Moons' SR4 - 2 Block Diagram; 3 Specifications; 3.1 Electrical Specification; 3.2 Ambient Specification

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MOONS’
SR4/SR8 Stepping Motor Drive User Manual
www.moons.com.cn
2 Block diagram
3 specifications
3.1 Electrical specification
Parameter Min. Typ. Max. Unit
SR4 24 - 48
Power Supply
SR8 24 - 75
VDC
SR4 1 - 4.5
output Current(Peak)
SR8 2.4 - 7.8
Amps
Input signal Average Forward Current 6 10 15 mA
Step Frequency 2 - 2M Hz
“STEP” Minimum Pulse Width Hi and low 250 - ns
“DIR” Minimum Pulse Width 50 - - us
Under Voltage Protection - 20 - VDC
SR4 - 60 -
Over Voltage Protection
SR8 - 85 -
VDC
Input signal Voltage 4.0 - 28 VDC
“OUT” Maximum Output Current - 100 mA
“OUT” Maximum Output Voltage - - 30 V
Driver Initialization time - - 2.5 S
3.2 Ambient specification
Heat Sinking Method Natural Cooling or Force Cooling
Use Condition Avoid Dust, Oil fog and causticity air
Operating Temperature 0-40°C [32 - 104°F]
Maximum Ambient Humidity 90%RH9(No dew or bead)
Shock 5.9m/s² max
Use Ambient
Storage Temperature -10-70°C [14 - 158°F]