Table of contents |

# KStep 1.2 Hardware

Parameter | Specification
--- | ---
Micro Stepper Drivers
Type | Bipolar Dual Full Bridge Chopper Drivers
Number | 4
Microstepping | 16X
Supply Voltage | 12-48VDC Common
Motor Coil Current | Jumper Programmable 8 levels (0.6 - 5A)
Max Step Rate | 500KHz
Logic Inputs (Step,Dir,Enable,Relay PWM,MuxCtrl)
Voltage | 3.3V LVTTL (2.4V min High 0.4V max low)
Current | 16ma max
Analog
Number | 1 fully Isolated
Input Supply Range | 5-30V
Output Impedance | <1K ohm
Response, Tau | 10ms
Inputs
Type | Opto Isolated Common Anode
Number | 16
Internal Series Resistor | 10K ohm
Min On Voltage | 11V
Max Allowed Voltage | 25V
Max Off Voltage | 1.0V
Outputs
Type | Opto Isolated
Number | 2
Type | Opto Isolated Darlington
Max Voltage | 30V
Max Current | 100ma
Voltage Clamp
Power peak | 1KW
Power Average (3 sec) | 10W
Levels | Jumper Programmable (13V, 25V,37V,49V)
5V Logic Supply
Voltage | +5V ± 5%
Max Current | 0.05 A
3.3V Logic Supply
Voltage | +3.3V ± 5%
Max Current | 0.05 A
Terminal Strips
Screw Terminals | 24 Pluggable Screw Terminals (6) x 4 pin 5mm pitch
Environment
Operating Temperature | 0-40º C
Storage Temperature | 0-40º C
Humidity | 20-90% Relative Humidity, non-condensing
Dimensions
Length | 5.5 inches (140 mm)
Width | 6.0 inches (151 mm)
Height | 1.0 inches (24 mm)
Green
RoHS | Compliant