According to actual requirement: According to size of the motor: 22 type Galvo head: Diameter of the motor is 22mm, most used to control mirrors with aperture value under 12mm. 28 type Galvo head: Diameter of the motor is 22mm, most used to control mirrors with aperture value above 12mm. According to the position input signal: Analog: Accept analog position control signal, single input, ± 5V analog signal. Digital: Accept digital position control signal, XY2_100 protocol.

