ET250 Step Motor Driver

The ET250 is a 4A 42V motor driver that fits a single height Eurocard 32-pin DIN format. This drive can replace the SGS D200 or the SGS D250M in many but not all cases. Micro-stepping is currently supported only up to 10:1. The higher current is supported via a larger heat sink which enables excellent cooling.

The key features are:

4.0 Amp continuous up to 42V DC.
Full, half, 4:1, 8:1 or 10:1 stepping.
5V, 12V, or 24V optically isolated step and direction inputs.
High speed 31kHz current chopping circuit.
Minimum Pulse width 2.5 microseconds.
95% digital circuit design for reduced part count -- increased reliability.
Single HV-DC supply; on-board regulator for logic supply.
Large heat sink for excellent cooling.
Board dimensions are 160mm X 100mm (6.20 x 3.94) DIN32 pluggable on rails.

Limitations: This card will currently only perform at most 10:1 microstepping. It does not support bus-card programming of the micro-stepping settings. It does not provide a sync out signal.