2 axis closed loop stepper motor driver
USB/RS-485 | PMX-2ED-SA Arcus Technology

Advanced 2-axis Controller + Microstep Driver with USB 2.0 and RS-485 Communication
Specifications

2 Axis Advanced Motion Controller
USB 2.0 and RS-485 communication
Built in X and Y axis microstep drivers (1.5 Amp/8 microstep/24 VDC)
Trapezoidal or s-curve acceleration
On-the-fly speed change
XY linear coordinated motion
Homing using Home and/or Index encoder channel
Opto-isolated +Limit, -Limit, and Home inputs per axis
Single-ended or differential quadrature encoder inputs per axis
Opto-isolated Digital Inputs (8)
Opto-isolated Digital Outputs (8)
Analog inputs 10-bit resolution (2)
Built-in joystick control for XY axes
StepNLoop closed loop algorithm
BASIC-like standalone programming language
Multi-task programming support