OEM 230 Series Drive User Guide
The OEM 230 Series consists of the OEM230, OEM330, OEM530
and the OEM530-D drives. OEM 230 Series Drives are high-performance, bipolar, chopper-regulated stepper drives designed for optimum performance in low and medium power applications. A recirculating chopper regulator improves operating efficiency, minimizes power consumption and reduces motor and drive heating. They may be powered directly from DC supplies or the secondary winding of a centre tapped isolating transformer. One transformer, or one DC supply can power several drives in a multi-axis system. Separate logic and motor supply inputs allow you to use up to a 60-volt DC motor supply, providing extra torque at high speeds.
The motor current selecting link, mounted on the drive, allows you to configure the drive for a wide range of stepper motors. OEM 230 Series Drives operate rotary stepper motors at resolutions of either 200 steps/rev (full-step) or 400 steps/rev (half-step), and can also be used to operate linear stepper motors. Motor short-circuit protection is assured across and between phases (not phase-to-ground).
The drives are suitable for use with hybrid and permanent magnet stepping motors having 4, 6, or 8 leads. The drive may be mounted in a rack or by means of the fixing holes provided.
The drives can be used as stand alone units with separate control inputs and motor connection/power inputs. An on-board clock can be used to control drive motion or an external step/direction source can be used. The step, direction and shutdown inputs are fully opto isolated for maximum noise immunity, but they can be configured as single ended non-isolated inputs.
The system may be configured to allow the step signal to be provided by the on-board step source. Two separate programmable speeds are available. These are set by resistors connected to the D-type connector and may be selected remotely, with controlled acceleration and deceleration between the two speeds. When the on-board clock source is used, a controller with access to the ‘clock monitor’ signal can use the Fast, Slow and Direction inputs to control motor movement.
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