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6

STR2 Hardware Manual

920-0059A

4/20/2012

Block Diagram

AMPLIFIER

12-48 VDC

from external power supply

Status LEDs

Run Current

STEP

DIR

EN

OUT

Overcurrent 

Sensors 

motor 

3.3/5/15V 

Regulators 

Optical

Isolation

Digital

Filter

Optical 

Isolation 

DSP 

Voltage 

Sensors 

12345678

1234

Motor Selection

Steps/rev

Step Pulse Type

Load Inertia

Idle Current

Step Noise Filter

Self Test

Summary of Contents for STR2

Page 1: ...Hardware Manual STR2 Step Motor Drive 920 0059A 4 20 2012 ...

Page 2: ...ector Pin Diagram 14 Connection Examples STEP DIR 14 Internal Circuit Diagram 14 Connection Examples EN 15 FAULT Output 16 Configuring the Drive 17 Step 1 Selecting a Motor and Setting the Current 17 Step 2 Fine Tuning the Motor Current 18 Step 3 Setting Idle Current 18 Step 4 Load Inertia 19 Step 5 Step Size 19 Step 6 Step Pulse Type 21 Step 7 Step Pulse Noise Filter 22 Self Test 22 Reference Mat...

Page 3: ...ision of these codes Equipment damage or serious injury to personnel can result from the failure to follow all ap plicable codes and standards We do not guarantee the products described in this publica tion are suitable for your particular application nor do we assume any responsibility for your product design installation or operation Read all available documentation before assembly and commissio...

Page 4: ...ors can store dangerous voltages for long periods of time after power has been switched off To be safe measure the contact points with a meter before touching Be alert to the potential for personal injury Follow the recommended precautions and safe operating practices Safety notices in this manual provide important information Read and be familiar with these instructions before attempting installa...

Page 5: ...ompact package Operates from a 12 to 48 volt DC power supply Running current up to 2 2 amps per phase Operates from Step Direction signals or Step CW Step CCW jumper selectable Enable input Fault output Optically isolated I O Digital filters prevent position error from electrical noise on command signals switch selectable 150 kHz or 2 MHz Electronic damping and anti resonance Automatic idle curren...

Page 6: ... power supply Status LEDs Run Current STEP DIR EN OUT Overcurrent Sensors motor 3 3 5 15V Regulators Optical Isolation Digital Filter Optical Isolation DSP Voltage Sensors 1 2 3 4 5 6 7 8 1 2 3 4 Motor Selection Steps rev Step Pulse Type Load Inertia Idle Current Step Noise Filter Self Test ...

Page 7: ...e of the motors listed recommended in this manual a small flat blade screwdriver for tightening the connectors a source of step signals such as a PLC or motion controller The connectors and other points of interest are illustrated below These are detailed later in the manual Motor Power Supply Connector SWITCH A Self Test Step Noise Filter Idle Current Run Current Steps rev Input Output Signals SW...

Page 8: ...ays provide air flow around the drive When mounting multiple drives near each other maintain at least one half inch of space between drives Connecting the Power Supply If you need information about choosing a power supply please read the section Choosing a Power Supply Connect the power supply terminal to the connector terminal labeled V Connect power supply to the connector terminal labeled V The...

Page 9: ...oad is transferred back to the power supply This can trip the overvoltage protection of a switching power supply causing it to shut down We offer the RC 050 regeneration clamp to solve this problem If in doubt buy an RC 050 for your first installation If the regen LED on the RC 050 never flashes you don t need the clamp RC 050 Regen Clamp Power Supply and Ground Connections Locate fuse in line wit...

Page 10: ...ou could ever need is two times the motor current However you will generally need a lot less than that depending on the motor type voltage speed and load conditions That s because the STR uses a switching amplifier converting a high voltage and low current into lower voltage and higher current The more the power supply voltage ex ceeds the motor voltage the less current you ll need from the power ...

Page 11: ... drives are running simultaneously In this case just add up the power supply currents for each to determine the total power supply current requirement Motor Connection Current Setting A Max Power Supply Current A 12VDC 24VDC 48VDC HT08 020 4 leads 0 42 0 95A 0 95A N A HT08 021 4 leads 0 42 0 95A 0 95A N A HT11 012 4 leads 1 20 0 6A 0 6A N A HT11 013 4 leads 1 20 0 95A 0 95A N A 5014 842 4 leads 1 ...

Page 12: ...y generally do not have overvoltage protection and have large capacitors for storing energy coming back from the drive They are also less expensive See previous section on Connecting the Power Supply for details on the RC 050 regeneration clamp System Wiring Recommendations 1 Separate the DC power supply cable by at least 2 from the small signal input cable and the encoder feedback cable 2 A shiel...

Page 13: ...ECTOR A A B B 4 lead motor Red Blue Yellow White 4 Leads Chassis Ground Screw A A B B 8 lead motor 8 Leads Series Connected 8 Leads Parallel Connected A A B B 8 lead motor Orange Org Wht Blk Wht Black Red Red Wht Yel Wht Yellow Orange Org Wht Blk Wht Black Red Red Wht Yel Wht Yel low Eight Lead Motor These motors can be connected in series or parallel A series connected motor needs less cur rent t...

Page 14: ...the removal of power from the motor Note STEP and DIR inputs can be converted to STEP CW and STEP CCW by moving the inter nal jumper See Step 6 Step Pulse Type Connector Pin Diagram Internal Circuit Diagram STEP DIR EN OUT OUT COM inside drive 220 pF COM STEP 220 pF DIR 220 pF EN OUT OUT Connecting to Indexer with Sinking Outputs STR2 V OUT COM DIR DIR STEP STEP Indexer with Sinking Outputs Connec...

Page 15: ...ow EN COM 5 24 VDC Power Supply Connection Examples EN Connecting another drive to EN When output closes input closes Connecting an NPN Type Proximity Sensor to an input When prox sensor activates input closes STR EN COM Si drive OUT OUT 5 24 VDC Power Supply STR2 NPN Proximity Sensor EN COM output 5 24 VDC Power Supply ...

Page 16: ...f the output transistor are available at the connector This allows you to configure the output for current sourcing or sinking Diagrams of each type of connection follow Do not connect the output to more than 30VDC The current through the output terminal must not exceed 80 mA Sinking Output STR2 5 24 VDC Power Supply Load OUT OUT STR2 5 24 VDC Power Supply Load OUT OUT Sourcing Output Driving a Re...

Page 17: ...fore applying power to the drive so that you do not risk applying too much current to your motor Motor Wiring Current Setting A Holding Torque oz in Rotor Inertia g cm2 Switch B HT08 020 4 leads 0 42 2 4 1 9 1 2 3 HT08 021 4 leads 0 42 4 4 4 0 1 2 3 HT11 012 4 leads 1 20 7 4 8 1 2 3 HT11 013 4 leads 1 20 15 3 18 1 2 3 5014 842 4 leads 1 20 26 20 1 2 3 HT17 268 parallel 1 61 31 38 1 2 3 HT17 271 pa...

Page 18: ...is reduced to 70 and the heating to about 50 Switches A4 and A5 on the front of the STR2 drive are used to set the percent of rated current that will be applied to the motor Please set them according to the illustration below Step 3 Setting Idle Current Motor heating and power consumption can also be reduced by lowering the motor current when it is not moving The STR2 will automatically lower the ...

Page 19: ...pplications department Step 5 Step Size The STR2 requires a source of step pulses to command motion This may be a PLC an indexer a motion controller or another type of device The only requirement is that the device be able to produce step pulses whose frequency is in proportion to the desired motor speed and be able to smoothly ramp the step speed up and down to produce smooth motor acceleration a...

Page 20: ...drives include a feature called microstep emulation also called step smoothing that can provide smooth motion from coarse command signals By selecting 200 smooth or 400 smooth this feature is automatically employed to provide the smoothest possible motion from a less than ideal signal source Because a command filter is used as part of the step smoothing process there will be a slight delay or lag ...

Page 21: ...use a different type of command signal one signal pulses once for each desired step in the clockwise direction called STEP CW while a second signal pulses for counterclockwise motion STEP CCW The STR drives can accept this type of signal if you remove the drive cover and move jumper S3 from the 1 2 position to the 1 3 position In STEP CW STEP CCW mode the CW signal should be connected to the STEP ...

Page 22: ...ev and at high motor speeds you will be commanding the drive at step rates above 150 kHz In such cases you should use the 2 MHz setting as shown below The step noise filter is controlled by switch 4 of the small bank of switches Your maximum pulse rate will be the highest motor speed times the steps rev For example 40 revs second at 20 000 steps rev is 40 x 20 000 800 kHz Please consider this when...

Page 23: ...23 STR2 Hardware Manual 920 0059A 4 20 2012 L Motor Outlines Reference Materials HT08 Outline Drawing HT11 Outline Drawing 5014 842 Outline Drawing MOTOR LENGTH L HT08 020 30 0 mm HT08 021 46 5 mm L ...

Page 24: ...m HT17 075 47 1 mm HT17 268 33 3 mm MAX HT17 271 39 8 mm MAX HT17 275 48 3 mm MAX ADD D TO END OF PART NUMBER TO ADD REAR SHAFT AND ENCODER HOLES HT23 Outline Drawing L MOTOR LENGTH L HT23 395 595 41 mm MAX HT23 398 598 54 mm MAX HT23 401 601 76 mm MAX ADD D TO END OF PART NUMBER TO ADD REAR SHAFT AND ENCODER HOLES ...

Page 25: ... 3 oz in 12 VDC 24 VDC Connection 4 leads Drive settings 0 42A phase 20000 steps rev HT08 021 STR2 0 0 5 0 5 10 15 20 25 30 35 40 rps 1 1 5 2 2 5 oz in 12 VDC 24 VDC Connection 4 leads Drive settings 0 42A phase 20000 steps rev HT08 020 STR2 0 0 5 0 5 10 15 20 25 30 35 40 rps ...

Page 26: ...2 VDC 24 VDC Connection 4 leads Drive settings 1 2A phase 20000 steps rev HT11 013 STR2 0 2 4 0 5 10 15 20 25 30 35 40 rps 3 4 5 6 7 8 9 oz in 12 VDC 24 VDC Connection 4 leads Drive settings 1 2A phase 20000 steps rev HT11 012 STR2 0 1 2 0 5 10 15 20 25 30 35 40 rps ...

Page 27: ...n 12 VDC 24 VDC 48 VDC Connection parallel Drive settings 1 61A phase 20000 steps rev HT17 268 STR2 0 5 0 10 20 30 40 50 rps 10 15 20 25 oz in 12 VDC 24 VDC Connection 4 leads Drive settings 1 2A phase 20000 steps rev 5014 842 STR2 0 5 0 5 10 15 20 25 30 35 40 rps ...

Page 28: ...2 VDC 24 VDC 48 VDC Connection parallel Drive settings 2 04A phase 20000 steps rev HT17 271 STR2 0 10 0 10 20 30 40 50 rps 20 30 40 50 60 oz in 12 VDC 24 VDC 48 VDC Connection parallel Drive settings 2 04A phase 20000 steps rev HT17 275 STR2 0 10 0 10 20 30 40 50 rps ...

Page 29: ... in 12 VDC 24 VDC 48 VDC Connection series Drive settings 2 2A phase 20000 steps rev HT23 598 STR2 0 20 40 0 10 20 30 40 50 rps 20 30 40 50 60 oz in 12 VDC 24 VDC 48 VDC Connection series Drive settings 2 2A phase 20000 steps rev HT23 595 STR2 0 10 0 10 20 30 40 50 rps ...

Page 30: ... table and sev eral curves showing the maximum duty cycle versus speed for each motor at commonly used power supply voltages Please refer to this information when planning your application Please also keep in mind that a step motor typically reaches maximum temperature after 30 to 45 minutes of operation If you run the motor for one minute then let it sit idle for one minute that is a 50 duty cycl...

Page 31: ...y vary Motor Connection Current Setting A Max Duty Cycle at 40 C Ambient 12VDC 24VDC 48VDC HT08 020 4 leads 0 42 100 100 NR HT08 021 4 leads 0 42 100 100 NR HT11 012 4 leads 1 20 100 100 NR HT11 013 4 leads 1 20 100 100 NR 5014 842 4 leads 1 20 100 see chart NR HT17 268 parallel 1 61 100 100 see chart HT17 271 parallel 2 04 100 100 see chart HT17 275 parallel 2 04 100 100 see chart HT23 595 series...

Page 32: ... t 12V 24V 100 on 4 75 x 4 75 x 25 Aluminum Plate 80 40 60 Duty Cycle 20 40 0 0 5 10 15 20 25 30 35 40 Speed RPS HT17 268 Max Duty cycle vs Speed 2 04A phase parallel connected 40 C ambient temp 4 75 4 75 25 Al i Pl t 12V 24V 48V 100 on 4 75 x 4 75 x 25 Aluminum Plate 80 40 60 Duty Cycle 20 40 0 0 5 10 15 20 25 30 35 40 Speed RPS ...

Page 33: ...l i Pl t 12V 24V 48V 100 on 4 75 x 4 75 x 25 Aluminum Plate 80 40 60 Duty Cycle 20 40 0 0 5 10 15 20 25 30 35 40 Speed RPS HT17 275 Max Duty cycle vs Speed 2 04A phase parallel connected 40 C ambient temp 4 75 4 75 25 Al i Pl t 12V 24V 48V 100 on 4 75 x 4 75 x 25 Aluminum Plate 80 60 Duty Cycle 20 40 0 20 0 5 10 15 20 25 30 35 40 Speed RPS ...

Page 34: ...ided 1 drive power dissipation Pd versus motor current and power supply voltage see chart 2 drive thermal constant RQ The final drive case temperature is given by Tc Ta RQ Pd where Ta is the ambient temperature of the surrounding air The case of the drive should not be allowed to exceed 70 C or the life of the product could be reduced Drive thermal constant Narrow side of drive mounted on a 13 5 x...

Page 35: ...35 STR2 Hardware Manual 920 0059A 4 20 2012 Mechanical Outline 1 2 3 4 5 6 7 8 ...

Page 36: ...sed Drive steps on rising edge of STEP input Minimum on voltage 4 VDC Maximum voltage 30 VDC Input current 5 mA typ at 4V 15 mA typ at 30V Maximum pulse frequency 150 kHz or 2 MHz set by switch Minimum pulse width 3 usec at 150 kHz setting 0 25 usec at 2 MHz setting Photodarlington 80 mA 30 VDC max Voltage drop 1 2V max at 80 mA 0 82 x 2 21 x 3 65 inches 20 8 x 56 x 92 6 mm overall 4 7 oz 133 g in...

Page 37: ... 20 2012 Mating Connectors and Accessories Mating Connectors Motor power supply Phoenix Contact 1803617 included with drive Signals Phoenix Contact 1840405 included with drive Accessories Regeneration Clamp Applied Motion Products RC 050 ...

Page 38: ...831 761 6544 www applied motion com Power and Motor Connector Signal Connector Connector Diagrams Code Error solid green no alarm motor disabled flashing green no alarm motor enabled 1 green 3 red over temperature 2 green 3 red internal voltage out of range 1 green 4 red power supply voltage too high 2 green 4 red power supply voltage too low 1 green 5 red over current short circuit 1 green 6 red ...

Page 39: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Applied Motion STR2 ...

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