SoftStep Drives
R213S Roadrunner
A drop-in replacement for Gecko drives — and for almost anything else on 20–80 V.
Seven-amp bipolar micro-stepping drive that always runs at 256 micro-steps per step, whatever step rate you feed it. Screw it to your cabinet and the heatsink is done.
Direct replacement for Gecko Drives
- DC input
- 20–80 V
- peak (5 A RMS)
- 7 A
- always micro-steps
- 1/256
- step response
- 5 MHz
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R213S Roadrunner specifications
Hardware
- 20–80 volt input power
- Current drive 1 to 7 amp, resistor programmable
- Opto-isolated logic inputs: step clock, direction
- Step frequency response to 5 MHz
- Bipolar 4-wire H-bridge D-MOS drive
- Electronic fusing for motor faults and mis-wiring
- Thermal shutdown
- Status indicator — no fault
- Mechanical outline 2.5 in (63.5 mm) x 2.5 in (63.5 mm) x 0.825 in (21 mm)
- Operating 0 to 70 C at heatsink
- Dual 8-bit D/A for current control
- Flash waveform tables; flash programmable logic
- I/O connector options
- Jumper-selectable micro-step resolution
- Chopper-stabilised zero-crossing commutation — near-perfect sine wave drive, no clicks
- Extremely high efficiency — just screw down to your metal cabinet
Firmware
- Current reduction 0.5 sec after last step input
- Optional motor waveform matching to eliminate velocity and torque ripple
- Customisable for OEMs to add indexer and control functions
- Fully compatible with Gecko Drive
- Micro-step resolutions 2, 1, 1/2, 1/4, 1/5, 1/8, 1/10, 1/16, 1/25, 1/32, 1/50, 1/64, 1/125, 1/128, 1/250, 1/256
- Always micro-steps at 1/256 or 1/250
- Optional quadrature input, noise filtering, multi-step input, CW/CCW
- Automatic calibration at power up
Other motion & automation products
SoftStep Drives SS483 Series Second-source compatible with the IM483 — at higher performance and lower cost. Drive Systems 4X483SQ Four axes, power supply, I/O and cabling in one box — plug it into a parallel port. Motion Systems SS4544 SyncroStep Everything is programmable. No pots, no switches, no jumpers.
Get in touch
Tell us what the machine has to do.
Pricing is quoted per application. Call sales, or send the axis count, motor sizes and duty cycle and we will come back with a configuration.