product viewer dialog for this item. is a high-reliability DC brush motor speed controller commonly used in mini lathes like the CJ0618. It utilizes SCR (Silicon Controlled Rectifier) technology to provide precise variable speed control, typically outputting 0-180VDC from a 230VAC input. Wiring & Connection Guide jymc220bi schematic full
is generally not published by the manufacturer, as these proprietary Chinese boards are typically sold as replaceable modules rather than serviceable components. However, this board heavily relies on standardized industrial motor control principles. The JYMC-220B-I is a high-performance DC motor speed
R1 = 22 kΩ
R2 = 4.7 kΩ
VOUT = 0.6 × (1 + 22k/4.7k) ≈ 9.0 V
Current limit or IR compensation to maintain speed under load. Current limit or IR compensation to maintain speed