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Installation • OEM750

26

D

EDICATED

F

AULT

O

UTPUT

(P

IN

9)

The OEM750X has one dedicated fault output

.

This output

may be used to signal peripheral devices if an OEM750X
failure occurs. The Fault output's default state is logic high. If
a fault occurs, internal circuitry energizes the transistor’s
base, pulling the output low. The figure represents a typical
configuration of this output.

Internal Connections

• Minimum high level output: 5V
• Maximum low-level output: 0.8V
• Output can sink up to 50mA
from the load

Dedicated Fault Output

BS170

8

9

10

11

12

13

+5V

4.75K

Ω

External Devices

Dedicated Fault Output

S

EQUENCE

I

NPUTS

#1 – #3 (P

INS

11 – 13)

The OEM750X has three dedicated sequence inputs that allow
you to control seven different sequences. The default active
state is

high

. You must use the

X

commands (particularly the

XP

command) to configure these inputs. Sequence #Ø is not a

valid sequence.

Internal Connections

+5V

4.75K

Ω

HCT244

+5V

4.75K

Ω

HCT244

+5V

4.75K

Ω

HCT244

External Devices

Sequence Input #1

Sequence Input #3

Sequence Input #2

• Maximum low-level input: 0.8V
• Minimum high level input: 2V

7

8

9

10

11

12

13

Normally Closed

Switches

Sequence Inputs

«
...
32
33
34
35
36
...
»

Summary of Contents for OEM750

Page 1: ...motor OEM750 Drive OEM750X Drive Indexer User Guide Compumotor Division Parker Hannifin Corporation p n 88 016109 01 A REMOTE REF CURRENT DUMP VDC VDC A A B B PWR FLT 7 5 0 D R I V E 7 5 0 D R IVE OEM series ...

Page 2: ...h them Failure to do so may result in damage to equipment and personal injury In particular you should review the contents of the user guide carefully before installing or operating the equipment Under no circumstances will the suppliers of the equipment be liable for any incidental consequential or special damages of any kind whatsoever including but not limited to lost profits arising from or in...

Page 3: ... LVD you must follow the additional procedures described in Appendix A LVD Installation Instruc tions If you do not follow these instructions the LVD protec tion of the product may be impaired The OEM750 and OEM750X Series of drives are sold as complex components to professional assemblers As components they are not required to be compliant with Electromagnetic Compatibility Directive 89 336 EEC H...

Page 4: ...ts 23 Step Direction Outputs 23 CW CCW Limit Inputs 24 Home Position Input 25 Output 1 and Output 2 25 Dedicated Fault Output 26 Sequence Inputs 1 3 26 RS 232C Tx Rx and Ground 27 Shutdown Output 28 Closed Loop Operation 28 Encoder Inputs A B Z 29 Trigger Inputs 1 3 29 Address Inputs 1 3 30 Daisy Chaining 30 Choosing a Power Supply 32 Current Amps 33 Power Dump 33 Mounting 34 Panel Layout 35 Motor...

Page 5: ...e OEM750 OEM750X 67 Thermal Safety 67 Sonic Pressure 67 Table of Graphic Symbols and Warnings 68 APPENDIX B EMC INSTALLATION GUIDE 69 General Product Philosophy 69 Safety Considerations 69 General Considerations 70 External Enclosures 70 AC Supply Filtering 70 Control Signal Connections 71 Motor Cabling 71 Ferrite Absorber Specifications 71 Handling and Installing the Ferrite Absorbers 72 R Clamp ...

Page 6: ...Installation This chapter contains a ship kit list of items you should have received with your OEM750 or OEM750X Instructions to mount and connect the system properly are included Upon completion of this chapter your system should be completely installed and ready to perform basic operations Chapter 3 Tuning Specifications This chapter contains information on system performance specifications spee...

Page 7: ...a load at this time This will give you a realistic preview of what to expect from the complete configuration 5 After you have tested the system s functions and become familiar with the system s basic features carefully read the rest of Chapter 2 6 After you have read all of Chapter 2 and clearly understand what must be done to properly install the system begin the installation process Do not devia...

Page 8: ...m damage are presented as cautions Examples are shown below WARNING Do not touch the motor immediately after it has been in use for an extended period of time The motor may be hot CAUTION System damage will occur if you power up the system improperly ...

Page 9: ...s of most customers It is compatible with all Compumotor indexers A typical system is shown below REMOTE REF CURRENT DUMP VDC VDC A A B B PWR FLT 7 5 0 D R I V E 7 5 0 D R IVE OEM se ries REMOTE REF CURRENT DUMP VDC VDC A A B B PWR FLT 7 5 0 D R I V E 7 5 0 D R IVE OEM se ries Co mp um oto r OEM se ries MOD U L E P O WER AC AC EA RTH IN ST AL L JU MP ER FO R 90 13 2 VA C 50 60 Hz RE MO VE JU MP ER...

Page 10: ...ed ASIC to improve reliability conserve space and reduce cost INPUT POWER The OEM750 requires a single external power supply The drive accepts 24VDC to 75VDC for its power input MOUNTING The drive is fully enclosed and uses a heatplate technique to provide a heat dissipation path You must attach the OEM750 to a suitable heat dissipating mounting surface DIP SWITCHES DIP switches are located inside...

Page 11: ...r the drive Over Temperature Protection Short Circuit Protection Power Dump for Regeneration requires a user supplied external resistor Related Products The OEM750 Drive has an internal slot where an indexer circuit board can be installed at the factory The resulting product is referred to as an OEM750X Additional Circuit Board Both Boards Slide Into Cover Together as One Unit REMOTE REF CURRENT D...

Page 12: ...H or as high as 80 mH may be used The OEM750 OEM750X provides the following features Electronic Damping Microprocessor controlled microstepping provides smooth operation over a wide range of speeds Full short circuit protection for phase to phase and phase to ground short circuits Motor regeneration protection Overtemperature protection Uses low inductance motors for improved high speed performanc...

Page 13: ...motor cannot be held responsible for damage incurred in shipment You should have received either a drive OEM750 or drive indexer OEM750X Compare your order with the units shipped Part Part Number OEM Microstepping Drive OEM750 OEM Microstepping Drive Indexer OEM750X The following option may be used with the OEM750X Option Description M2 Nonvolatile Memory 2k BBRAM The following motor s may be used...

Page 14: ...an OEM750X motor motor cable and power supply work properly as a system This is a bench top procedure you can perform it before you connect an indexer mount the drive or mount the motor Full installation instructions follow this section An additional procedure will verify operation of the internal indexer in an OEM750X drive You will need the following Flathead screw driver 1 10 CAUTION The drive ...

Page 15: ...nd the motor to turn you will not use the automatic test function Therefore set DIP switch SW3 3 to the on position to disable the automatic test function 3 Set the current loop gain DIP switches SW3 4 SW3 6 If you use a Compumotor OEM Series OS Series or RS Series motor you can leave the switches in their default position for the purposes of this Quick Test SW3 4 on SW3 5 on SW3 6 off The current...

Page 16: ...s PM Phase A Windings Phase B Windings Red Blue Black Yellow White Brown Green A A B B Orange REMOTE REF CURRENT DUMP VDC VDC A A B B PWR FLT Motor Wiring Size 23 OS and OEM57 Motors Series Wiring PM Phase A Windings Phase B Windings Red Blue Black Yellow White Orange Green A A B B Brown REMOTE REF CURRENT DUMP VDC VDC A A B B PWR FLT Motor Wiring Size 23 OS and OEM57 Motors Parallel Wiring The ne...

Page 17: ...e 34 RS Motors Parallel Wiring With End Cover Removed Schematic View Shield is internally connected to the motor s case Wire 1 Wire 3 Green Yellow safety earth conductor must be terminated to System Earth Point See Apendix B for EMC Installation Guide Wire 2 Wire 4 1 6 5 3 2 8 7 4 1 2 7 8 3 4 6 5 Gnd 1 3 2 4 Gnd A A B B Motor Terminal Number Wire Number Drive Terminal Green Yellow REMOTE REF CURRE...

Page 18: ...VDC OS21A P OEM57 51 P 6 6A 2 05 kΩ 24 48VDC OS22A S OEM57 83 S 3 8A 12 7 kΩ 48 75VDC OS22A P OEM57 83 P 7 5A 0 00 kΩ 24 48VDC Size 34 RS31B P OEM83 62 4 4A 9 53 kΩ 24 75VDC RS32B P OEM83 93 5 6A 4 87 kΩ 24 75VDC RS33B P OEM83 135 6 9A 1 27 kΩ 24 75VDC S Series Configuration P Parallel Configuration OEM83 Series motors are wired internally in parallel Motor Current Resistor Settings for Other Moto...

Page 19: ...Ω 3 5 14 3 kΩ 1 1 15 8 kΩ 6 0 3 57 kΩ 3 4 15 0 kΩ 1 0 18 2 kΩ 5 9 3 92 kΩ 3 3 15 8 kΩ 0 9 20 5 kΩ 5 8 4 22 kΩ 3 2 16 5 kΩ 0 83 22 6 kΩ 5 7 4 53 kΩ 3 1 17 4 kΩ 5 6 4 87 kΩ 3 0 18 2 kΩ 5 5 5 11 kΩ 2 9 19 1 kΩ 5 4 5 49 kΩ 2 8 20 0 kΩ 5 3 5 76 kΩ 2 7 20 5 kΩ 5 2 6 19 kΩ 2 6 21 5 kΩ 5 1 6 49 kΩ 2 5 22 6 kΩ 5 0 6 81 kΩ SW3 7 Off 8 On SW3 7 On 8 On Current Resistance Current Resistance Current Resistance...

Page 20: ...awing shows the complete OEM750 test configuration with a motor and an OEM300 Power Module REMOTE REF CURRENT DUMP VDC VDC A A B B PWR FLT OEM series 7 5 0 D R I V E 7 5 0 D RIVE Compumotor OEM series M O D U L E POWER AC AC EARTH INSTALL JUMPER FOR 90 132 VAC 50 60 Hz REMOVE JUMPER FOR 180 265 VAC 50 60 Hz POWER GND 75VDC 2 7A GND RESERVED DANGER HIGH VOLTAGE DANGER HIGH VOLTAGE USE ONLY INSULATE...

Page 21: ...drawing 1 2 14 15 Step Input Step Input Direction Input Direction Input 1 14 2 15 25 Pin D Connector on OEM750 Inputs are 5VDC maximum 7 5 0 D R I V E 7 5 0 D RIVE REMOTE REF CURRENT DUMP VDC VDC A A B B PWR FLT OEM series Test Configuration OEM750 Step and Direction Inputs The next drawing shows the test configuration with a separate indexer a motor and an OEM300 Power Module Compumotor OEM serie...

Page 22: ...r and reverse the direction sense for your system by reversing the motor leads going to the A and A terminals WARNING Never connect or disconnect any component to or from the drive with power applied System damage or personal injury may occur 6 After verifying that the motor moves CW and CCW turn off power Quick Test OEM750X 1 Complete steps 1 7 from the OEM750 Quick Test but turn DIP SW3 3 ON to ...

Page 23: ...wer The OEM750X s green power LED should be on If the red FAULT LED is on consult Chapter 4 Troubleshooting This test assumes that your indexer s motor resolution is set to 25 000 steps rev This is the default motor resolution setting for the OEM750X Note The drive and indexer resolutions are set independently Verify that the four drive resolution dip switches SW2 2 SW2 5 are all ON for 25 000 ste...

Page 24: ...abled Automatic Test Enabled Waveform on on off off on off on off Automatic Standby Full Current 75 Current 50 Current 25 Current Default Setting Default Setting on off off on off on on off off on off on off on off on off off off off on on on on Pure Sine 2 3rd Harmonic 4 3rd Harmonic 4 3rd Harmonic 4 3rd Harmonic 6 3rd Harmonic 8 3rd Harmonic 10 3rd Harmonic 50 800 50 000 36 000 25 600 25 400 25 ...

Page 25: ...nformation about selecting a waveform see Adjusting Motor Current Waveforms in Chapter 3 Automatic Standby SW3 1 and SW3 2 should be on if you do not use automatic standby this is the default position If you use an indexer and encoder for position maintenance we recommend that you do not use automatic standby The automatic standby function allows the motor to cool when it is not commanded to move ...

Page 26: ...P Settings table Use the next equation to determine your ideal loop gain Current Loop Gain Motor inductance Power Supply Voltage 364 000 Note inductance is in henrys supply voltage is in VDC To determine your actual loop gain choose a value from the DIP Settings table that is less than or equal to the ideal value Example An RS33B motor is used with a 75VDC power supply The ideal current loop gain ...

Page 27: ...S170 4N35 Fault Output 23 11 16 17 Remote Input Gear Shift Input 7 8 681Ω 10 9 3 4 ILD213 681Ω 14 13 5V 10kΩ 464Ω 12 243Ω HCPL 2631 ILD213 ILD213 ILD213 5V 464Ω 5V 6 Internal Connections Inputs Outputs 25 Pin D Connector on OEM750 Inputs and Outputs OEM750 Schematic STEP INPUT For every step pulse it receives on its step input the drive will commutate the motor to increment rotor position To send ...

Page 28: ...respect to DIR the drive will commutate the motor in the counterclockwise negative direction as it receives step pulses The input is optically isolated It may be differentially driven CAUTION Reverse voltage in excess of 6VDC may damage this device Your input driver must provide a minimum of 8mA at 3 5VDC to ensure proper operation With no external current limiting resistor the current is controll...

Page 29: ... a percentage if you short CURRENT and REMOTE with the appropriate resistor RREMOTE To calculate RREMOTE first select RC the resistor associated with your normal operating current see resistor selection tables in the Quick Test Next select RS the resistor in the same section of the table that is associated with your desired standby current Then use the following equation to find RREMOTE RREMOTE 13...

Page 30: ... With no external current limiting resistor the current is controlled by the applied voltage This is due to a fixed voltage drop of 1 5VDC on the opto LED and the internal series resistor 681Ω The gear shift function allows a user with a limited frequency generator to achieve higher velocities while using high resolu tion settings The drive multiplies each step pulse it receives by a factor of 8 T...

Page 31: ...X Schematic Several functions triggers limits sequence select inputs home and address select inputs require a ground reference For these functions use pin 7 on the 25 pin D connector for the ground Do not use the power supply ground VDC Pin 7 and VDC are internally connected but your system will be more immune to electrical noise if you use pin 7 CAUTION I O is not OPTO isolated Use Pin 7 for a gr...

Page 32: ...EM750X these inputs are enabled the default active state is high To test the OEM750X without connecting the CW and CCW limits you must disable the limits with the LD3 command You can use the Limit Switch Status Report RA and Input Status IS commands to moni tor the limits status and the OSA command to change the active level of the inputs The figure represents a typical configuration of these inpu...

Page 33: ...CT244 Normally Open Home Limit Switch External Devices Home GND 1 2 3 4 5 6 7 8 Maximum low level input 0 8V Minimum high level input 2V Home Input OUTPUT 1 PIN 10 AND OUTPUT 2 PIN 8 The OEM750X has two dedicated programmable outputs They may be used to signal peripheral devices upon the start or completion of a move The default state for outputs 1 and 2 is logic low The outputs are internally pul...

Page 34: ... can sink up to 50mA from the load Dedicated Fault Output BS170 8 9 10 11 12 13 5V 4 75KΩ External Devices Dedicated Fault Output SEQUENCE INPUTS 1 3 PINS 11 13 The OEM750X has three dedicated sequence inputs that allow you to control seven different sequences The default active state is high You must use the X commands particularly the XP command to configure these inputs Sequence Ø is not a vali...

Page 35: ...ypical configuration of these outputs RS 232C TX PIN 14 RX PIN 15 AND GROUND PIN 7 The OEM750X uses RS 232C as its communication medium It does not support handshaking A typical three wire Re ceive Transmit and Signal Ground configuration is used The figure represents a typical RS 232C configuration Internal Connections External Devices Transmit Receive GND Receive Transmit GND 1 2 3 4 5 6 7 8 14 ...

Page 36: ...Minimum high level output 4 26V source 24mA Maximum low level output 0 44V sinks 24mA Shutdown Output 14 15 16 17 18 Shutdown Output CLOSED LOOP OPERATION Closed loop moves require an external encoder to provide position correction signals Motor position may be adjusted to reach the desired position To implement the closed loop functions you must connect a single ended incremental optical encoder ...

Page 37: ...igh level input 2V Maximum encoder frequency 1 2MHz 14 15 16 17 18 19 20 7 Encoder Ground Encoder Inputs TRIGGER INPUTS 1 3 PINS 20 22 The OEM750X has three dedicated trigger inputs These inputs are pulled up internally They can be active high or active low depending on how you configure them with the Trigger TR command The figure represents a typical con figuration of these inputs Internal Connec...

Page 38: ... unit in the configuration must have a unique address The default address is 8 all three inputs are internally pulled up The address inputs are read only during power up and when Restart Z commands are issued Use the matrix below to assign unique address values Refer to the command for more information Address 1 2 3 3 5 6 7 8 Address 1 Ø 1 Ø 1 Ø 1 Ø 1 Address 2 Ø Ø 1 1 Ø Ø 1 1 Address 3 Ø Ø Ø Ø 1 ...

Page 39: ... daisy chained drives from all transmitting at the same time Attach device identifiers to the front of the command The Go G command instructs all drives on the daisy chain to go while 1G tells only drive 1 to go When you use a single communications port to control more than one OEM750X all drives in a daisy chain receive and echo the same commands Each drive executes these com mands unless this co...

Page 40: ...S32B P OEM83 93 5 6A 133 Watts 20 Watts 153 Watts RS33B P OEM83 135 6 9A 155 Watts 27 Watts 182 Watts S Series Configuration P Parallel Configuration OEM83 motors are wired internally in parallel User must supply this level of wattage Use the following equation to determine drive heat Drive Heat Watts 0 31 IM 2 1 13 IM 3 IM Motor Current Conversions To convert watts to horsepower divide by 746 To ...

Page 41: ...wired in series it will destroy the motor s windings POWER DUMP This drive has built in power dump circuitry to monitor power supply surges caused by a regenerative load The power dump circuit is used in conjunction with an externally mounted power resistor You must connect the power resistor from the VDC terminal to the DUMP terminal The circuitry effectively closes a switch to ground when the po...

Page 42: ...0 177 80 Mounting Clearance 2x 0 177 4 50 Thru Clearance for 8 M4 Mounting Screw 0 812 20 62 1 625 41 28 2 000 50 80 Mtg Clearance Dimensions in inches millimeters 1 000 25 40 0 335 8 51 Compumotor 5500 Business Park Dr Rohnert Park CA 94928 Exposed aluminum for electrical grounding This surface must be thermally coupled to a cold plate in most applications REMOTE REF CURRENT DUMP VDC VDC A A B B ...

Page 43: ... issue 0 375 9 52 4 65 118 1 2 35 59 1 2 50 8 2 50 8 Minimum Dimensions in inches millimeters REMOTE REF CURRENT DUMP VDC VDC A A B B PWR FLT OEM series 7 5 0 D R I V E 7 5 0 DRIVE REMOTE REF CURRENT DUMP VDC VDC A A B B PWR FLT OEM series 7 5 0 D R I V E 7 5 0 D RIVE REMOTE REF CURRENT DUMP VDC VDC A A B B PWR FLT OEM series 7 5 0 D R I V E 7 5 0 DRIVE REMOTE REF CURRENT DUMP VDC VDC A A B B PWR ...

Page 44: ... motion The current range DIP switches and the resistor that sets motor current determine the motor phase currents that cause the power losses shown in the figure above Overtemperature Protection The OEM750 OEM750X is overtemperature protected The drive is designed to operate in a maximum 50 C 122 F ambient with a maximum heatplate temperature of 55 C 131 F Do not allow the drive s heatplate tempe...

Page 45: ...e used for applications that do not have an adequate mounting surface Mounting With OEM HS1 Heatsink The small heatsink OEM HS1 may be purchased as an option It is intended to be used with a current setting up to 5A peak in still air at an ambient temperature of 25 C 77 F If the drive is mounted in ambient temperatures hotter than 25 C active cooling forced air will be required to maintain the hea...

Page 46: ...m depth configuration Panel layout for minimum area is shown in the next figure REMOTE REF CURRENT DUMP VDC VDC A A B B PWR FLT OEM series 7 5 0 D R I V E 7 5 0 DRIVE REMOTE REF CURRENT DUMP VDC VDC A A B B PWR FLT OEM series 7 5 0 D R I V E 7 5 0 DRIVE REMOTE REF CURRENT DUMP VDC VDC A A B B PWR FLT OEM series 7 5 0 D R I V E 7 5 0 DRIVE REMOTE REF CURRENT DUMP VDC VDC A A B B PWR FLT OEM series ...

Page 47: ...rature of 25 C 77 F If the drive is mounted in ambient temperatures hotter than 25 C active cooling forced air will be required to maintain the heatplate temperature below 55 C 131 F Mount the OEM750 OEM750X to the OEM HS2 heatsink with two 8 32 screws A heatsink with holes tapped for metric screws is available Its part number is OEM HS2 M4 Consult your Compumotor sales guide for more information ...

Page 48: ... PWR FLT 7 5 0 D R I V E 7 5 0 D R IVE OEM series REMOTE REF CURRENT DUMP VDC VDC A A B B PWR FLT OEM series 7 5 0 D R I V E 7 5 0 D RIVE REMOTE REF CURRENT DUMP VDC VDC A A B B PWR FLT OEM series 7 5 0 D R I V E 7 5 0 D RIVE REMOTE REF CURRENT DUMP VDC VDC A A B B PWR FLT OEM series 7 5 0 D R I V E 7 5 0 DRIVE REMOTE REF CURRENT DUMP VDC VDC A A B B PWR FLT OEM series 7 5 0 D R I V E 7 5 0 DRIVE ...

Page 49: ...s in the mounting structure that can cause fatigue in structural members A mechanical engineer should check the machine design to ensure the mounting structure is adequate WARNING Improper mounting can reduce performance and jeopardize personnel safety Do not modify or machine the motor shaft CAUTION Modifying or machining the motor shaft will cause bearing damage and void the motor warranty Conta...

Page 50: ...hafts must be free to move in the radial direction without constraint Do not us a double flex coupling in this situation it will allow too much freedom and the shaft will rotate eccentrically which will cause large vibrations and catastrophic failure Do not use a single flex coupling with a parallel misalignment this will bend the shafts causing excessive bearing loads and premature failure Double...

Page 51: ...cal construction It can cause the motor to stall at low speeds Most full step motor controllers jump the motor to a set minimum starting speed that is greater than the resonance region The OEM750 OEM705X s micro stepping capability allows you to operate a motor smoothly at all speeds Motors that will not accelerate past 1 rps may be stalling due to resonance You can add inertia to the motor shaft ...

Page 52: ... your specific motor You can tune your OEM750 OEM750X to your specific motor In the procedure below you will minimize resonance and optimize smoothness by adjusting the small potentiometers on the top of the unit The next figure shows the location of the potentiometers and their functions Phase B Offset Phase A Offset Top View Tuning Potentiometers Phase A Offset Adjusts DC offset of the phase cur...

Page 53: ...that is near the motor s resonance speed the phe nomenon will cause an audible vibration The goal of this method is to adjust the system for the least amount of vibration Stethoscope Method When you tune your motor under loaded conditions you can hear the audible vibration caused by the motor s natural frequency by placing the tip of a screw driver against the motor casing and placing the handle o...

Page 54: ... improvement is noted ADJUSTING MOTOR CURRENT WAVEFORMS Step motor manufacturers make every effort to design step motors that work well with sinusoidal current waveforms However due to physical limitations most motors operate best with a current waveform other than a pure sine wave The purpose of adjusting motor current waveforms is to cause the step motor to move with equal step sizes as the curr...

Page 55: ...hanges and additions The letters n represent variables that can change based upon the options ordered Motor Size New Part Number Old Part Number Size 23 OS2HA SNFLY OEM57 40 MO OS21A SNFLY OEM57 51 MO OS22A SNFLY OEM57 83 MO Double Shaft OS2nA DNFLY OEM57 nn MO DS23 Encoder OS2nA DNFLY HJ OEM57 nn MO ENC OS Series motors are the same motors as OEM57 Series Motors the new part number is the only di...

Page 56: ... 13 240 1 70 180 1 28 120 0 85 60 0 43 Parallel 5 6Apk OEM750 with RS31B or OEM83 62 Motor 24 VDC Power Watts Speed RPS 0 Torque oz in N m 0 10 20 30 40 50 14 Parallel 150 1 07 120 0 85 90 0 64 60 0 43 30 0 21 Parallel 4 4Apk OEM750 with OS2HA or OEM57 40 Motor 24 VDC Power Watts Speed RPS 0 Torque 40 oz in 0 28 N m 0 10 20 30 40 50 17 Parallel 4 Series 32 0 23 24 0 17 16 0 11 8 0 06 Series 2 65Ap...

Page 57: ...0 1 07 120 0 85 90 0 64 60 0 43 30 0 21 Parallel 4 4Apk OEM750 with OS2HA or OEM57 40 Motor 48 VDC Power Watts Speed RPS 0 Torque 60 oz in 0 43 N m 0 10 20 30 40 50 53 Parallel 23 Series 48 0 34 36 0 26 24 0 17 12 0 09 Series 2 65Apk Parallel 5 3Apk OEM750 with OS22A or OEM57 83 Motor 48 VDC Power Watts Speed RPS 0 Torque oz in N m 0 10 20 30 40 50 168 Parallel 76 Series 170 1 21 136 0 97 102 0 72...

Page 58: ...0 oz in 1 28 N m 0 10 20 30 40 50 144 1 02 108 0 77 72 0 51 36 0 25 171 Parallel 94 Series Series 3 8Apk Parallel 7 5Apk OEM750 with RS31B or OEM83 62 Motors 75 VDC Power Watts Speed RPS 0 Torque 150 oz in 1 06 N m 0 10 20 30 40 50 77 Parallel 120 0 85 90 0 64 60 0 43 30 0 21 Parallel 4 4Apk OEM750 with RS32B or OEM83 93 Motors 75 VDC Power Watts Speed RPS 0 Torque 300 oz in 2 13 N m 0 10 20 30 40...

Page 59: ...Arms 3 7 4 7 5 3 Phase inductance mH Series 1 7 1 8 2 8 Parallel 0 4 0 4 0 7 Detent Torque oz in 2 5 4 0 7 0 Nm 0 018 0 028 0 049 Bearings Information Thrust Load lb 13 13 13 kg 5 9 5 9 5 9 Radial load lb 20 20 20 kg 9 1 9 1 9 1 End Play reversing load equal to 1 lb in 0 001 0 001 0 001 mm 0 025 0 025 0 025 Radial Play per 0 5 lb load in 0 0008 0 0008 0 0008 mm 0 02 0 02 0 02 Motor Weight lb 1 1 5...

Page 60: ...6 9 6 Parallel 2 2 2 2 2 2 2 9 2 9 2 4 Detent Torque oz in 4 8 10 8 8 18 0 27 0 Nm 0 029 0 058 0 072 0 062 0 130 0 190 Bearings Information Thrust Load lb 50 50 50 180 180 180 kg 22 6 22 6 22 6 81 6 81 6 81 6 Radial load lb 25 25 25 35 35 35 kg 11 3 11 3 11 3 15 9 15 9 15 9 End Play reversing load equal to 1 lb in 0 005 0 005 0 005 0 001 0 001 0 001 mm 0 013 0 013 0 013 0 025 0 025 0 025 Radial Pl...

Page 61: ...me Size 23 Model OS2HA OS21A OS22A A 1 60 40 6 2 06 52 3 3 10 78 7 OEM57 40 OEM57 51 OEM57 83 Size 23 Frame OS Series and OEM57 Series Motors 2 885 2 865 73 28 72 77 dia 3 25 82 6 max 2 750 2 730 69 85 69 34 3 40 86 4 Max Casting Size 0 228 0 208 5 79 5 28 dia 4 on 3 875 98 43 BC 0 3750 0 3745 9 525 9 512 Shaft Dia 0 19 4 8 A 0 06 1 5 1 23 1 15 31 2 29 2 30 6 32 4 Equally Spaced on 2 952 74 98 BC ...

Page 62: ...qually spaced on a Ø3 875 98 43 B C 0 003 0 077 A Ø2 875 0 002 73 025 0 051 3 38 85 85 A 0 002 0 051 Ø0 3750 0 0000 0 0005 9 53 0 000 0 013 L2 0 003 0 077 A 2 02 51 31 max Removable insulating bushing Construction conduit Connection 1 2 NPS TAP with 0 56 14 22 I D removable insulating bushing R 1 72 43 69 Lmax Double Shaft Configuration 1 43 0 04 36 32 1 02 0 002 0 051 Ø0 3750 0 0000 0 0005 9 53 0...

Page 63: ...OEM E57 512 Lines EC OEM E83 1000 Lines ENCODER WIRES COLOR CODE HJ OEM E57 OEM750X D Connector Function Wire Color PIN Number Channel A White 17 Channel B Brown 18 Channel Z Blue 19 5 volts Red Ground Black 7 ENCODER WIRES COLOR CODE EC OEM E83 OEM750X D Connector Function Wire Color PIN Number Channel A Brown 17 Channel A Brown White Do not connect Channel B Green 18 Channel B Green White Do not...

Page 64: ... Tuning Specifications OEM750 56 ...

Page 65: ...d connections must be continuous and permanent Periodically check the mounting screws to ensure they are tight Motor Maintenance Inspect the motor regularly to ensure that no bolts or cou plings have become loose during normal operation This will prevent minor problems from developing into more serious problems Inspect the motor cable periodically for signs of wear This inspection interval is duty...

Page 66: ... to exchange them with existing components in your system to help identify the source of the problem Determine if the problem is mechanical electrical or soft ware related Can you repeat or re create the problem Ran dom events may appear to be related but they may not be contributing factors to your problem You may be experiencing more than one problem You must isolate and solve one problem at a t...

Page 67: ...D is red and illuminates when the amplifier is disabled This LED is activated when any of the following conditions occur Motor short circuit detected Drive overtemperature Internal fault detected The POWER LED is green and illuminates when the internal power supply is operating and providing 5V COMMON PROBLEMS AND SOLUTIONS The following table will help you eradicate most of the prob lems you migh...

Page 68: ...rrectly for your application The motor stalls during acceleration Motor current is not set correctly Check the current select resistor and verify that the current is set correctly The acceleration is set too high Decrease the acceleration There is insufficient rotor inertia Add inertia to the motor shaft Loop gain is not set correctly Verify correct current loop gain setting for the motor inductan...

Page 69: ...nated The drive is not receiving adequate DC voltage Verify the VDC and VDC connection Verify your power supply is producing adequate power Verify that there is DC voltage at the drive and at the VDC and VDC connection Drive screw terminals are loose Tighten screws do not tin wires Power LED is flashing DC Line voltage is too low I O incorrectly connected Check DC line voltage 24 VDC minimum Inter...

Page 70: ...eck the resistance between Phase A and Earth the motor case shaft It should be infinite Symptoms Probable Causes Solutions The motor fault LED is on The drive has detected a short circuit in the motor wiring Check for miswiring carefully check the motor wires for loose strand s shorting the windings The drive is overheating Verify that the drives heatsink does not exceed 55 C The drive may have in...

Page 71: ...e configured for the same baud rate 8 data bits 1 stop bit and no parity 3 Use DC common or signal ground pin 7 as a reference not earth ground 4 Cable lengths should not exceed 50 feet 15 m unless you are using some form of line driver optical coupler or shield As with any control signal be sure to shield the cable to earth ground at one end only 5 To test the terminal or terminal emulation softw...

Page 72: ... With what equipment is the unit interfaced What was the application What was the system sizing speed acceleration duty cycle inertia torque friction etc What was the system environment temperature enclosure spacing unit orientation contaminants etc What upgrades if any are required hardware software user guide 3 In the USA call your Automation Technology Center ATC for a Return Material Authoriza...

Page 73: ...necting Power The OEM750 OEM750X s protective earth connection is provided through its heatsink You must reliably earth the OEM750 OEM750X s protective earth connection Attach or remove the OEM750 OEM750X s power connections only while input power is OFF The OEM750 OEM750X s supply voltage is limited to 75 VDC Connecting the Protective Conductor Terminal to Earth You must provide a connection from...

Page 74: ...he protective conductor terminal and earth must be no greater than 0 1 Ω Use thicker gauge wire if the resistance is too high Providing a Protective Earth Connection for Motors You must provide a connection from the motor to a reliable protective earth This connection provides a protective earth for the motor contact point The motor s protective earth connection is important for safety reasons and...

Page 75: ...rer s installation instructions MECHANICAL Installing in an Enclosure The OEM750 OEM750X must be installed within an enclosure The enclosure s interior must not be accessible to the operator The enclosure should be opened only by skilled or trained service personnel Do Not Operate the OEM750 OEM750X Without Cover The cover provides mechanical support to the circuit assemblies inside SERVICING THE ...

Page 76: ...llowing symbols may appear in this user guide and may be affixed to the products discussed in this user guide Symbol Description Earth Terminal Protective Conductor Terminal Frame or ChassisTerminal Equipotentiality Caution Risk of Electric Shock Caution Refer to Accompanying Text Hot Surface ...

Page 77: ...ns Although these recommendations are based on expertise acquired during tests carried out on the OEM750 OEM750X it is impossible for Compumotor to guarantee the compliance of any particular installation Compliance will be strongly influenced by the physical and electrical details of the instal lation and the performance of other system components Nevertheless it is important to follow all the ins...

Page 78: ...C requirements of these must be considered during installation Always ensure that drives are mounted in such a way that there is adequate ventilation AC SUPPLY FILTERING These recommendations are based on the use of proprietary screen filter units which are readily available However the full EMC test includes a simulated lightning strike which will damage the filter unless adequate surge suppressi...

Page 79: ...ould not be laid parallel to power or motor cables and should only cross the path of these cables at right angles Bear in mind that control cables connected to other equipment within the enclosure may interfere with the controller or drive particularly if they have come from outside the cabinet Take particular care when connecting external equipment with the cabinet door open for instance a comput...

Page 80: ...as shown below This gives a degree of physical protection while the cable is being installed The sleeving should have a shrink ratio of at least 2 5 1 Cable ties may be used as an alternative however they give no physical protec tion to the absorber Ferrite absorber retained by heatshrink sleeving Ferrite Sleeve Installation R CLAMP INSTALLATION DETAILS The function of the R clamp is to provide a ...

Page 81: ...er vinyl jacket of the braided screen cable this allows the braid to continue to the cable connector Be careful not to damage the braid Snap the R clamp over the exposed braid and adjust for a tight fit Secure the clip to the designated ground with a machine screw and lock washer The use of brass or other inert conductive metal R clamp is recommended Cover any exposed bare metal with petroleum jel...

Page 82: ...ctive strip or apply thermal paste between the drive and mounting area if the mounting location is to serve as a heatsink FILTERING THE DC POWER SUPPLY In most installations the DC power supply providing DC voltage to the OEM Drive will require fitting of a mains filter A suitable filter and particular mounting recommendations should be made available by the power supply manufacturer When using Co...

Page 83: ...filter case to the earth stud Fit a ferrite absorber over the cable before wiring the filter output terminals to the AC input on the power supply Locate the absorber as close as possible to the power supply using heat shrink sleeving see the next figure Take the power supply earth connection from the same stud that retains the filter case earth Attach the DC power supply output to the OEM750 OEM75...

Page 84: ...4 inches 10 cm Configure the motor for series or parallel operation and attach the braided screen cable to the motor The use of a terminal block or other hardware is recommended as inline splicing on high power cables is not allowed Termination of the braid shield at the motor must be made using a 360 bond to the motor body This may be achieved by using a suitable clamp R clamp the braid see previ...

Page 85: ...TH IN ST AL L JU MPE R FO R 90 1 32 VA C 50 6 0 Hz RE MOVE JU MPE R FO R 18 0 26 5 VA C 50 6 0 Hz POW ER GND 75 VDC 2 7A GND R ESERVED D A N G E R HIG H VOLTAGE D A N G E R HI GH VO LT AG E US E ONL Y IN SU LA TE D W IR E FO R JU MPE R Motor Safety Earth Motor Feedback Cable Braided screen cables AC Input Cable AC Input Filter see text Ferrite absorber two wire twisted pair System Earth Point Moto...

Page 86: ...ol signals OTHER MOTORS WITH REMOVABLE CABLING Remove the motor cable from the standard motor and replace with a suitable cable described in Motor Cables following this section Termination of the braid shield at the motor must be made using a 360 bond to the motor body This may be achieved with use of an appropriate threaded insert or a suitable clamp For the latter R clamp the braid to the rear e...

Page 87: ...E D W IR E FO R JU MPE R Motor Feedback Cable AC Input Cable AC Input Filter see text Ferrite absorber two wire twisted pair Braided screen cables System Earth Point Green Yellow Safety Earth Conductor must be terminated to system earth point Motor such as RS Series motor with C10 option Motor with Removable Cabling MOTOR CABLES Use 4 core 1 5mm2 AWG 14 SWG 16 cable for the OEM750 OEM750X All afte...

Page 88: ...low level control signal cables This applies particu larly where the control cables are unscreened and run close to the drive or other sources of electrical noise MOTOR FEEDBACK CABLES Feedback devices such as encoders and tachometers also require the use of high quality braided screen cable If it is necessary to replace the standard feedback cable select a braided screen cable that matches the ga...

Page 89: ...mits and other I O that must reside external to the mounting cabinet braided screen cable must also be used Bond the braid to the machine frame earth ground at the sensor end No connection is made to the cable screen at the drive itself Fit a ferrite absorber close to the I O connector and run the cable to the mounting panel as shown in the previous figures Expose a short length of the braided scr...

Page 90: ...EMC INSTALLATION GUIDE OEM750 OEM750X 82 ...

Page 91: ...ve 34 encoder 55 motor 53 DIP switch location 7 DIP switch settings 16 direction change 20 direction input OEM750 20 OEM750X 23 double flex coupling 42 drive dimensions 34 drive resolution 17 E earth 65 Electromagnetic Compatibility Directive i 69 EMC cable connections 76 EMC installation instructions 69 emissions 70 enclosures 35 70 encoder color code 55 dimensions 55 inputs 29 specifications 55 ...

Page 92: ...ts 19 quick test 6 OEM750X description 4 inputs and outputs 23 quick test 14 options M2 5 high current heatsink OEM HS2 6 39 low current heatsink OEM HS1 6 37 oscillation 45 oscilloscope method 45 outputs 25 overtemperature protection 36 P panel layout 35 parallel motor wiring 8 part numbers filters 71 motors 47 pollution degree 65 position input 25 power dump and regeneration 33 power LED 59 powe...

Page 93: ...ounding board 45 specifications drive 47 encoder 55 motor 51 speed torque curves 48 standby current standby 17 step input OEM750 19 OEM750X 23 stethoscope method 45 symbols 68 T tachometer method 45 temperature measurement 36 test automatic test function 17 quick test 6 testing the motor 62 torque speed curves 48 transmit output TX for RS 232C 27 trigger inputs 29 troubleshooting 58 tuning potenti...

Page 94: ...INDEX OEM750 86 ...

Page 95: ...fault Setting on off off on off on on off off on off on off on off on off off off off on on on on Pure Sine 2 3rd Harmonic 4 3rd Harmonic 4 3rd Harmonic 4 3rd Harmonic 6 3rd Harmonic 8 3rd Harmonic 10 3rd Harmonic 50 800 50 000 36 000 25 600 25 400 25 000 21 600 20 000 18 000 12 800 10 000 5 000 2 000 1 000 400 200 Default Setting Default Setting Default 5 4 6 7 8 off off off off on on on on off o...

Page 96: ...nal Connections OEM750X Inputs Outputs 25 Pin D Connector Mounted on OEM750X 7 17 16 Tx Rx 1 2 3 4 5 6 8 9 10 11 12 13 14 15 19 18 21 20 23 22 25 24 N C N C N O N C N C N C CW Limit Step Output Direction Output CCW Limit Home Reserved GND Ref Output 2 Fault Output Output 1 Sequence 1 Sequence 2 Sequence 3 Shutdown Encoder Channel A Encoder Channel B Encoder Channel Z N C N C N C Trigger Input 1 Tr...

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