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2000 Steps/Revolution . On-Board Programmable Simple Indexer with 2 motion profiles . Pulses From 1Hz to 50kHz . Directional Soft and Hard Limit Switch Inputs . Complete Output . Busy Output . Motor On/Off Input and Automatic Current Reduction . Short Circuit Protection Introduction The MBC10SI1 is an low cost single axis step motor driver integrated with a programmable simple indexer. The MBC10SI1 microstep driver/pulse generator has an output current capability of 1.5A minimum to 10.0A maximum (peak rating). The MBC10SI1 driver operates with a DC voltage of 20VDC to 80VDC. The MBC10SI1.s internal controller has two different programmable motion profiles. The MBC10SI1 also has directional soft and hard limit switch inputs, a busy output and a complete output letting the user know when an inded is finished. The MBC10SI1 driver features direction control and motor current On/Off capabilities. The .Reduce Current Enabled. feature automatically reduces motor current to 50% of the set value. The driver has built in features to indicate power on (green LED), running (yellow LED) and error conditions (red LED). The MBC10SI1 has a fixed step resolution of 2000 steps/ revolution for a 1.8. stepper motor. The bipolar drive configuration handles 4, 6, and 8 lead step motors and is also equipped with over current protection. The MBC10SI1 communicates via USB communication. The easy to use Windows software, SMPG-SMSI Software, is used to directly set up the two different motion profiles. Motion Profiles and Running the Indexer The programmable simple indexer has the ability to store two different motion profiles. The profiles include a base speed (starting speed), a maximum speeds (running speed), acceleration/deceleration, the number of steps (index) and a complete time (output signal). The base speed has a range of 1-5000 Hz, the maximum speed has a range of 1 Hz-50 kHz, the acceleration/deceleration has a range of 100 to 9,999,999 steps/sec2, the index has a range of 0-8,388,607 steps and the complete time has a range of 1-1000 milliseconds. There are .two ways. to get the unit to index: Examples are shown on the next page. 1) The first way is to directly control it from the computer with the software provided. Once the motion profiles have been set, the unit is ready to index. From the software, the user can select which profile to run and then click the begin index button. If a soft limit command is sent or a soft limit input is activated, then the unit will immediately ramp down to base speed and continue running until the index has completed. To stop all motion before the index has completed, a hard limit command needs to be sent or a hard limit input must be activated. 2) The second way to make the unit run is to activate the individual index input. When an index input is activated, it selects from memory the speed profile that was selected. If a soft limit input is activated, then the unit will immediately ramp down to base speed and continue running until the index has completed. To stop all motion before the index has completed a hard limit input must be activated. #L010185 2 June 2007 Motion Profiles and Running the Indexer: Continued Normal Operation A) A Profile input is activated; Ramps up to max speed. B) No limit is active; Max speed is reached (keeps running at max speed). C) No limit is active; Internal counter signals to ramp down to base speed. D) Internal Counter is complete; Base speed is reached. Pulses stop. A B C D Max Speed Base Speed Off Time Speed Soft Limit Activated During Index A) A Profile input is activated; Ramps up to max speed. B) No limit is active; Max speed is reached (keeps running at max speed). C) Soft limit is activated; Ramp down to base speed. D) Base speed is reached; Continue until counter is complete. E) Internal Counter is complete; Pulses stop. Time A B C D E Max Speed Base Speed Off Speed Hard Limit Activated During Index A) A Profile input is activated; Ramps up to max speed. B) No limit is active; Max speed is reached (keeps running at max speed). C) Hard limit is activated; Pulses stop (Index did not complete) A B C Max Speed Base Speed Off Time Speed #L010185 3 June 2007 LEDs When powered and operated properly, the status LED will be green. When a communication or program syntax error occurs, the LED will change to RED and an error code will be generated in the error code register. To read and clear the error with the software, click on the .Verify Parameters. button. To read and clear the error while in .Direct Mode. use the .!. command. Once the error has been read and cleared, the LED will return to green and the error code register will be cleared. Refer to the table in the troubleshooting section for a list of the error codes. When the indexer is running the yellow LED will be on. Refer to the dimension drawing for location of the LEDs. For more detail on .Direct Mode. refer to the Direct Talk Mode section of user.s guide. Baud Rates A term used frequently in...