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IM483H/IM805H Rev. R032206

28

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IM483H/IM805H Rev. R032206

Figure 6.1 A & B: Per Phase Winding Inductance

The per phase winding inductance specified may be different than the per phase
inductance seen by your IM483H/IM805H driver depending on the wiring con-
figuration used. Your calculations must allow for the actual inductance that the
driver will see based upon the motor’s wiring configuration used.

Figure 6.1A shows a stepper motor in a series configuration. In this configu-
ration, the per phase inductance will be 4 times that specified. For example:
a stepping motor has a specified per phase inductance of 1.47mH. In this
configuration the driver will see 5.88 mH per phase.

Figure 6.1B shows an 8 lead motor wired in parallel. Using this configuration
the per phase inductance seen by the driver will be as specified.

Using the following equation we will show an example of sizing a motor for
a IM483H/IM805H used with an unregulated power supply with a minimum
voltage (+V) of 18 VDC:

.2 X 18 = 3.6 mH

The maximum per phase winding inductance we can use is 3.6 mH.

Maximum Motor Inductance (mH per Phase) =

.2 X Minimum Supply Voltage

PHASE A

PHASE A

PHASE B

PHASE B

8 Lead Stepping Motor

Series Configuration

8 Lead Stepping Motor

Parallel Configuration

PHASE A

PHASE A

PHASE B

PHASE B

(Note: This example also

applies to the 6 lead motor

full copper configuration and

to 4 lead stepping motors)

(Note: This example also

applies to the 6 lead motor

half copper configuration)

Specified Per Phase

Inductance

Specified Per Phase

Inductance

Actual Inductance

Seen By the Driver

Actual Inductance

Seen By the Driver

A

B

NOTE: In calculating the maximum phase inductance, the

minimum supply output voltage should be used when using an

unregulated supply.

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Содержание Excellence in Motion IM483H

Страница 1: ...OSTEPPING DRIVERS HFC 22 HEAT SINK FAN CLIP ASSEMBLY IM483H DK1 DEVELOPER S KIT PR 22 PIN RECEPTACLE CARRIER OPERATING INSTRUCTIONS 370 N MAIN ST PO BOX 457 MARLBOROUGH CT 06447 PH 860 295 6102 FAX 86...

Страница 2: ...in neither does it convey any license under its patent rights of others Intelligent Motion Systems and are trademarks of Intelligent Motion Systems Inc Intelligent Motion Systems Inc s general policy...

Страница 3: ...Mounting the IM483H IM805H 14 Direct Mounting the IM483H IM805H to a PC Board 14 Mounting the IM483H IM805H Using the PR 22 Receptacle 15 Recommended Mounting Hardware 16 Attaching the HFC 22 Heat Si...

Страница 4: ...H IM805H Inputs 44 The Microstep Resolution Select Inputs MSEL 45 Interfacing the Fault Input 46 Minimum Connections 47 Section 8 Troubleshooting 48 Section Overview 48 Basic Troubleshooting 48 Proble...

Страница 5: ...6 Figure 7 11 Multiple Drives One Reset 46 Figure A 1 IM483H IM805H Developer s Kit 52 Figure A 2 HFC 22 Exploded 53 Figure A 3 INT 483H 805H Interface Board Dimensions 55 Figure A 4 INT 483H 805H Cur...

Страница 6: ...ts ultra small size and low cost can be used to increase accuracy and smoothness in systems using higher step angle motors In many instances mechanical gearing can be replaced with microstepping reduc...

Страница 7: ...n FAULT Input and Output n Phase to Phase Short Circuit Protection n Over Temperature Protection n Microstep Resolution to 51 200 Steps Rev n Microstep Resolutions can be Changed On The Fly With out...

Страница 8: ...changes from a normal pointer to a finger pointer when placed over the word N o t e s a n d W a r n i n g s WARNING The IM483H IM805H components are sensitive to ElectroStatic Discharge ESD All handl...

Страница 9: ...ons n Thermal Specifications n Pin Assignment and Description M e c h a n i c a l S p e c i f i c a t i o n s D i m e n s i o n a l I n f o r m a t i o n I M 4 8 3 H I M 8 0 5 H Dimensions are in inch...

Страница 10: ...nsions 2 800 71 12 0 115 2 92 1 700 43 18 0 290 7 36 0 200 5 08 0 100 2 54 1 300 33 02 1 500 38 10 072 DIA 1 83 DIA 055 DIA 1 40 DIA 090 2 28 230 5 84 118 DIA 3 00 DIA 100 DIA 2 50 DIA 050 1 27 050 1...

Страница 11: ...ve Power Dissipation IOUT 3A RMS 50 80 mA Low Level Input Voltage All Inputs 0 8 V High Level Input Voltage All Inputs Except Reset 2 0 V High Level Input Voltage Reset 2 3 V Low Level Input Current S...

Страница 12: ...T 3A RMS 50 80 mA Low Level Input Voltage All Inputs 0 8 V High Level Input Voltage All Inputs Except Reset 2 0 V High Level Input Voltage Reset 2 3 V Low Level Input Current SCLK DIR H F Enable 1 2 m...

Страница 13: ...z H M y c n e u q e r F r e p p o h C M W P 0 2 z H k Table 2 3 IM483H IM805H AC Electrical Characteristics C s n o i t a c i f i c e p S l a m r e h T H 3 8 4 M I n o i t a c i f i c e p S e g n a R...

Страница 14: ...s e R 7 2 t c e l e S n o i t u l o s e R 8 3 t c e l e S n o i t u l o s e R 9 t u p n I k c o l C p e t S r o t o m e h t s e c n a v d a t u p n i s i h t n o e g d e g n i o g e v i t i s o p A t...

Страница 15: ...i p s i h t n e e w t e b d e t c e n n o c s i B e s a h P 4 D N G y l p p u s r e w o p e h t f o n r u t e r r o d n u o r g e h T d n u o r G r e w o P e r e h d e t c e n n o c s i 5 V H 3 8 4 M...

Страница 16: ...the users PC board however they may also be mounted using the PR 22 pin receptacle car rier for ease of removal Direct Mounting the IM483H IM805H to a PC Board The IM483H and IM805H hybrids are desig...

Страница 17: ...ables the user to insert the 23 receptacles into their PC board design in a single operation for wave or hand solder The plastic frame can then be lifted out and discarded The following figure Figure...

Страница 18: ...01 07 T D NOTE The torque specification for the mounting screws is 5 0 to 7 0 lb in 0 60 to 0 80 N m Do not over tighten screws Figure 3 4 PCB Mounting Hardware Direct Mounting or Socketed R e c o m m...

Страница 19: ...HFC 22 Heat Sink Fan Clip Assembly NOTE If the curved fingers do not align between the posts on the heat sink do not try and force them Verify that the heat sink is sitting square on the driver and t...

Страница 20: ...drivers and reduction gearing The IM483H IM805H with its ability to be set to microstep resolutions as high as 51 200 microsteps rev 256 Microsteps step using a 1 8 stepping motor is ideal for such ap...

Страница 21: ...e B position reference This digitally encoded 9 bit sine and 9 bit cosine signal is directly fed into a digital to analog converter The step clock SCLK and direction DIR inputs are buffered using Schm...

Страница 22: ...ack to the supply in the OFF phase of the cycle This method of controlling current allows for much better response but reduces efficiency and increases current ripple especially in lower inductance mo...

Страница 23: ...ontroller that utilizes this output can greatly reduce its position tracking overhead thus substantially increasing its throughput Interface guidelines and a sample application for the fullstep output...

Страница 24: ...manipulate the rate of charge the voltage applied is increased When traveling at high speeds there is less time between steps to reach current The point where the rate of commutation does not allow th...

Страница 25: ...ge A regulated supply maintains a stable output voltage which is good for high speed performance These supplies are also not effected by line fluctuations however they are more expensive Depending on...

Страница 26: ...tching Supply No Load Output Voltage 41 VDC 0 Amps Continuous Output Rating 38 VDC 1 5 Amps Peak Output Rating 35 VDC 3 Amps I P 8 0 4 I S P 2 0 0 7 I M 8 0 5 H Range Input 120 VAC Version 102 132 VAC...

Страница 27: ...n g n The shield must be tied to zero signal reference potential In order for shielding to be effective it is necessary for the signal to be earthed or grounded n Do not assume that earth ground is t...

Страница 28: ...ne filter be used to prevent dam age to the IM483H IM805H due to a lightning strike or power surge WARNING Verify that the power supply wiring is correct prior to power application If V and GND are co...

Страница 29: ...pe of this document they are details that you must know in order to select a motor that is appropriate for your application These details will effect everything from the power supply voltage to the ty...

Страница 30: ...y cycles that exceed 50 can cause unstable chopping This characteristic is directly related to the motor s winding inductance In order to avoid this situ ation it is necessary to choose a motor with a...

Страница 31: ...en by the driver will be as specified Using the following equation we will show an example of sizing a motor for a IM483H IM805H used with an unregulated power supply with a minimum voltage V of 18 VD...

Страница 32: ...o r s IMS also carries a new series of 23 frame enhanced stepping motors that are recom mended for use with the IM483H IM805H These motors use a unique relationship between the rotor and stator to gen...

Страница 33: ...gearboxes in applications where gearboxes are used for inertia dampening between the mo tor and the load The induced backlash from the gearbox is eliminated providing improved bi directional position...

Страница 34: ...or cables Dual Twisted Pair Shielded Separate Shields 5 feet Belden Part 9402 or equivalent 20 Gauge 5 feet Belden Part 9368 or equivalent 18 Gauge When using a bipolar motor the motor must be within...

Страница 35: ...er speeds Use the per phase or unipolar current rating as the peak output current or multiply the bipolar current rating by 1 4 to determine the peak output current P a r a l l e l C o n n e c t i o n...

Страница 36: ...lead motor the torque output will be more stable at higher speeds This configuration is also referred to as half copper In setting the driver output current multiply the specified per phase or unipol...

Страница 37: ...least flexible but easiest to wire Speed and torque will depend on winding inductance In setting the driver output current multiply the specified phase current by 1 4 to determine the peak output cur...

Страница 38: ...where possible When leaving the board motor cables should not run parallel with other wires Phases should be wired using twisted pairs If motor cabling in excess of one foot is required motor cabling...

Страница 39: ...ould exceed the maximum supply voltage as well as any additional voltage caused by the motor s back EMF The value of the capacitors should be approximately 150 F for every amp of peak per phase output...

Страница 40: ...any given motor the output current used for microstepping is determined differently from that of a half full step driver In the IM483H IM805H a sine cosine output function is used in rotating the mot...

Страница 41: ...olar current rating by 1 4 to determine the peak output current PARALLEL CONNECTION When configuring the motor windings in parallel multiply the per phase or unipolar current rating by 2 0 or the bipo...

Страница 42: ...current of the IM483H IM805H sets the peak per phase output of the sine cosine waves not the RMS value Therefore the peak per phase output current must be used to determine the value to which the IM4...

Страница 43: ...w H 3 8 4 M I e h t r o f s e u l a V e c n e r e f e R d n a r o t s i s e R t s u j d A t n e r r u C t n e r r u C t u p t u O k a e P s p m A e c n e r e f e R s t l o V e u l a V r o t s i s e R...

Страница 44: ...t s i s e R 1 s m h O 0 1 5 1 0 0 5 1 2 1 8 1 0 2 8 1 4 1 1 2 0 0 1 2 6 1 4 2 0 3 4 2 8 1 7 2 0 7 6 2 0 2 0 3 0 1 0 3 2 2 3 3 0 2 3 3 4 2 6 3 0 7 5 3 6 2 9 3 0 2 9 3 8 2 2 4 0 2 2 4 0 3 5 4 0 3 5 4 2...

Страница 45: ...RRed and the value of the current adjust resistor RAdj The Current will be reduced 0 5 seconds after the rising edge of the last Step Clock Pulse The value of RRed is calculated as follows IRun is th...

Страница 46: ...tied directly to the enable input P1 11 This will disable the outputs 0 5 seconds after the last step clock input When the current reduction output is used in this manner an open collector output or b...

Страница 47: ...motor position no matter what resolution is chosen when it is changed Table 7 3 Microstep Resolution Select Settings Figure 7 7 MSEL Inputs Interface Example 1 1 RESOLUTION SELECT 0 RESOLUTION SELECT...

Страница 48: ...EQUIVALENT 1N914 OR EQUIVALENT RESET BUTTON RESET INPUT UNIT 1 RESET INPUT UNIT 2 RESET INPUT UNIT 3 14 14 14 1N914 OR EQUIVALENT INTERFACE CIRCUIT OR FAULT IN RESET INPUT FAULT IN RESET INPUT When co...

Страница 49: ...i D t u p n i n o i t c e r i d r o t o M 9 k c o l C p e t S t u p n i k c o l c p e t s r o t o M 8 5 3 0 L E S M s e n i L t c e l e S n o i t u l o s e R Figure 7 9 Minimum Connections Table 7 4 M...

Страница 50: ...m As part of this process you may have to disconnect the individual components that make up your system and verify that they operate independently It is impor tant to document each step in the trouble...

Страница 51: ...e P r o b l e m Current adjust resistor is incorrect value or not in place Motor phase winding shorted Power input or output driver electrically overstressed Unit overheating S y m p t o m Erratic mot...

Страница 52: ...Power supply voltage too low S y m p t o m Excessive motor and driver heating P o s s i b l e P r o b l e m Inadequate heat sinking cooling Current reduction not being utilized Current set too high S...

Страница 53: ...nsure that the product is enclosed in approved antistatic packing material Write the RMA number on the box The normal repair lead time is 10 business days should you need your product returned in a sh...

Страница 54: ...completing a system design using the IM483H IM805H Hybrid Included in the Developer s Kit are n IM483H or IM805H Hybrid Driver n INT 483H 805H Interface Board n HFC 22 Heat Sink Fan Clip Assembly n In...

Страница 55: ...interface board was designed to aid the user in rapid integration of the IM483H or IM805H driver hybrid into your system The key features of the interface board are n Optically Isolated Logic Inputs n...

Страница 56: ...O 5 2 A m e g a t l o V e c r u o S n i a r D t l u a F p e t S l l u F n O 0 0 1 V e c n a t s i s e R e c r u o S n i a r D I t l u a F p e t S l l u F n O S D A m 5 2 5 6 Table A 2 INT 483 805 Int...

Страница 57: ...3 950 100 33 2 700 68 58 3 000 76 2 0 172 4 37 Diameter Through 4 Places 1 595 40 51 0 150 4 37 0 150 4 37 P2 P1 Pin 1 Pin 1 Figure A 3 INT 483 805 Interface Board Dimensions in Inches mm D i m e n s...

Страница 58: ...erratically This mode should only be used if no holding current is required JP2 2 3 If the shunt is placed on the ENOFF side of the jumper between pins 2 3 the drive outputs will not disable following...

Страница 59: ...wered by the on board 5V supply If the on board supply is used to power the opto isolators electrical isolation between drive power and the logic inputs will be lost NOTE When using the on board 5VDC...

Страница 60: ...0 0 0 5 2 N O N O F F O F F O 0 5 2 0 0 0 0 5 F F O N O F F O F F O n o i t a r e p O c i t a r r E e s u a C y a M s g n i t t e S n o i t u l o s e R d i l a v n I N O F F O F F O F F O F F O F F O...

Страница 61: ...ill set the fault output which will illuminate the red LED The INT 483H 805H buffers the drivers fault output signal through an open drain N channel FET The signal at the terminal strip is inverted th...

Страница 62: ...Pin 1 Current Adjustment Resistor Current Reduction Resistor Direction Step Clock Phase A Phase A Phase B Phase B Motor Power Supply GND V M i n i m u m C o n n e c t i o n s f o r t h e I M 4 8 3 H...

Страница 63: ...mply with all of the terms set forth in this Limited Warranty This Limited Warranty is the sole warranty offered by IMS with respect to the Product IMS does not assume any other liability in connectio...

Страница 64: ...bH Hahnstrasse 10 VS Schwenningen Germany D 78054 Phone 49 7720 94138 0 Fax 49 7720 94138 2 E mail info imseuropehome com European Sales Management 4 Quai Des Etroits 69005 Lyon France Phone 33 4 7256...

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