68 • Chapter 11 SDM-20640/20620 DMC-21x3 Accessories
Electrical Specifications
DC Supply Voltage: 12-60 VDC
Max Drive Current (per axis) 3.0 Amps (selectable with AG command)
Max Step Frequency 3 MHz (microsteps)
Motor Type Bipolar two-phase
Switching Frequency 60 kHz
Minimum Load Inductance: 0.5 mH
Layout
Figure 33 SDM-20640 Dimensions
Overall Dimensions: 6.92” x 5.11”
Pinout
JX1 Motor Output X (4pin Molex) JY1 Motor Output Y (4pin Molex)
1 XMOB+ 1 YMOB+
2 XMOA+ 2 YMOA+
3 XMOB- 3 YMOB-
4 XMOA- 4 YMOA-
MOTOR
PINOUT
POWER PINOUT