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1. 1 Remove the two 2 56 phillips head screws on the bottom of the drive 2 Gently lift the back of the cover upward until the LED clears the rectangular hole 3 Slide the cover backwards while still lifting until it clears the drive REPLACING THE COVER 1 Make sure the LED is vertical relative to the drive printed circuit board 2 Slide the cover forward over the drive while lifting the back of the cover GECKODRIVE INC GECKODRIVE 201 STEP MOTOR DRIVE 14662 FRANKLIN AVE MOTOR CONTROLS REV 16 August 6 2009 Senn cue 714 832 8874 3 When the cover is fully forward look to see the LED is aligned with the hole 4 Gently press the cover down making sure the LED moves into the hole 5 Replace the screws on the bottom of the drive It is recommended to use small needle nose pliers or tweezers to move the jumpers on the internal headers RESTORING FACTORY DEFAULTS To restore the G201 to the factory settings set the trimpot to the 11 o clock position and put the jumpers on STANDBY ENABLE and NORMAL on the option jumper block DISCLAIMER CERTAIN APPLICATIONS USING POWER PRODUCTS MAY INVOLVE POTENTIAL RISKS OF DEATH PERSONAL INJURY OR SEVERE DAMAGE TO PROPERTY GECKODRIVE INC PRODUCTS ARE NOT DESIGNED AUTHORIZED OR WARRANTED TO BE SUITABLE FOR USE IN LIFE SUPPORT DEVICES OR OTHER CRITICAL APPLICATIONS INCLUSION OF GECKODRIVE INC PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO BE FULLY AT THE PURCHASE2. GECKODRIVE INC GECKODRIVE G201 STEP MOTOR DRIVE 14662 FRANKLIN AVE SUITE E MOTOR CONTROLS REV 16 August 6 2009 TUSTIN CA 92780 714 832 8874 Thank you for purchasing the G201 drive The G201 microstep drive is warranted to be free of manufacturing defects for 1 year from the date of purchase Also anyone who is dissatisfied with it or is unable to make it work will be cheerfully refunded the purchase price if the G201 is returned within 15 days of the purchase date PLEASE READ FIRST BEFORE USING THE G201 Before beginning be sure to have a suitable step motor a DC power supply suitable for the motor and a current set resistor The motor s rated phase current must be between 0 3 Amp and 7 Amps The power supply voltage must be between 4 times and 20 times the motor s rated voltage The current set resistor may be a 1 4 Watt 5 part Finally have a STEP and DIRECTION pulse source available G201 TERMINAL WIRING The G201 uses a 2 piece modular main connector The connector is split in two pieces terminals 1 through 6 power supply and motor leads and terminals 7 through 12 control interface Each can be removed separately by pulling the connector body upwards and off of the mating header pins on the G201 The connectors must initially be removed to mount the G201 to a heatsink or chassis TERMINAL 1 Power Ground Connect the negative black lead of your power supply to this terminal TERMINAL 2 Power Connect the po
3. NNECTION TERMINAL 3 Phase A Connect one motor winding to this terminal TERMINAL 4 Phase A Connect the other end of the winding to this terminal TERMINAL 5 Phase B Connect the other motor winding to this terminal TERMINAL 6 Phase B Connect the other end of the winding to this terminal Connect one motor winding to terminals 3 and 4 Connect the other winding to terminals 5 and 6 Turn the power supply off when connecting or disconnecting the motor If the motor turns in the wrong direction reverse the motor winding connections to terminals 3 and 4 CAUTION Do not short the motor leads to each other or to ground damage will result to the G201 4 wire 6 wire and 8 wire motor may be used When 6 wire motors are used they may be connected in half winding or full winding This is equivalent to an 8 wire motor connected in parallel or series If a motor is connected in series or full winding the motor s phase current rating is half of its parallel or unipolar rating The choice depends on the high speed performance required a parallel connected motor will provide twice the power of a series connected motor at the same power supply voltage DISABLE PIN TERMINAL 7 Disable This terminal will force the winding currents to zero when shorted to ground TERMINAL 12 Shorting this input to ground term 7 to 12 forces winding currents to zero and stops all output switching activity The G201 will continue totalizing step and direction inp
4. R S OWN RISK In order to minimize risks associated with the purchaser s application adequate design and operating safeguards must be provided by the purchaser to minimize inherent or procedural hazards GECKODRIVE INC assumes no liability for applications assistance or the purchaser s product design GECKODRIVE INC does not warrant or represent that any license either express or implied is granted under any patent right copyright or other intellectual property right of GECKODRIVE INC GECKODRIVE INC GECKODRIVE G201 STEP MOTOR DRIVE 14662 FRANKLIN AVE REV 16 August 6 2009 MOTOR CONTROLS TUSTIN CA 92780 714 832 8874 G201A 10 uStep Drive Cover Aluminum Anodized Plate Aluminum Hard Anodized Color Black Yellow Text ADJUST POWER I R Weight 3 6 oz 100 gm i E Size 2 5 X 2 5 X 0 825 63 6 X 63 5 X 21 mm SPECIFICATIONS Supply Voltage Phase Current Auto Current Reduction Size Mounting Pattern Quiescent Current Weight GECKODRIVE 6201A 10uSTEP DRIVE 2 5000 63 5 mm 1 7500 44 5 mm 2 3750 2 5000 60 3mm 2 63 5 mm 2 3 S Se Gey el J i 2 1500 197 200 0 1500 54 6 mm 5 mm 5 08 mm 3 8 mm 24 to 80 VDC 1 to 7 Amps and 0 3 to 2 Amps 2 ranges 33 of set current 1 s
5. d as long as the voltage stays between the limits keep the ripple voltage to 10 or less for best results The drive has a 2 second power on reset time before the motor is energized CAUTION Power supply voltage in excess of 80 VDC will damage the G201 If the power supply is more than 1 foot 300 mm away from the G201 a 470uF capacitor must be connected across the G201 s power supply terminals Keep the capacitor lead length to 1 inch 25 mm or less CAUTION Never put a switch on the DC side of the power supply This will damage if not destroy your drive The choice of power supply voltage depends on the high speed performance required of the motor doubling the voltage doubles the motor s high speed power In all cases the power supply voltage should be no less than 4 times or no more than 25 times the motor s rated voltage The motor may not run as smoothly as possible if the power supply voltage is less than 4 times the motor s rated voltage A power supply voltage greater than 25 times the motor s rated voltage will overheat and damage the motor even if it is not turning Motor winding inductance should be 500uH or greater but generally no more than 7mH A more accurate calculation of power supply voltage is to find your motor s inductance and put it into the following equation 32 mH inductance Power Supply Voltage If your motor has 2mH of inductance the equation would look as follows 32 V2 45 12V MOTOR CO
6. econd after last Step Pulse 2 5 W 2 5 D 85 H 63 5mm 63 5mm 21 5mm 4 6 32 screws 1 75 by 2 375 44 5 mm 60 mm 15 Ma or less 3 6 oz 100 gm Step Frequency 0 to 200 kHz Step Pulse 0 Time 0 5 uS min Step on falling edge Temp 0to70C Step Pulse 1 Time 4 uS min Humidity Direction Setup Power Dissipation Geckodrive Inc 14662 Franklin Ave Suite E Tustin CA 92780 0 to 95 non condensing 1 uS min 20 uS min hold time after Step edge 1 to 18 W 1 to 7 Amps Phone 1 714 832 8874 Fax 1 714 832 8082 Web Site www geckodrive com 0 5000 12 7 mm
7. sitive red lead of your power supply to this terminal It must be between 18VDC to 80VDC TERMINAL 3 Motor Phase A Connect one end of your Phase A motor winding here TERMINAL 4 Motor Phase A Connect the other end of your Phase A motor winding here TERMINAL 5 Motor Phase B Connect one end of your Phase B motor winding here TERMINAL 6 Motor Phase B Connect the other end of your Phase B motor winding here TERMINAL 7 Disable This terminal will force the winding currents to zero when shorted to ground TERMINAL 12 TERMINAL 8 Direction Connect the DIRECTION signal to this terminal TERMINAL 9 Step Connect the STEP signal to this terminal TERMINAL 10 Common Connect the controller s 5VDC supply to this terminal TERMINAL 11 Current Set Connect one end of your current set resistor to this terminal TERMINAL 12 Current Set Connect the other end of your current set resistor to this terminal POWER SUPPLY WIRING TERMINAL 1 Power Ground Connect the power supply ground to term 1 TERMINAL 2 Power Connect the power supply to this terminal GECKODRIVE INC GECKODRIVE G201 STEP MOTOR DRIVE 14662 FRANKLIN AVE SUITE E MOTOR CONTROLS REV 16 August 6 2009 TUSTIN CA 92780 714 832 8874 The power supply voltage must be between 24 VDC and 80 VDC The maximum power supply current required is 67 of the motor s rated phase current An unregulated power supply may be use
8. topped If enabled this reduction occurs 1 second after the last step pulse is sent to the drive Auto current reduction can be enabled or disabled GECKODRIVE INC GECKODRIVE G201 STEP MOTOR DRIVE 14662 FRANKLIN AVE SUITE E MOTOR CONTROLS REV 16 August 6 2009 TUSTIN CA 92780 714 832 8874 2 REDUCED CURRENT RANGE In addition to the normal current range 1A to 7A the G201 can also operate over a reduced current range 0 3A to 2A This range is used for motor phase currents of less than 1A Auto current reduction is not available for this reduced current range 3 NEMA 42 MOTOR Use this option if the drive is to be used with NEMA 42 frame size motors This option adjusts the mid band compensation circuit for optimum performance with this size motor 4 MID BAND COMPENSATION DISABLE Some step pulse sources generate very ragged timing If the pulse to pulse period varies by more than 30 the drive may have problems counting that step pulse This option disables the mid band compensation circuit making the drive insensitive to this timing restriction As a consequence the motor may exhibit mid band instability problems ADJUST This trimpot adjusts the motor for the smoothest possible low speed operation Set the motor speed to about 1 4 revolution per second and then turn the trimpot until a distinct null is noted in the motor s vibration This will result in the most even microstep placement for a gi
9. ulate the value in kilo ohms of the current set resistor R in kilo ohms 47 I 7 I or for the low current range R 47 I 2 1 Here are the current set resistor values for motor current in 5A increments Round the appropriate answer to the nearest 5 resistor value 1A 7 8K 1 5A 12 8K 2A 18 8K 2 5A 26 1K 3A 35 25K 3 5A 47K 4A 62 67K 4 5A 84 6K 5A 117 5K 5 5A 172 33K 6A 282K 6 5A 611K 7A OPEN mA sam oag TD 3 HEATSINKING The G201 needs heatsinking for current settings greater than 3 amps The case temperature measured on the bottom plate should not exceed 70 degrees C and for best life should be kept to 50 degrees or less Use heatsink compound between the G201 and the heatsink CAUTION Current settings above 3 Amps without a heatsink will result in damage to the G201 The drive must be heatsinked to a piece of aluminum preferably with fins and a fan to increase heat dissipation and surface area Do not screw the drives directly to the door of your control cabinet as this will typically not provide adequate heatsinking properties OPTION JUMER BLOCK The G201 has four settable options These options are enabled and disabled via the jumper block shunt settings See the diagram below for how to set the shunts The four options are described below 1 AUTO CURRENT REDUCTION The G201 reduces motor phase current to 33 of the set value when the motor is s
10. uts if any are sent The power supply current drops to less than 15mA The motor will return to its original position when the disable input is released if no step pulses have been sent and the motor has not been moved more than 2 full steps STEP AND DIRECTION INPUTS TERMINAL 8 Direction GECKODRIVE INC GECKODRIVE G201 STEP MOTOR DRIVE 14662 FRANKLIN AVE MOTOR CONTROLS REV 16 August 6 2009 TUSTIN CA92788 714 832 8874 Connect the DIRECTION line to this terminal TERMINAL 9 Step Connect the STEP line to this terminal TERMINAL 10 Common Connect this terminal to the controller 5VDC power supply These inputs are optically isolated from the rest of the drive Terminal 10 is the common anode connection for the opto isolators and must be connected to the 5 VDC supply of your indexer or pulse generator These inputs are meant to be driven by standard TTL logic or other driver capable of sinking 16mA of current The minimum logic 0 time is 5uS while the minimum logic 1 time is 4uS Microstepping occurs on the falling edge of the step input CURRENT SET RESISTOR TERMINAL 11 Current Set Connect the current set resistor to this terminal TERMINAL 12 Current Set Connect the other end of the current set resistor to this terminal This input programs the G201A s current output to the motor windings The G201 will accommodate motor winding currents from 1 to 7A and 0 3 to 2A Use the following equation to calc
11. ven motor and power supply voltage OPTION JUMPER BLOCK STANDBY ENABLED N pfpaess Io n NG 30 og o c oo oo w gt STANDBY DISABLED es oo oo oo ol Noj LOW CURRENT RANGE ojo o ojo o oo oo SIZE 42 MOTOR oo oo MID BAND DISABLED NORMAL DEFAULT OPTOISOLATOR SOCKET CONVERTING THE G201 TO A G210 The G201 can be converted to a G210 by installing the G901 step pulse multiplier board Remove the cover of the drive and then use a small pair of needle nose pliers to remove the opto isolator from its socket Plug the G901 board into this socket and replace the cover REMOVING AND REPLACING THE COVER The STEP PULSE MULTIPLIER and the INPUT OPTION settings are jumpered internally It is necessary to remove the cover of the drive to change these settings from their default values Please follow the steps below on how to remove and replace the cover to avoid damaging the drive REMOVING THE COVER
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