2 Phase Step Motor Drive
Contents
1. 10 5 Motor Selection 10 5 1 Recommended Motors 11 6 Error 5 13 7 Reference Materials 13 7 1 Mechanical Outline 13 125748 101 10 T TT 14 2 1 Electrical Specifications aiu rated 14 7 2 2 Environmental Specifications a 14 7 3 Torque Curves nennen mnes nenas 15 8 Contacting MOONS nennen nna 16 Rev 1 0 8 30 2010 2 SR8 User Manual 1 Introduction Thank you for selecting the MOONS SR8 Motor Drive We hope our commitment to performance quality and economy will make a successful motion control project 1 1 Overview The SR series drives are cost effective high performance 2 phase step drives The design is based on PID current control technology and features high torque low noise and low vibration The running current and microstep resolution are switch selectable 1 2 Features Power Supply operates from a 24 to 75 volt DC power supply Output Power position swit2. la z me STEPD Soni eme __6 0 5 m o pow STEP nmam Pase wanana om mue wem o uwewwe wan m wc wc Sterr masora voas wc 5 7 2 2 Environmental Specifications Heat Sinking Method Natural cooling or fan forced cooling Surrounding Air Conditions Avoid dust oily mist and corrosive air Operating Temperature 0 40 C 32 104 F Maximum Ambient Humidity 90 non condensing Storage Temperature 10 0 C 14 158 F Rev 1 0 8 30 2010 15 SR8 User Manual res Torque N m Torque N m Torque N m Torque N m Torque Curves 23HS0416 01 Drive 588 Microstep 51200 steps rev Current 4 8A Peak 0 10 20 30 40 50 Speed rps 23HS3422 06 Drive 588 Microstep 51200 steps rev Current 4 8A Peak 0 10 20 30 40 50 Speed rps 34HD0801 02 Drive 5288 Microstep 51200 steps rev Current 6 4A Peak 0 10 20 30 40 50 Speed rps 34HD2801 05 Drive SR8 Microstep 51200 steps rev Current 5 6A Peak 0 10 20 30 40 50 Speed rps 19 23HS2442 05 Drive SR8 Microstep 51200 steps rev Current 4 8A Peak
3. Torque N m Speed rps 24HS5401 10N Drive SR8 Microstep 51200 steps rev Current 4 8A Peak 2 5 Torque N m 0 10 20 30 40 50 Speed rps 34HD1801 02 Drive 588 Microstep 51200 steps rev Current 6 4A Peak Torque N m Speed rps Rev 1 0 8 30 2010 SR8 User Manual 8 Contacting MOONS Headquarters 168 Mingjia Road Minhang District Shanghai 201107 P R China Tel 86 0 21 52634688 Fax 86 0 21 52634098 Shenzhen Branch Office Room 2209 22 F Kerry Center 2008 Renminnan Road Luohu District Shenzhen 518001 P R China Tel 86 0 755 25472080 Fax 86 0 755 25472081 B Beijing Branch Office Room 202 Unit 2 7th Building Huilongsen International Science Technology Industry Park No 99 kechuang 14th street Beijing 101111 P R China Tel 86 0 10 59755578 Fax 86 0 10 59755579 B Nanjing Branch Office Room 302 Building A Tengfei Creation Center 55 Jiangjun Road Jiangning District Nanjing 211100 P R China Tel 86 0 25 52785841 Fax 86 0 25 52785485 Qingdao Branch Office Room E 10th Floor 73 Wangjiao Mansion Hongkong Middle Road Shinan District Qingdao 266071 P R China Tel 86 0 532 85879625 Fax o6 0 532 859 9512 B Europe Branch Moons Industries Europe S R L Via Torri Bianche n 1 20059 Vimercate MB Italy Tel 39 039
4. ase Step Motor Drive MOONS SR STEP MOTOR DRIVER SR8 4696351000176 Input Voltage 24 75VDC Output Current 7 8A PEAK OUT OUT CN EN EN DIR DIR STEP STEP SW8 SW7 SW6 SW5 SW4 Sw 3 Sw2 Half Current 808 Current z Say Test Sableq LE D Codes TOR ERE Made In China User Manual Rev 1 1 AMP amp MOONS Automation SR8 User Manual Contents 1 RI IIRIRRRRRR RII 3 1 1 COVEN VICW 3 1 2 5 3 1 9 FLOCK diagram 4 2 Mounting the Drive 4 5 5 3 1 Connecting to the Power Supply 5 3 2 Connecting to a Motor 5 3 3 Connecting to the Inputs 6 3 3 1 Step amp Direction 6 33 2 EN 1010 MR M T 855598 8 4 Switch Selection 9 Musas NR 9 4 2 Idle 9 4 3 Microstepping 9 4 4 Self 1 5
5. 62 60 521 Fax 39 039 96 31 409 Service Center 86 400 820 9661 Rev 1 0 8 30 2010 16
6. Each position of the 16 bit rotary switch selects a different motor and automatically sets the configuration parameters in the drive The SR8 drive comes programmed with up to 8 typical motors as factory defaults Drives can be customized with specially selected motors when required The rotary switch also selects a low or high inertia for each motor to allow for various load conditions The low setting is 1 1 and the high setting is 10 1 Each motor in the loaded database has unique settings to optimize the anti resonance oee the table below When the motor selection is changed the drive power supply will need to be cycled ome 5 _ 8 ow mee m Lp mm Motor selections ending in L are for low inertia and those ending in H are for high inertia Rev 1 0 8 30 2010 10 SR8 User Manual 5 1 Recommended Motors 23HS Series 1 8 47 14 0 20 4 5 1 0 47 14 0 20 056 4Max 5 8 0 1 Unit mm Parameters PART CONNECTION 24HS Series 1 8 20 6 0 5 38 1 0 05 Parameters Unit mm PART CONNECTION Rev 1 0 Hn 8 30 2010 SR8 User Manual 34HD Series 1 8 85MAX 2 6 5 0 2 2 73 025 0 025 8 LEAD WIRES AWG22 UL3266 12 7 0 013 e I Unit
7. mm Parameters Aue sers oe STEP ROTOR MOTOR PART CONNECTION LENGTH ANGLE AMPS OHMS MH INERTIA WEIGHT mm TORQUE LEADS DEG Kg mNm 2400 4 5 0 48 1 7 34HD0801 02 Bipolar series 66 5 3000 8 1 8 3 18 0 96 6 8 1100 1 6 Bipolar parallel 3000 6 3 0 24 1 7 unipolar 4800 4 5 0 66 2 7 34HD1801 02 Bipolar series 96 6500 8 1 8 3 18 1 32 10 8 1850 2 7 Bipolar parallel 6500 6 3 0 33 2 7 unipolar 7000 4 0 97 5 4 34HD2801 05 Bipolar series 125 5 9800 8 1 8 2 8 1 94 21 6 2750 3 8 Bipolar parallel 9800 5 6 0 485 5 4 Rev 1 0 8 30 2010 12 SR8 User Manual 6 Error Codes The 558 Step Drive has one bicolor red green LED to indicate status When the motor is en abled the green LED flashes slowly When the green LED is solid the motor is disabled If the red LED flashes an error has occurred Errors are indicated by a combination of red and green flashes as follows Solid green Motor disabled Flashing green Motor enabled 00000 3 red 2 green Bad internal voltage 00000 4red 1 green Over voltage 0900000 4red 2 green Under voltage 0600000 5 1 green Overcurrent short circuit 09000000 Gred 1 green Open motor winding 7 Reference Materials 7 1 Mechanical Outline 2 4 50 33 22 50 75 50 22 30 22 50 Unit mm Rev 1 0 8 30 2010 SR8 User Manual 7 2 Specifications 7 2 1 Electrical Specifications Pn om we m m we
8. power supply to the drive terminal labeled V Be careful not to reverse the wires 3 2 Connecting to a Motor A 4 LEAD BIPOLAR MOTOR B e LEAps SERIES CONNECTED C e LEADS CENTER TAP CONNECTED Black Black Black 4 LEAD MOTOR 6 LEAD 6 LEAD Yellow NC MOTOR Yellow A MOTOR Green A Green A Green NC B NC B B NC Red White Blue Red White Blue BlueB D s LEADS PARALLEL CONNECTED E s LEADS SERIES CONNECTED Yellow 8 LEAD Orange Yellow MOTOR Green A A Green Red White Brown B White Blue B Rev 1 0 8 30 2010 SR8 User Manual 3 3 Connecting to the Inputs 3 3 1 Step amp Direction Inputs The 558 Step Drive has two high speed optically isolated inputs called STEP and DIR They ac cept 5 to 24 volt single ended or differential signals up to 2MHz The maximum voltage that can be applied to the input is 28V The motor executes one step with the falling edge of the STEP signal The direction of rotation is controlled by the DIR signal level A low level signal 0 level will result in clockwise rotation and a high level signal 1 level will result in counterclockwise rotation Indexer with Sinking Outputs Indexer with Sourcing Outputs Indexer with Differential I STEP STEP Outputs Connecting to Indexer with Differential Outputs Many high speed indexers have differential
9. ch selectable 8 settings maximum 7 8 amps peak Current Control advanced digital current control provides excellent high speed torque e Microstep Resolution position switch selectable 8 settings 400 800 1600 3200 6400 12800 25600 51200 step rev Speed Range speeds up to 3000 rom Anti Resonance raises the system damping ratio to eliminate midrange instability and allow stable operation throughout the speed range of the motor Auto Setup measures motor parameters and configures motor current control and anti reso nance gain settings Microstep Emulation performs high resolution stepping by synthesizing coarse steps into fine micro steps e Control Modes Step Direction or CW CCW pulse Input Digital Filters 2 MHz digital filter for high speed inputs Motor Type Select a 16 bit rotary switch is used to select the desired motor database which is pre loaded at the Factory Load Inertia Select as part of the motor database each motor can be selected for use with low or high load inertia Idle Current switch selectable for 50 or 90 idle running current reduction 1 second after the motor stops Self Test switch selectable the drive will perform a 2 rev 1 CW CCW test Rev 1 0 8 30 2010 SR8 User Manual 1 3 Block diagram SR8 Block Diagram 24 75VDC External Power Supply 5V switching reg MOSFETs 8 motor Rotary code switch O
10. ing a Sinking Output 5 24 volt Power Supply Connecting a Sourcing Output 5 24 volt Power Supply 5 24 volt Power Supply Driving a Relay Rev 1 0 8 30 2010 8 SR8 User Manual 4 Switch Selection Running Current Idle current Microstepping Self test 4 1 Running Current The output current of the SR8 Step Drive is set by the SW1 SW2 SW3 switches and can be changed as necessary There are 8 settings available according to the ON OFF combination of the switches OFF OFF OFF 4 2 Idle Current The running current of the SR8 drive is automatically reduced anytime the motor isn t moving Setting the SW4 switch to ON reduces the current to 50 of its running value Setting this switch to OFF maintains 90 of the running current This 9096 setting is useful when a high holding torque is required To minimize motor and drive heating it is highly recommended that the idle current reduction feature be set to 5096 unless the application requires the higher setting 4 3 Microstepping The microstep resolution is set by the SW5 SW6 and SW7 switches There are 8 settings FUE s a OFF OFF OFF Rev 1 0 8 30 2010 SR8 User Manual 4 4 Self Test Setting switch SW8 to ON after the drive is powered up will cause the drive to perform a self test move of 2 revolutions both CW CCW at 1rps Setting switch SW8 to OFF disables this feature 5 Motor Selection
11. outputs Encoder Wiring for Encoder Following Rev 1 0 8 30 2010 6 SR8 User Manual 5 to 24V Power run stop switch Supply closed run Using Mechanical Switches 3 3 2 EN Input The EN input enables or disables the drive amplifier It is an optically isolated input that accepts a 5 to 24 volt single ended or differential signal The maximum voltage that can be applied to the input is 28V When EN input is closed the driver amplifier is deactivated All the MOSFETS will shut down and the motor will be free When EN input is open the drive is activated When the drive has encountered an error and the fault is removed from system a falling signal into the EN input will reset the error status and activate the drive amplifier again Switch or Relay closed logic low NPN Proximity Sensor Connecting an NPN type Proximity Sensor to an input when prox sensor activates input goes low Proximity Sensor Connecting an PNP type Proximity Sensor to an input when prox sensor activates input goes low Rev 1 0 8 30 2010 SR8 User Manual 3 3 3 Fault Output The FAULT Output is optically isolated The maximum collector current is 100mA and the maxi mum collector to emitter voltage is 30 volts The output can be wired to sink or source current When drive is working normally the output is open When the drive encounters an error the output closes 5 24 volt Power Supply Connect
12. ptical Isolation 8 bit switch 2 Mounting the Drive The SR8 Step Drive can be mounted on the wide or the narrow side of the chassis If it is mount ed on the wide side M3 screws should be used through the four corner holes For narrow side mounting applications M3 screws can be used in the two side holes The amplifiers in the drive generate heat To operate the drive continuously at maximum power forced air cooling as from a fan should be provided Never use the drive in a space where there is no air flow or where other devices can cause the surrounding air to be more than 40 C Never put the drive where it can get wet or where metal particles can fall into it Rev 1 0 8 30 2010 4 SR8 User Manual 3 Connections To use the SR8 Step Drive the following items ECL ded Rotary Switch Sere FAULT Output Apower supply 24 75 VDC DIR Input Pulse amp Direction signal STEP Input Acompatible step motor Sw8 Selection 28 Switches SW1 3 1 Connecting to the Power Supply Motor Connections If the power supply does not have a fuse on the Power Connector V output or some kind of short circuit current limiting device a fast acting fuse is required An 8 amp fast acting fuse should be installed in line with the power supply lead Grounding screw Connect the motor power supply terminal to the drive terminal labeled V Connect the
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