XLT50-D/XLT50-S 3-AXIS STEPPER DRIVE
11
Functional Specification
Parameter
Value
Amplifier type
MOSFET chopper
Motor resolution
400, 800, 2000, 4000 steps/rev
Maximum stepping rate
200kHz at 4000 steps/rev
Nominal chopping frequency
20kHz (XLT50)
Protection circuits
Short circuit (phase-to-phase, across phases
and phase to ground), motor overcurrent,
over/under voltage, logic supply fault
Maximum output current
XLT50: 5A peak +/-10%
Output current adjustment
50%, 64%, 80% & 100% of maximum
current, switch selectable
Standby current reduction
50% or 70% selected by solder bridge
Standby reduction time
30mS from last step pulse
Nominal motor bus voltage
80V DC
Supply voltage, DC operation
XLT50: 40 to 84V absolute limits
Motor inductance range (recommended)
0.8 - 10mH
Step and Direction input levels
Differential TTL
Minimum ON state current 6.3mA
Maximum current 15mA
Differential ON state voltage 3.5V min.
Differential maximum voltage 5V
Maximum –ve input voltage 0.5V (for
XLT50-S)
Fault & Zero phase outputs
Open collector outputs
Maximum current 15mA max.
On state voltage 0.8V max.
Maximum open collector voltage 30V max.
Table A-7. Functional Specification
