
5Rev.1.0
31/08/2020
SRX02 Hardware Manual
3 Technical Specications
Power Amplier
Amplier Type Dual H-Bridge, 4 Quadrant
Current Control PWM at 16KHz
Input Voltage
Range
SRX02: 12-48 VDC Low Voltage Point: 11 VDC Over Voltage Point: 53 VDC
SRX04: 24-48 VDC Low Voltage Point: 18 VDC Over Voltage Point: 53 VDC
SRX08: 24-70 VDC Low Voltage Point: 18 VDC Over Voltage Point: 80 VDC
Output Current
SRX02: 0.3 ~ 2.2 A/phase(peak-of-sine)
SRX04: 1.0 ~ 4.5 A/phase(peak-of-sine)
SRX08: 2.4 ~ 7.8 A/phase(peak-of-sine)
Idle Current Reduction to 50% or 90% of running current after 1 second. Switch selectable.
Protection Over voltage, under voltage, over temp, over current, open winding
Controller
Auto Test &
Auto Setup
Auto test and setup at power on (ie. motor resistance and inductance) to optimize
your system performance.
Self Test The drive will perform a 2 rev, 1 rps, CW/CCW move test. Switch selectable
Control Modes Step & Direction or CW/CCW pulse. Switch selectable
Microstep
Resolution
200, 400, 800, 1600, 3200, 6400, 12800, 25600, 1000, 2000,
4000, 5000, 8000, 10000, 20000, 25000 step/rev, Switch selectable
Microstep
Emulation
Performs high resolution stepping by synthesizing coarse steps into ne microsteps,
Switch selectable
Digital Input
3 Digital Inputs
STEP: Pulse or CW INPUT, Optically isolated, dierential, 5-24VDC for high level volt-
age, minimum pulse width = 250ns, maximum pulse frequency = 2MHz
DIR: Direction or CCW INPUT, Optically isolated, dierential, 5-24VDC for high level
voltage, minimum pulse width = 250ns, maximum pulse frequency = 2MHz
EN: Motor enable, Optically isolated, dierential, 5-24VDC for high level voltage, mini-
mum pulse width = 100μs, maximum pulse frequency = 5KHz
Input Digital
Filters 2 MHz and 150 KHz digital lter for high speed inputs. Switch selectable
Digital Output
1 Digital output
OUT: Alarm output, Optically isolated, maximum voltage 30V, maximum sinking or
sourcing current 100mA
Status LED 1 red and 1 green
Physical
Ambient 0 ~ 40°C when mounted to a suitable heat sink
Humidity 90% non-condensing