SR3-mini
Contents
1. Rev 1 0 3 22 2013 20 SR3 mini User Manual 6 2 Technical Specifications Power Amplifier Amplifier Type Dual H Bridge 4 Quadrant Current Control 4 state PWM at 16 KHz Power Supply External 12 48 volt power supply required Input Voltage Range 10 53 volts min max nominal 12 48 volts voltages outside this range will cause driver faults and or may damage the drive Protection Over voltage over current under voltage over temp internal motor shorts phase to phase phase to ground Ambient Temperature 0 40 C 32 104 F when mounted to a suitable heatsink Humidity 90 non condensing Controller Current Control Advanced digital current control provides excellent high speed torque Speed Range Speeds up to 3000 rpm Measures motor parameters to configure current control and anti resonance gain Auto Setup settings Step Input Inputs optically isolated 5 24 volts min pulse width 250 us max pulse STEP frequency 500KHz motor executes one step when the2. SR3 mini Step Motor Drive User Manual AMP amp MOONS Automation SR3 mini User Manual MOONS Contents BT deel ee Eee le 3 11 e 3 1 2 ET eT 3 1 3 Block Diagram E 4 1 4 Safety Eed 5 2 Gemma iz E 6 2 1 Mounting Hardware sss eee E DOS oS D 2 2 Choosing a Power EE 7 22 1 Voltage L ere euere D 222 BIN Mr E 9 3 EE 12 3 1 Connecting the Power Supply REENEN 12 3 2 Connecting the Inputs amp OUIDLIES ser sun 13 3 2 1 Connector Fir Pagani ee an 13 322 Ee ee DIR IS et 13 SS EN aisi ee Eee 14 d Switch Selecting ee TM 15 4 1 Running Current a een 15 4 3 IMIGFOSTED Setting EE 16 4 4 EE 17 4 5 Step Smoothing E EN 17 4 6 Control Mode nn au 17 Zr Noise TE 17 4 8 Motor SEICH ON eenegen deeg 18 o Troubleshooting nn een 19 6 Reference Materials cccccecccccsssececeeeeeeceseeseesseseeesaaeeeess 20 6 1 Mechanical Outline ss ea 20 6 2 Technical Eegeregie 21 6 3 We ell ER 6 4 Drive Motor Pestis en 23 Contacting MOON Sean 24 Rev 1 0 3 22 2013 2 SR3 mini User Manual 1 Introduction Thank you for selecting the MOONS SR3 mini step motor drive We hope our commitment to performance quality and economy will make a successful motion control project 1 1 Overview The SR3 mini Step motor drive is a cost effective high performance drive The design is based on advanced digital current control technology and features high torque low noise and low vibration Running current micro
3. Step amp Direction signals Asmall flat blade screwdriver for configuring the switches included 2 1 Mounting Hardware As with any step motor the SR3 mini must be mounted so as to provide maximum heat sinking and airflow Keep enough space around the Step motor drive to allow for airflow Never use the drive where there is no airflow or where other devices cause the surrounding air to be more than 40 C 104 F Never put the drive where it can get wet Never use the drive where metal or other electrically conductive particles can infiltrate the drive Always provide airflow around the drive Rev 1 0 3 22 2013 6 SR3 mini User Manual 2 2 Choosing a Power Supply The main considerations when choosing a power supply are the voltage and current requirements for the application 2 2 1 Voltage Selection The SR3 mini is designed to give optimum performance between 12 and 48 volts DC Choosing the voltage depends on the performance needed and motor drive heating that is acceptable and or does not cause a drive over temperature Higher voltages will give higher speed performance but will cause the SR3 mini to produce higher temperatures Using power supplies with voltage outputs that are near the drive maximum may significantly reduce the operational duty cycle The extended range of operation can be as low as 10 VDC minimum to as high as 53 VDC maximum When operating below 12 VDC the power supply input may require
4. 2 25 amps ambient of 40 C 24V Watts T 200x200x5 mm Aluminum Plate 48V Watts 50 40 G gt 30 2 2 B 20 a 10 0 0 10 20 30 40 50 Speed RPS Rev 1 0 3 22 2013 8 SR3 mini User Manual 2 2 2 Current The maximum supply currents required by the SR3 mini are shown in the charts below at different power supply voltage inputs The SR3 mini power supply current is lower than the winding currents because it uses switching amplifiers to convert a high voltage and low current into lower voltage and higher current The more the power supply voltage exceeds the motor voltage the less current will be required from the power supply It is important to note that the current draw is significantly different at higher speeds depending on the torque load to the motor Estimating how much current is necessary may require a good analysis of the load the motor will encounter SR3 mini Motor 17HD6426 06N Power Supply Current Supply Voltage 12V Drive Current1 65A 0 6 0 5 1 2 T 0 4 1 Torque Current z 0 8 o 03 Supply Current gt 0 6 5 Full Load 6 02 Supply Current F 04 NoLoad 01 0 2 0 0 0 10 20 30 40 50 Speed RPS SR3 mini Motor 17HD6426 06N Power Supply Current Supply Voltage 24V Drive Current1 65A 0 6 0 5 0 4 Torque Current z 0 3 Ka Supply Current 02 Full Load 6 Supplv Current l 0 1 No Load 6E 16 0 1 Speed
5. OFF combination of the switches Current Amps SW1 SW2 SW3 0 4 ON ON ON 0 8 OFF ON ON 12 ON OFF ON 1 6 OFF OFF ON 2 0 ON ON OFF 2 4 OFF ON OFF DNA ON OFF OFF 3 0 OFF OFF OFF G ON ON ON ON ON eme 0 4 0 8 1 2 1 6 eg WM Did NEM Wel SW1 ON ON ON ON SW2 SW3 2 0 2 4 2 7 3 0 Rev 1 0 15 3 22 2013 SR3 mini User Manual 4 2 Idle Current The running current of the SR3 mini is automatically reduced whenever the motor isn t moving Setting the SW4 switch to ON maintains 50 of the ON running current Setting this switch to OFF maintains 90 of the running current This 9096 setting is useful when a high holding torque is required OFF To minimize motor and drive heating it is highly recommended that the idle 90 5096 current reduction feature be set to 5096 unless the application requires the Idle Current higher setting 4 3 Microstep Setting SR3 mini setting switch SW5 SW6 SW7 SW8 There are 16 settings Steps Rev SW5 SW6 SW7 SW8 200 ON ON ON ON 400 OFF ON ON ON 800 ON OFF ON ON 1600 OFF OFF ON ON 3200 ON ON OFF ON 6400 OFF ON OFF ON 12800 ON ORE OFF ON 25600 OFF OFF OFF ON 1000 ON ON ON ORE 2000 OFF ON ON OFF 4000 ON OFF ON OFF 5000
6. OFF OFF ON OFF 6000 ON ON OFF EE 8000 OFF ON OFF OFF 10000 ON OFF OFF OFF 20000 OFF OFF OFF OFF Micorstep OFF OFF OFF OFF iss ss e esos esn Tee ON HHHH ER 200 400 800 1600 OFF OFF OFF OFF sws SET L aia Pis Jet we d 3200 6400 12800 25600 IEEE OFF OFF OFF OFF TT MTN EM We 1000 2000 4000 5000 OFF OFF OFF OFF Wes EM E AM ein 6000 8000 10000 20000 Rev 1 0 3 22 2013 16 SR3 mini User Manual 4 4 Self Test A built in self test feature is available on the SR3 mini to check the physical operation of the motor Setting switch SW9 to ON after the drive is powered up will cause the drive to perform a self test move of 2 revolutions both CW and CCW at irps Setting switch SW9 to OFF disables this feature OFF SELF TEST E 4 5 Step Smoothing Filter Command signal smoothing can soften the effect of immediate changes in velocity and direction making the motion of the motor less jerky An added advantage is that it can reduce the wear on mechanical components SW10 selects this function ON enables it OFF disables it This function can cause a small delay in following the control signal and it should be used with that in mind OFF 4 6 Control Mode Switch SW11 sets control mode Switch OFF sets the Step amp Dir mode Switch ON sets the CW CCW mode 4 7 Step Noise Filter Switch SW12 sets the digital signal filter The STEP and DIR signal inputs have built in digital filters and th
7. Drive Motor Heating Step motors convert electrical power from the driver into mechanical power to move a load Because step motors are not 100 efficient some of the electrical power turns into heat as it passes through the motor The amount of heating is not so much dependent on the load being driven as on the motor speed and power supply voltage There are certain combinations of speed and voltage at which a motor cannot be continuously operated without damage occurring to the motor A step motor typically reaches its maximum temperature after 30 to 45 minutes of operation A motor that runs for one minute and then rests for one minute is said to have a duty cycle of 50 Five minutes of running and five minutes of rest is also a 50 duty cycle However one hour of running and one hour of rest has the effect of 100 duty cycle as the motor will reach full and possible excessive temperature during the first hour The actual temperature of the motor depends on how much heat is conducted convected or radiated out of it The curves below result from measurements made in a 40 C 104 F environment with the motor mounted to an aluminum plate sized to provide a surface area consistent with the motor power dissipation Results may vary SR3 mini Motor 17HD6426 06N Wattage VS Speed 12V Watts 1 65 amps ambient of 40 C 24V Watts 60x65x6 mm Al
8. RPS 9 Rev 1 0 3 22 2013 SR3 mini User Manual SR3 mini Motor 17HD6426 06N Power Supply Current Supply Voltage 48V Drive Current1 65A 0 6 0 5 1 2 S 0 4 Torque Curves z T 03 Supply Current gt Full Load o 0 2 Supply Current LE NoLoad 0 1 0 0 0 10 20 30 40 50 Speed RPS SR3 mini Motor 23HS2449 01 Power Supply Current Supply Voltage 12V Drive Current 2 25A T 1 1 6 1 4 3 0 8 12 Torque Curves S 0 6 1 2 o Supply Current 5 0 8 5 Full Load e 0 4 0 6 Supply Current 0 4 No Load 0 2 0 2 0 0 Speed RPS SR3 mini Motor 23HS2449 01 Power Supply Current Supply Voltage 24V Drive Current 2 25A 1 2 1 4 1 1 2 2 1 E 0 8 Torque Curves z 0 8 a g 0 6 Supply Current 5 06 Full Load 0 4 0 4 Supply Current No Load 0 0 0 10 20 30 40 50 Speed RPS Rev 1 0 3 22 2013 10 SR3 mini User Manual Torque N m N o co o o e gt o ib o SR3 mini Motor 23HS2449 01 Power Supply Current Supplv Voltage 48V Drive Current 2 25A 20 30 Speed RPS 11 40 50 Torque Curves Supply Current Full Load Supply Current No Load Rev 1 0 3 22 2013 SR3 mini User Manual 3 Connections 3 1 Connecting the Power Supply If the power supply does not have a fuse on the output or some
9. STEP input closes Direction Input Inputs optically isolated 5 24 volts min pulse width 62 5 us max pulse DIR frequency 500KHz direction of rotation is controlled by the DIR input state Enable Input Inputs optically isolated 5 24 volts min pulse width 500 us max pulse EN frequency 10 KHz enables or disables the drive amplifier Running Current Switch selectable 8 settings 3 amps peak maximum Idle Current Automatically reduces the current 1 second after the motor stops switch Reduction selectable 2 settings 50 or 90 of the running current Microstep Resolution Switch selectable 16 settings 200 400 800 1600 3200 6400 12800 25600 1000 2000 4000 5000 6000 8000 10000 20000 steps rev Self Test Checks internal and external power supply voltages 2 rev move both CW and CCW at irps switch selectable ON or OFF Modes Of Control Step 8 Direction CW CCW Rev 1 0 3 22 2013 21 SR3 mini User Manual 6 3 Torque Curves 17HD6426 06N Microstep 20000 step rev EN N Current 1 65A Peak 0 5 0 4 E Z 03 o 3 g o 02 E 0 1 0 Speed rps 23HS2449 01 Drive SR3 mini Microstep 20000 step rev izv v a Current 2 25A Peak 1 2 1 E os 06 g o F 04 0 2 0 Speed rps Note all torque curves were measured at 20 000 steps rev Rev 1 0 3 22 2013 22 SR3 mini User Manual 6 4
10. ee 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 Rev 1 0 3 22 2013 ER EN 5 24V Power Switch or Relay SR3 mini closed logic low Supply d doa Connecting the Input to a Switch or Relay _EN 5 24V ja Power NPN SR3 mini Supply Proximity kx Connecting an NPN type Proximity Sensor to an input when prox sensor activates input goes low l GH T an 5 24V Proximity Power Sens r SR3 mini Supply EN En Connecting an PNP type Proximity Sensor to an input when prox sensor activates input goes low 14 SR3 mini User Manual 4 Switch Selecting LED SW1 8 SW9 12 SW1 SW2 SW3 T SW5 SW6 SW7 SW8 Running Current Idle Current Microstep SW9 SW10 SW11 SW12 Self Test Control Mode Step Smoothing Filter Step Noise Filter 4 1 Running Current The output current of the SR3 mini step motor drive is set by the SW1 SW2 and SW3 switches and can be changed as necessary There are 4 settings available according to the ON
11. igh speed optically isolated inputs called STEP and DIR They accept 5 to 24 volt single ended or differential signals up to 500KHz The maximum voltage that can be applied to the input is 28V The motor executes one step when the STEP input closes The direction of rotation is controlled by the DIR input state A closed input logic 0 will result in clockwise rotation and an open input logic 1 will result in counterclockwise rotation Eerma Bii Indexer DIR DIR with SR3 mini Sinking STEP Outputs II STEP STEP Connecting to Indexer with Sinking Outputs R DIR Indexer or with COM DIR Sourcing O SR3 mini Outputs STEP STEP STEP Connecting to Indexer with Sourcing Outputs oer wm Dr mp Differential STE Outputs oO GC Ke ES STEP U STEP L STEP SR3 mini 70 Connecting to Indexer with Differential Outputs Many high speed indexers have differential outputs Rev 1 0 13 3 22 2013 SR3 mini User Manual 3 2 3 EN Input The EN input enables or disables the drive amplifier It is an optically isolated input that accepts a5to 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 drive amplifier is deactivated All the MOSFETs will shutdown and the motor is fr
12. is setting will reduce external noise If the system works on the low microstep select the 150 KHz ON setting If the system works on the high microstep select the 500KHz OFF setting ON OFF 150 KHz 500KHz Rev 1 0 IF 3 22 2013 SR3 mini User Manual 4 8 Motor Selction Motor wires setting GND Black At 4 LEAD Motor Green A Rev 1 0 3 22 2013 18 SR3 mini User Manual 5 Troubleshooting LED Error Codes The SR3 mini has one bicolor red green LED to indicate status and errors When the motor is enabled the LED slowly flashes green When the LED is solid green the motor is disabled If the LED flashes red an error has occurred Errors are indicated by a combination of red and green flashes as follows Code Error Q Solid Motor Disabled o Q Flashing Motor Enabled 00 00 Q0 3red 1 green Over Temperature 0000 0 red 2 green Bad Internal Voltage Q 00 GO red 1 green Power Supply Over voltage 00000 Q0 4 red 2 green Power Supply Under Voltage 000 0 0 Q 5 ed 1green Over Current Short Circuit 000000 0 5 ed 1 green Open Widing Rev 1 0 19 3 22 2013 SR3 mini User Manual MOONS 6 Reference Materials 6 1 Mechanical Outline
13. kind of short circuit current limiting device a fast acting fuse is required A 3 amp fast acting fuse should be installed in line with the power supply lead Connect the power supply terminal to the drive V terminal Connect the power supply terminal to the drive V terminal Be careful not to reverse the wires Reversing the connection may open the internal fuse and void the warranty If a regulated power supply is being used there may be a problem with regeneration When a load decelerates rapidly from a high speed some of the kinetic energy of the load is transferred back to the power supply possibly tripping the over voltage protection of a regulated power supply causing it to shut down This problem can be solved with the use of a MOONS RC880 Regeneration Clamp It is recommended that an RC880 initially be installed in an application If the regen LED on the RC880 never flashes the clamp is not necessary LEDs Green Power Red Regen RC880 Regen Clamp Rev 1 0 3 22 2013 12 SR3 mini User Manual 3 2 Connecting the Inputs amp Outputs 3 2 1 Connector Pin Diagram Jg m ceseseeseesecesceecoeseeseeny i Inside drive i V a Y geg DA Power 6 V o i i U i L STEP c DIR l STEP 5 Ar gt Inputs DIR o UPR DIR o i 1 EM e i EN CE 3 2 2 STEP amp DIR Inputs The SR3 mini step motor drive has two h
14. larger capacitance to prevent under voltage and internal supply alarms Current spikes may make supply readings erratic The supply input cannot go below 12 VDC for reliable operation Absolute minimum power supply input is 10 VDC Ifthe Input supply drops below 10 VDC the low voltage alarm will be triggered This will not fault the drive Absolute maximum power supply input is 53 VDC at which point an over voltage alarm and fault will occur When using a power supply that is regulated and is near the drive maximum voltage of 53 VDC a voltage clamp may be required to prevent over voltage when regeneration occurs The RC880 Regeneration Clamp is recommended for the SR3 mini in this situation see 3 1 Connecting the Power Supply below When using an unregulated power supply make sure the no load voltage of the supply does not exceed the drive s maximum input voltage of 53 VDC The charts below show the heat output in watts of the drive at various speeds and voltages See section 6 4 on Drive Motor Heating for more information SR3 mini Motor 17HD6426 06N Wattage VS Speed 12V Watts 1 65 amps ambient of 40 C 24V Watts 60x65x6 mm Aluminum Plate 48V Watts 60 f AI Z 40 gt 30 E a 3 dam S Is L 10 E 0 0 10 20 30 40 50 Speed RPS 7 Rev 1 0 3 22 2013 SR3 mini User Manual SR3 mini Motor 23HS2449 01 Wattage VS Speed 12V Watts
15. om 10E No 73 Wangjiao Mansion mid Hongkong Road Qingdao 266071 P R China Tel 86 0 532 85879625 Fax 86 0 532 85879512 m Wuhan Branch Office Room 3001 World Trade Tower No 686 Jiefang Avenue Jianghan District Wuhan 430022 P R China Tel 86 0 27 85448742 Fax 86 0 27 85448355 m Nanjing Branch Office Room 302 Building A Tengfei Creation Center 55 Jiangjun Avenue Jiangning District Nanjing 211100 P R China Tel 86 0 25 52785841 Fax 86 0 25 52785485 m Chengdu Branch Office Room 1917 Western Tower No 19 4th Section of South People Road Wuhou District Chengdu 610041 P R China Tel 86 0 28 85268102 Fax 86 0 28 85268103 Rev 1 0 3 22 2013 24
16. possible without a low resistance earth connection This product contains electrostatically sensitive components that can be damaged by incorrect handling Follow qualified anti static procedures before touching the product During operation keep all covers and cabinet doors shut to avoid any hazards that could possibly cause severe damage to the product or personal health During operation the product may have components that are live or have hot surfaces Never plug in or unplug the step motor drive while the system is live The possibility of electric arcing can cause damage Be alert to the potential for personal injury Follow all recommended precautions and safe operating practices Safety notices in this manual provide important information Read and be familiar with these instructions before attempting installation operation or maintenance The purpose of this section is to alert users to the possible safety hazards associated with this equipment and the precautions necessary to reduce the risk of personal injury and damage to equipment Failure to observe these precautions could result in serious bodily injury damage to the equipment or operational difficulty 5 Rev 1 0 3 22 2013 SR3 mini User Manual 2 Getting Started To use the SR3 mini step motor drive the following items are needed A12 48 volt DC power supply see the section below entitled Choosing a Power Supply for help in choosing the right one
17. r Manual 1 4 Safety Instructions Only qualified personnel should transport assemble install operate or maintain this equipment Properly qualified personnel are persons who are familiar with the transport assembly installation operation and maintenance of motors and who meet the appropriate qualifications for their jobs To minimize the risk of potential safety problems all applicable local and national codes regulating the installation and operation of equipment should be followed These codes may vary from area to area and it is the responsibility of the operating personnel to determine which codes should be followed and to verify that the equipment installation and operation are in compliance with the latest revision of these codes Equipment damage or serious injury to personnel can result from the failure to follow all applicable codes and standards MOONS does not guarantee the products described in this publication are suitable for a particular application nor do they assume any responsibility for product design installation or operation Read all available documentation before assembly and operation Incorrect handling of the products referenced in this manual can result in injury and damage to persons and machinery All technical information concerning the installation requirements must be strictly adhered to Itis vital to ensure that all system components are connected to earth ground Electrical safety is im
18. step resolution and other parameters are switch selectable so software configuration is not required 1 2 Features Power Supply Operates from a 12 to 48 volt DC power supply Inputs 3 optically isolated digital inputs 5 to 24 volts Speed Range up to 3000 rpm Current Control 3 piano switch setting running current 3 amps peak maximum e Idle Current Switch selectable for reduction to 50 or 90 of running current 1 second after the motor stops Self Test Performs a 2 rev 1 rps CW CCW move test switch selectable ON or OFF Control Mode Step amp Direction mode CW CCW mode Microstep Resolution 4 piano Switch selectable 16 settings 200 400 800 1600 3200 6400 12800 25600 1000 2000 4000 5000 6000 8000 10000 20000 steps rev Rev 1 0 3 22 2013 SR3 mini User Manual 1 3 Block Diagram SR3 mini Block Diagram Input Filter CL Control Mode Step Res 4 ECH Smoothing Filter Step Res 3 CH Self Test EL Step Res 2 C Step Res 1 CLA Idel Current CH Current Level 3 CJ Current Level 2 CJ Current Level 1 ETH Keen 12 48 DC S S External So A Power Supply 3 12 to 48VDC SEN e 7 y L STEP u STEP E D DIR eS DIR EN EN I O Configurations STEP 5 24V DIR 5 24V EN 5 24V Step Input Direction Input Enable Input CW CCW Alarm Reset Rev 1 0 3 22 2013 SR3 mini Use
19. uminum Plate 48V Watts 60 50 g 40 G gt 2 30 2 gt W 20 o 3 Q 10 0 0 10 20 30 40 50 Speed RPS SR3 mini Motor 23HS2449 01 Wattage VS Speed 12V Watts 2 25 amps ambient of 40 C 24V Watts 200x200x5 mm Aluminum Plate 48V Watts 60 50 g 40 S gt a 30 2 gt 9 20 o 3 10 0 0 10 20 30 40 50 Speed RPS Rev 1 0 23 3 22 2013 SR3 mini User Manual 7 Contacting MOONS Service Center p 86 400 820 9661 m Headquarters No 168 Mingjia Road Industrial Park North Minhang District Shanghai 201107 P R China Tel 86 0 21 52634688 Fax 86 0 21 62968682 E mail info moons com cn u MOONS Industries America Inc 1113 North Prospect Avenue Itasca IL 60143 U S A Tel 001 630 833 5940 Fax 001 630 833 5946 m MOONS Industries Europe S r l Via Torri Bianche n 1 20059 Vimercate MB Italy Tel 39 039 62 60 521 Fax 39 039 96 31 409 u MOONS Industries South East Asia Pte Ltd 33 Ubi Avenue 3 08 23 Vertex Singapore 408868 Tel 65 6634 1198 Fax 65 6634 1138 m Shenzhen Branch Office Room 2209 22 F Kerry Center No 2008 Renminnan Road Shenzhen 518001 P R China Tel 86 0 755 25472080 Fax 86 0 755 25472081 Beijing Branch Office Room 202 Unit 2 7th Building Huilongsen International Science amp Technology Industry Park No 99 Kechuang 14th Street Beijing 101111 P R China Tel 86 0 10 59755578 Fax 86 0 10 59755579 Qingdao Branch Office Ro
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