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Technical Specifications

-18-

Block Diagram

-3-

Dual, MOSFET H-bridge, 3 state, pulse width modulated 
switching at 20 kHz.  0.2 - 3.5 amps/phase output current, 
software selectable.  147 watts maximum output power.  
Automatic idle current reduction (software programmable), 
reduces current to motor when idle.  Minimum motor inductance 
is 0.8 mH.

Accepts 12 - 42 VDC power supply.  3.5 amps typical max load.  
7A maximum power on surge.

5 - 24V, optically isolated.  2200 ohms internal resistance.  Can 
be configured for sinking (NPN) or sourcing (PNP) signals.

Optically isolated.  24V, 100 mA max.

13 software selectable resolutions.  Steps per revolution with 
1.8º motor:  2000, 5000, 10000, 12800, 18000, 20000, 21600, 
25000, 25400, 25600, 36000, 50000, 50800.  Waveform:  pure 
sine.  

12800 Hz.

Constructed on black anodized aluminum chassis/heat sink. 
1.5 x 3 x 5 inches overall.  12 oz.  0-70ºC ambient temp range.  
Power LED.  See page 17 for detailed drawing .

Power, motor:  screw terminal block.  Wire size:  AWG 12 - 28.  
I/O Signals:  screw terminal block.  Wire size:  AWG 16 - 28.

Amplifiers

Power Supply

Inputs

Outputs

Microstepping

Motion Update 

Physical

Connectors

Introduction

Thank you for selecting an Applied Motion Products motor control.  We hope our 
dedication to performance, quality and economy will make your motion control 
project successful.  If there's anything we can do to improve our products or help 
you use them better, please call or fax.  We'd like to hear from you.  Our phone 
number is (800) 525-1609 or you can reach us by fax at (831) 761–6544.

Features

• Powerful, precise and efficient mosfet driver providing up to 3.5 amps per 

phase and microstepping to 50,800 steps per revolution.

• Accepts 12 - 42 VDC power supply.
• Powerful, flexible, easy to use indexer.
• Connects by a simple cable to your PC for programming (cable included).
• Microsoft Windows-based software for easy set up and programming.
• Eight inputs for interacting with the user and other equipment.
• Three outputs for coordinating external equipment.
• All I/O is optically isolated, 5 - 24 V, sinking or sourcing signals.  (Except 

PC/MMI port which is ±12V RS-232.)

• Sturdy 1.5 x 3 x 5 inch metal chassis.
• Screw terminal connectors for motor, DC power and I/O signals
• Optional man machine interface (MMI) allows operator to enter distances, 

speeds, loop counts and more.

MOSFET

3 State

PWM 

Power

Amplifier

motor phase A

motor phase B

12 - 42 VDC

INPUT1

INPUT2

INPUT3

INPUT4

CW JOG/IN5

CCW JOG/IN6

to PC/MMI

CW LIMIT

CCW LIMIT

OUT1

OUT2

OUT3

RS232

Optical

Isolation

Si

Microstepping

Indexer

Sequencer

eeprom

Optical

Isolation

Optical

Isolation

Internal

Logic

Supply

Summary of Contents for 3540i

Page 1: ...Applied Motion Products Inc 404 Westridge Drive Watsonville CA 95076 Tel 831 761 6555 800 525 1609 Fax 831 761 6544 7 31 98 Hardware Manual 3540i Programmable Step Motor Driver Copyright 1998 ...

Page 2: ...Mechanical Outline Optional MMI 2 19 4 90 4 90 1 38 0 13 3 875 CENTERED 3 875 CENTERED 1 2 3 4 5 6 7 8 9 YES NO 0 SPACE BKSP ENTER 2 988 1 975 0 425 0 963 0 960 ...

Page 3: ...ol We hope our dedication to performance quality and economy will make your motion control project successful If there s anything we can do to improve our products or help you use them better please call or fax We d like to hear from you Our phone number is 800 525 1609 or you can reach us by fax at 831 761 6544 Features Powerful precise and efficient mosfet driver providing up to 3 5 amps per pha...

Page 4: ... 25 5 00 0 15 4 70 1 50 0 25 875 4x Ø 170 2x SLOT 170 WIDE FULL R power connector DC power supply motor mounting hole 1 of 6 pc mmi connector power LED connector input 1 2 3 4 jog cw jog ccw cw limit ccw limit connector output1 2 3 Always use the blue white Applied Motion screwdriver with these connectors Larger screwdrivers may remove the plastic dimples that prevent the screws from falling out M...

Page 5: ...t included MMI gasket included 1 2 3 4 5 6 7 8 9 YES NO 0 SPACE BKSP ENTER panel MMI front section and gasket MMI rear section Choosing a Power Supply We recommend using an Applied Motion Products PS430 power supply with this drive The PS430 provides 30 volts DC at 4 amps as well as 500 mA of well regulated 5 volt power for your logic circuits It also has built in fuses If you do not choose an A M...

Page 6: ...nt of the motor 2 If you are designing for mass production and must minimize cost get one power supply with more than twice the rated current of the motor Install the motor in the application and monitor the current coming out of the power supply and into the drive at various motor loads This will tell you how much current you really need so you can design in a lower cost power supply If you plan ...

Page 7: ... into 254 microsteps providing 50 800 steps per revolution when using a 1 8 motor In addition to providing precise positioning and smooth motion microstep drives can be used for motion conversion between different units The 25 400 step rev setting is provided as a means of converting motion from metric to english There are 25 4 mm in an inch Other settings provide step angles that are decimal degr...

Page 8: ...ly from a power supply You must also limit the current to less than 100 mA so that the output transistor is not damaged You would normally use a resistor for this but some loads such as PLC inputs limit the current automatically The diagram below shows how to connect an 3540i output to an optically isolated PLC input PLC COMMON INPUT 3540i OUTPUT OUTPUT 12 24 VDC Power Supply 330 5V OUT1 OUT1 Opto...

Page 9: ...en output closes 3540i input goes low Connecting an NPN Type Proximity Sensor to an 3540i Input When prox sensor activates 3540i input goes low Connecting a PNP Type Proximity Sensor to an 3540i input When prox sensor activates 3540i input goes low 3540i NPN Proximity Sensor IN COM output 3540i PNP Proximity Sensor IN output COM Jogging Two of the 3540i input terminals are provided for jogging the...

Page 10: ...voltage to an input terminal 2200 2200 2200 2200 2200 2200 inside 3540i COM COM COM IN1 IN2 IN3 IN4 CWJOG CCWJOG Wiring Inputs The 3540i input circuits can be used with sourcing or sinking signals 5 to 24 volts This allows connection to TTL circuits PLCs relays and mechanical switches Because the input circuits are isolated they require a source of power If you are connecting to a TTL circuit or t...

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