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Weeder Technologies...

Technologies...

www.weedtech.com...

Voice/Fax 850-863-5723...

90-A Beal Pkwy NW, Fort Walton Beach, FL 32548...

Stepper Motor Driver...

Drives a unipolar stepper motor rated between 8-30 VDC, and up to 4A. DIP switch addressable stack up to 32 modules on the same port for multiple axes. S-curve acceleration and deceleration slope profiles provide smooth start/stop motion. User programmable ramp rate, velocity, and idle reduction current. 24-bit absolute motor position counter. Normally-open limit switch input. Supports single phase, dual phase, and half-step drive modes. All user configuration data and motor position counter stored in non-volatile memory. Industry standard RS-232 interface. Meets all EIA/TIA-232E and V.28 specifications. Screw-terminal connectors used on all inputs and outputs....

SPECIFICATIONS...

Drive Type Drive Current Idle Current Step Rate Limit Switch Processor Clock Communications Power Requirements Current Draw Operating Temperature Board Dimensions Weight Page 1 Quad, open-drain MOSFET 4A maximum PWM, selectable in 10% increments Up to 1250 pps Normally-open, direction sensitive PIC16F628 4 MHz 9600 Baud, N, 8, 1 +8 to +30 VDC 9 mA, plus current drawn by motor -20 C to +80 C 3.1" x 2.0" x 1.0" 1.9 oz...

DESCRIPTION...

Connects to the RS-232 serial port of a PC, laptop, or other host. Directly drives a unipolar stepper motor using precise positioning and tracking algorithms. Simple coordinates sent from the host will advance stepper motor to an exact position in the range of 0 to 16,777,215. Host can also instruct motor to move in either direction until a limit switch has been triggered, or use a basic single-step mode which is host incremental. S-curve acceleration/deceleration slope profiles are automatically generated and incorporated into any multiple step sequence, independent of host. Thus reducing stall conditions during acceleration, and overrun conditions during deceleration. Ideal for use in cost sensitive, open-loop, precision motion control applications requiring a minimal user learning cycle....

Copyright 2000-2009 by Weeder Technologies...

Weeder Technologies...

TABLE 1 ADDRESS SETTING...

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STACKABLE DATA MODULES...

All modules in this series incorporate two EIA/TIA-232E serial ports which communicate at 9600 baud, no parity, 8 data bits and 1 stop bit. DB9 connectors are jumpered to satisfy hardware handshaking. The port labeled HOST'' is confi...

Document Keywords

Unipolar Stepper Motor Driver wtsmd

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About WEEDER TECHNOLOGIES

Stackable RS232 Data Acquisition and Control cards with Window's software. Ideal for low - cost, fast - setup applications using a laptop or PC. USB port compatible.

Contact

8508635723

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