LB0009-02GB
Contents
1. SMC15 41 128 5 SHE 106 5 21Te If the Driver is mounted in a closed cabinet a fan or other form of ventilation should be installed The Driver is however protected against overheating Built in thermal protection disconnects the Driver stages at a tempera ture of approximately 80 C 27 3 1 Physical Dimensions Types SMD11x 138 0 0000 caca caca 111 4 O 1000000 171mm O l c5 128 5 3HE ESE I If the Driver is mounted in a closed cabinet a fan or other form of ventilation should be installed The Driver is however protected against overheating Built in thermal protection disconnects the Driver stages at a tempera ture of approximately 80 C 28 3 2 Electrical Sp2. Error Status Output The Status Output enables PLC equipment for ex ample to sense if the motor is stopped or running When the motor is operating the voltage at the Status Output is logic When the motor is sta tionary a voltage of 5 30V is output at the Status Output depending on the user supply The maxi mum rated current at the Output is 50 mA Note that the Status Output is not short circuit protected It is however protected against inductive transients for example from magnetic valves etc 17 16A Status and Error Outputs 5 30VDC 3 Error Output The Error Output is used to indicate that an error condition preventing normal operation of the Driver has occurred The Error Output is activated logic 1 in the fol lowing cases 1 One of the two end of travel inputs CW Limit or CCW Limitlnputs has been activated logic 1 2 The Stop Input has been activated logic 1 3 The Driver has been over loaded short circuited motor output The maximum rated current at the Output is 50mA The Error Output is not short circuit protected 1 13 Master With built in Step Generator 16C DIR Out JUL SMD10 18 Step Pulse Output CLK and Direction Output DIR The Step Pulse and Direction Outputs enable sev eral step motor Drivers to be driven synchronously The Outputs can b
3. Supply 5 30VDC 15 CCW Limit Input If the motor is rotating counter clockwise and the CCW Limit Input is activated logic 1 the motor is stopped instantaneously The CW Limit Input has no effect during counter clockwise rotation CW Limit Input If the motor is rotating clockwise and the CW Limit Input is activated logic 1 the motor is stopped instantaneously The CCW Limit Input has no effect during clockwise rotation The Error Output and Error LED are activated when either the CW or CCW Limit Input is used to stop motor operation If either of the Limits Inputs is not used it will be in active logic 0 and thus have no effect on motor operation 1 11 Stop Input p ej Stop Switch Supply 5 30VDC SMD10 19 The Stop Input is used to stop motor operation in If no connection is made to the Stop Input it is in stantaneously regardless of the direction of rota active and has no effect on motor operation tion To stop the motor using the Stop Input the In put is activated logic 1 If the Stop Input is deactivated logic 0 motor operation will continue However the instantaneous stop will most likely have resulted that the motor has an undefined position since activation of the Stop Input does not take account of any accelera tion deceleration ramp 16 1 12 o o e Status
4. Optically isolated from other circuitry 0 10VDC SMD10 09 Driver models with built in Step Generator only 19 1 14 Overview of Driver Connections Connector DIN41612 Ver H 14l Ext Supply 20 2 1 Step Generator To control the Driver via an external control signal for example from PLC equipment the Driver s in ternal Step Generator can be used The Generator then generates step pulses to drive the motor de pending on the signals applied to the two Control Inputs IN1 and N2 A micro controller ensures control of the Step Generator in accordance with the preset operating parameters Start Rate Accel eration Deceleration time and Top Rate Two inde pendent Top Rate values can be preset for operat ing the motor at two different speeds in the same operation The Top Rate is selected via the S Se Input In ad dition Top Rate 2 can be adjusted by applying an external voltage to the S Adj Input See Section 2 2 for description of S Se and S Adj Driver models with step generator only In order to use the Driver s internal Step Generator the Step Control DIP switch must be set to nternal see illustration below The 1 and 2 Inputs can be configured to start stop the step generator in the following modes 7 8 MEAM External
5. 20 Reverse p ct 4 T 0 5A PEA 2 5A Forward 0A SS Setting off 1234567 Stopped mi Diverse MDxxBx O Parameters Stopped 3A m Mode 4 PP Forward Stopped 1234567 Stopped Acceleration Deceleration Stopped Forward Stopped Undefined Top Rate 2 Drivers with step generator only Stopped Forward Stopped The above information is an overview Undefined See individual sections for further details Modes 7 and 8 are reserved for future use 33
6. 1 Internal BB 0 Step Control M1 2 woes 515 2 1 S t ep G ener at or Models with step generator only Mode 1 Operation When the Step Generator is configured for operation in Mode 1 the logic level at the N7 Input controls start stop operation of the motor The logic level at the N2 Input determines the direction of movement Mode 1 operation is illustrated below 1 Start Stop O Stop 1 Start 1 2 Forward Reverse 0 Reverse 1 Forward IN1 Start Stop IN2 Forward Reverse E E y CN Movement 0 1 7 VN Mode 2 Operation For operation in Mode 2 the logic level at the N7 Input determines forward movement of the motor The logic level at the N2 Input determines reverse movement of the motor If both Inputs are set to logic 1 the direction of movement will be determined by the Input which was set logic 1 first Mode 2 operation is illustrated below IN1 Forward 0 55 1 Forward IN2 Reverse O Passive 1 Reverse IN1 Forward IN2 Reverse M Movement 0 2 Mode 3 Operation As for Mode 2 operation but 1 and IN2 are inverted logically Mode 4 Operation For Mode 4 Operation if the N7 Input is set to logic 1 fo
7. 1 8 Inputs and Outputs Overview of Digital Inputs and Outputs Status gt Max 50mA Y CLK OUT Y DIR OUT gt ERROR IN1 CLK External supply 5 30VDC Sensor O lt IN2 DIR Sto 1 y CCW Limit CW Limit 14 C C Sel SMD10 12 To provide maximum flexibility for a variety of appli cations the Drivers are equipped with 7 inputs and 4 outputs All Inputs and Outputs are optically iso lated from other Driver circuitry to ensure that elec trical interference from motors and other equipment does not influence the input signals In addition the Drivers are equipped with 2 ana logue inputs All digital User Inputs and Outputs operate with voltages in the range 5 to 30V DC It should be noted that each of the 7 User Inputs is deactivated logic 0 if no connection is made 13 etc Some types of inductive sensors utilise an open collector output For sensors with NPN output a re sistor should be connected between the Input and the positive supply For PNP sensors a resistor should be connected between the ground It is recommended that a resistor of 500 Ohm to 5kOhm is used depending on the supply voltage Input and 1 9 5 30VDC External Step Pulse Generation VO 16C Step Pulse Out JUL Fon 18C omm 20 Direction Out gt
8. IN1 Step Pulse Input IN2 Direction Input The Step Pulse and Direction Inputs of the Driver have 2 different functions depending on the Driver Type and DIP switch configuration For Driver mod els without a built in Step Generator Types SMDxxx1 or SMD10xxx3 the Inputs can only be used as Step Pulse and Direction Inputs For Driver models with a built in Step Generator Types SMDxxx2 or SMDxxx4 the Inputs can also be used for controlling the Step Generator See Chapter 2 The Step Pulse and Direction Inputs enable the Driver to be controlled using an external signal to control each motor step This requires however that the external control system assumes complete control of motor speed and positioning In contrast Drivers with a built in Step Generator use the generator for acceleration etc i e pri marily for start and stop sequences and not precise motor positioning See Chapter 2 In order to use the Step Pulse and Direction Inputs with Drivers equipped with a built in Step Genera 14 Step Pulse and Direction Inputs Selection of Step Pulse and Direction on Drivers with built in Step Generator Types SMDxxx2 and SMDxxx4 um 4 7 E Step Control 12345 B 2 678 External Internal Step performed here tor the Step Contro DIP switch see illustration must be set to External
9. Running Adjustment of Motor Current Indication of Overload Power indicator Indication of Error Indication of Motor Operation Setup Start Speed 7 C ADSlope Adjustment of System Parameters Top Speed 1 Top Speed 2 Adjustment of Motor Start Rate Top Rate and Acceleration models with built in Step Generator 1 Connector DIN41612 Ver D Supply 230 V AC Status Output Analogue Inputfor Control of Motor Current Analogue Inputfor Control of Speed models with built in Step Generator only Motor Output Stop Input d CW CCWLimitlnputs N Control Inputs Chassis ground 1 4 Power Supply Power Supply Types SMDxxx1 and SMDxxx2 Voltage Range SMD10xx 12 45VDC SMD15xx 15 85VDC SMD30xx 15 155VDC Supply Drivers without Integral Power Supply To ensure that powering the Drivers is as simple as possible models which do not include an integral mains power supply are powered from a single supply voltage The internal circuitry ensures
10. Step Pulse and Direction Inputs A voltage pulse must be applied to the Step Pulse Input for each motor step A step is made when the voltage at the Input is switched from logic 1 to logic 0 triggering on the trailing edge The Direc tion Input determines the direction of motor move ment The status of the Direction Input must be well defined when the Step Pulse is applied see above illustration If the Direction Input is logic 0 the motor will advance if the Input is logic 1 the mo tor reverses The Step Pulse and Direction Inputs are optically isolated from the Driver supply and voltages of 5 30 V can be applied to both Inputs see Specifications Note that both Inputs must be controlled from a source PNP output or push pull output 1 10 Lower Limit CW CCW Limit Inputs Upper Limit SMD10 19 End of Travel Inputs In step motor systems it is often necessary to es tablish certain mechanical limits which must not be exceeded by motor movement To enable end of travel limits to be established the Drivers are equipped with 2 inputs CW Clockwise Limit and CCW Counter Clockwise Limit Depending on the actual direction of motor rotation one of these two Inputs will stop motor operation when the Input is activated Note that activation of either of the CW CCW In puts results in an instantaneous stop of the motor regardless of any preset deceleration ramp
11. the correct voltages for the motor output driver control circuits etc In the event that the supply is connected with incor rect polarity or an overload occurs the Drivers are fuse protected In such cases the Driver should be disconnected from the supply and the fuse re placed It is recommended that the external supply used to power the Driver is equipped with a ca pacitance of 2000 5000pF connected across the positive P and negative P terminals It is also recommended that 0 75mm cables min are used to connect the Driver to the supply If the Driver supply voltage falls below 10V the Driver will be reset Precautions should therefore be taken to PowerSupply Types SMDxxx3 and SMDxxx4 230 V AC In Primary Fuse Secondary Fuse Fuse Se Primary ensure that the supply voltage is maintained in the range 12 15V even if a mains voltage drop occurs Supply Drivers with Integral Power Supply Types SMDxxx3 and SMDxxx4 are equipped with an integral power supply for direct connection to a 230V AC mains supply The Driver s internal supply voltage is available via an external terminal and can thus be used for sup plying other Drivers included in the motion control system If a mains overload occurs the Driver s overload protection circuitry will be activated and either the primary or secondary fuse will be blown If an overload occurs the Driver shoul
12. to External the C Adj Input is used for adjusting the motor Operating Current Connector DIN41612 Ver D Adjustment Range 0 3Amp SMDxxAx 0 6Amp SMDxxBx 2Amp SMDxxCx A GND 285 0 5VDC C Adj Adi 30C 2 adm 1 5V Out SMD10 16 If the DIP is set to Internal the Operating Current is determined by the setting of the trimmer potenti ometer on the Driver front panel To control the Input using a signal in the range 0 20mA a 250 Ohm resistor should be connected between A GND Analogue Ground and the C Adj Input A 5V Out Output is also provided which supplies a voltage of 5V DC This output is used if it is re quired to connect a potentiometer to the C Adj In put It is recommended that the 5V Out output is used if only one power supply is available and is being used for other purposes and therefore a po tential source of noise 1 6 Serial Connection of Phases Various types of Step Motor are available 1 2 phase Bipolar 4 cables 2 4 phase Bipolar Unipolar 8 cables 3 4 phase Unipolar 6 cables Not suitable Note Type 3 motors above Unipolar are not suited for operation with JVL Drivers since the Driv ers use the Bipolar principle Bipolar systems typi cally provide 40 greater torque than unipolar systems 2 phase and 4 phase step motors can be con nected to the Dri
13. Front and Rear Panels 1 VAV Industri Elektronik Standby 42 Current lt _ c3 Running _ Overload _ Power C 3 Limit Inputs Running r Setup LA 1 00000 c3 Top Speed 1 r Top Speed 2 T SS 000000001 i 29 2 Ti sh Lh ae LP Lbs BR Hh 241 211 Front Panel Adjustment of Motor Current Indication of Overload Power indicator Indication of Error and Motor Operation Adjustment of System Parameters Adjustment of Motor Start Rate Top Rate and Acceleration models with built in Step Generator only Rear Panel Connector DIN41612 Ver D Supply 230 V AC Status Output Analogue Input for Control of Motor Current Analogue Inputfor Control of Speed models with built in Step Generator Motor Output Stop Input CW CCW Limit Inputs Control Inputs Chassis ground 1 3 Front and Rear Panels a PEAT Front Panel VAV Industri Elektronik gt Standby 2 Current j Running OG Power O Limit Inputs
14. Input A 5V DC voltage output 5V Out is available for external purposes The 5V Out output is used if it is required to con nect a potentiometer to the S Adj Input It is rec ommended that the 5V Out output is used if only 1 power supply is available and is being used for other purposes and therefore a potential source of noise The maximum rated current of the 5V Out Output is 50mA 3 1 Physical Dimensions zon 46 5 100 0 8 1 E RES 10 0 gt 149 0 160 0 UU SMD10 03 Scale 1 1 Dimensions in mm Tolerances 0 3mm If the Driver is mounted in a closed cabinet a fan or other form of ventilation should be installed The Driver is however protected against overheating Built in thermal protection disconnects the Driver stages at a tempera ture of approximately 80 C 26 3 1 Physical Dimensions 103 0 L PES 00000 1000000 00000 0000 000000 000000 111 4 227200000000 O p 171mm
15. SMD10 SMD11 SMD15 SMD30 Step Motor Drivers User Manual J VL Industri Elektronik 1992 LB0009 02GB Revision 11th Feb 98 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 2 1 2 2 3 1 3 2 3 3 3 4 3 5 Contents Introduction Overview of Driver Models Front and Rear Panels Power Supply Adjustment of Motor Phase Current Connection of Step Motor Motor Step Resolution Inputs and Outputs Step Pulse and Direction Inputs CW CCW Limit Inputs Stop Input Status and Error Outputs Step Pulse and Direction Outputs Overview of Driver Connections Step Generator Adjustment of Motor Parameters Physical Dimensions Electrical Specifications Electrical timming Motor Connections Overview of Switch Settings WD 21 24 26 29 31 32 33 1 1 Introduction Types SMD10 SMD11 SMD15 and SMD30 are a series of step motor drivers which meet almost every requirement for precise control of step motors The Drivers can be used for controlling a wide range of step motors supplying phase currents of up to 12 Amp phase and voltages in the range 12 to 150V The following Driver models are available Basic drivers equipped with inputs for step pulse and direction signals Drivers with an integral step generator which en ables trimmer potentiometers to be used for adjust ing the motor start rate acceleration deceleration rate and additionally enab
16. and more precise steps This often eliminates the need for mechanical gearing Another significant advantage of 1 4 or 1 8 Step operation is that the motor resonance which may be encountered with Full Step operation can nor mally be avoided The resonance frequency of a step motor depends on the applied load and results in complete loss of torque For large motors the resonance frequency will normally be outwith the normal operating range the frequencies in which the motor is accelerated or decelerated Configuration of the Driver for Full or Half Step op eration is set using the Step Mode DIP switch as shown in the above illustration Step resolution only driver type SMD15xx Dip Switch 1 Jumper Resolution Rear posltlon 200 step rev Rear ON Front position 800 step rev OFF Front position 1600 step rev 12 Overload Protection The Drivers are short circuit protected If the peak current exceeds the Driver s maximum current by 20 for a period greater than 2ms the output voltage to the motor is disconnected An instanta neous short circuit of any two output terminals will not damage the Driver the Overload LED see above illustration will simply indicate that an over load has occurred The supply voltage to the Driver must then be disconnected for a period of 5 sec onds to reset the Driver Note The Driver is not protected against short circuits to ground P
17. d be disconnected from the mains supply and the fuse replaced The Driver s primary and secondary fuse holders are located below the mains supply connector see above illustration 1 5 Supply 5 30VDC The Standby and Operating current supplied to each of the step motor s phases can be adjusted using 2 potentiometers on the front panel of the Driver Typically the motor phase current should be ad justed to provide a significantly higher operating current since the motor requires greater power to overcome its inertia during acceleration and con stant speed The operating current can either be adjusted using the potentiometer or controlled via an externally applied voltage see following page Switching between Standby Current and Operating Current is achieved in the following way Standby Z Operating Current Current Selection 1 Adjustment of Motor Phase Current SMDxxAx 1 5A External 10 py 2 0 0 5A d s 2 5A SMDxxBx 3A 2 IK 4 1A 0 9829S8v cl SMDxxCx 6A 4 2 0A 18 41 Either by allowing the Driver to control the cur rent supply This is done by setting the Current Selection DIP switch to Internal see above il The Driver s
18. e Driver cannot supply the required phase current at high speeds high rotational frequencies since the out put voltage is limited 11 Connection of Step Motor Screen For connection of motors to Type SMD30 see connector for Type SMD30 Cabling For Driver models which supply a phase current in the range 0 to 6A it is recommended that 0 75mm cable minimum is used to connect the motor to the Driver For Driver models which supply a phase current of 0 to 12A it is recommended that 1 5mm cable minimum is used Cable lengths used to connect the motor to the Driver should not exceed 10 metres because of im pedance loss Important To minimise noise interference from the motor ca bles screened cable should be used to connect the Driver to the motor screened cables are not used electronic interference of other equipment in the system can occur 1 7 M otor Step Resolution Use jumper to select 1 1 1 2 step 1 4 1 8 step Overload This feature is only available at driver type SMD15xx O 12345678 Half step OFF Full step ON Step mode The Driver can be configured for either Full or Half Step motor operation The driver tyoe SMD15 can additionally be set to the resolutions 1 4 step or 1 8 step Often it can be an advantage to operate with higher step resolutions than half step since each motor revolution is divided into smaller
19. e used if two or more step mo tors are required to operate at precisely the same speed for example for synchronous operation of two conveyors In this case a Driver with an integral Step Generator can be used as a Master Driver and a second Driver without a built in Generator used as the Slave The Step Output outputs a voltage pulse each time the Driver moves the motor 1 step CLK IN1 18 Step Pulse and Direction Outputs Slave Without Step Generator 18C Toother Drivers 20C The Direction Output indicates the direction of mo tor movement Logic 0 at the Output corresponds to clockwise motor movement logic 1 corre sponds to counter clockwise movement The maximum rated current of the Step Pulse and Direction Outputs is 50mA Note The Step Pulse and Direction Outputs are not short circuit protected 1 14 SMD10 11 15 and 30 Overview of Driver Connections Connector DIN41612 Ver D 2C 5 i 2A Chassis Deed 2 lt cm DC Supply Input Models without integral 6C E 6A mains supply only 8 8 10C 10 Step Motor Loa Fr 2 or 4 phase Except SMD30 12 12 see following page OC Step Motor O O o 23 gt
20. ecifications Min Typ Max Units Power Supply SMD10A1 SMD10A2 SMD10B1 SMD10B2 Supply Voltage Driver Voltage 12 45 VDC Power Consumption unloaded without motor 2 W Power Supply SMD10x3 SMD10x4 Supply Voltage 207 241 V AC Driver Voltage 40 Power Consumption unloaded without motor 4 2 W Power Supply SMD11x3 SMD1 1x4 Supply Voltage 207 241 V AC Driver Voltage 40 Power Consumption unloaded without motor 6 2 W Power Supply SMD15B1 SMD15B2 Supply Voltage Driver Voltage 15 85 V DC Power Consumption unloaded without motor 2 5 W Power Supply SMD15B3 SMD15B4 Supply Voltage 207 241 VAC Driver Voltage 75 Power Consumption unloaded without motor 4 5 W Power Supply SMD30C1 SMD30C2 Supply Voltage Driver Voltage 15 150 V DC Power Consumption unloaded without motor 5 W Power Supply SMD30C3 SMD30C4 Supply Voltage 207 241 V AC Driver Voltage 145 Power Consumption unloaded without motor 7 29 3 2 Electrical Specifications Min Typ Max Units Digital Inputs 20C 22C 24C 26C 26A 28A Input Impedance 3 0 3 5 kOhm Allowable Voltage 1 0 30 0 V DC Input Current 5V DC 1 2 mA DG 12V DC 3 3 mA DC 24V DC 6 6 mA DC Logic 0 2 3 V DC Logic 1 4 2 VDC Step Pulse IN1 Input 18C Input Impedance 1 7 2 9 kOhm Allowable Voltage 1 0 30 0 V DC Input Current 5V DG 2 7 mA DG 12V DC 4 6 mA DG 24V DC 9 0 mA DG Logic 0 1 9 V DC Logic 1 4 2 VDC Pulse Duration logic 0 5 us Pulse Du
21. ent should be divided by 1 41 For example if the rated current is 4 2A the maximum setting of the Driver current trimmer potentiometers must not exceed 3A when the phases are connected in serial Parallel Connection With parallel connection of motor phases a motor will provide better performance at frequencies above 1kHz compared to serially connected phases but requires approximately twice the cur rent This can influence the choice of Driver since it is necessary to select a Driver which can supply twice the current used for a serial phase configura tion See above illustration When the phases of a 4 phase motor are connected in parallel the speci fied rated current of the motor must be multiplied by a factor of 1 41 For example if the rated current is 4 2A the maximum setting of the Driver current trimmer potentiometer must not exceed 5 9A when the phases are connected in parallel 1 6 Connector DIN41612 Ver D It should be noted that the lower the self inductance of a step motor the better since this influences the torque at high speeds The torque is proportional to the current supplied to the motor as follows Applied Voltage Current Torque Phase Induction x Frequency The applied voltage is regulated by the Driver so that the phase current is adjusted to the selected value In practice this implies that if a motor with a large self inductance e g 100 is used th
22. lay times is specified under following conditions Standby current 1A Running current 6A Motor running in half step Internal current selection and adjustment Internal stepgenerator Stepgenerator in mode 0 Startspeed 500 steps sec Acceleration deceleration 500 step sec Topspeed 1 1000 steps sec Topspeed 2 2000 steps sec Temperature 20 C 31 3 4 Connection of MAE motor Type HY200 xxxx xxx x8 Black Black White Orange White Red White Yellow White Yellow Connection of Phytron motor Type ZSx xxx x x Red Brown Black Yellow Blue Violet White Green Connection of Wexta motor Type PH2xx xxx Black Black White Orange White Orange Red Red White Yellow White Yellow M otor Connections 32 Connection of MAE motor Type HY200 xxxx xxx x4 Black Orange Red Yellow Connection of Zebotronics motor Type SMxx x xx x A Braun lt Black White 5 Blue 7 Yellow 6 Grey 8 Green Type SM87 107 168 SM56 Connection of Teco motor Type 4Hxxxx Black Green Red White 3 5 Overview of Switch Settings Overview of DIP switch Functions Full Step 200 steps per m
23. le two different top rates to be used in the same motor operation A Driver model built into an EMR suppression cabi net with an integral 230 V power supply The Drivers are based on the Bipolar chopper prin ciple which provides approximately 40 greater motor torque over a large range of speeds than commonly used Unipolar chopper drivers The Drivers are equipped with a total of 7 inputs and 4 outputs all of which are optically isolated from other Driver circuitry Two of the inputs are used for end of travel inputs which stop motor operation instantaneously when activated Two analogue inputs enable the motor current and Top Rate to be controlled using an ex ternally applied voltage DIP Switches on the front panel of the Drivers are used to set different configu rations enabling inputs to be defined for various purposes depending on the actual application For example the function of inputs can be defined so that if one input is activated the motor advances if another input is activated the motor reverses Alter natively one input may be used to start the motor another to stop the motor A third input can be used to select one of the two de fined motor Top Rates Features Only a single supply voltage required External operating frequency 0 20kHz Internal operating frequency 0 10kHz Bipolar chopper driver 0 12A phase A version 3 Amp B version 6 Amp version 12 Amp Facility for controlling mo
24. n during motor opera tion Note that the Top Rate 2 DIP switch must be set to Internal to adjust Top Rate 2 using the trimmer po tentiometer 2 2 DIP switch External Internal 2 0 5V_ Connector DIN41612 Ver D LI 5 Adjustment Range 0 5 VDC 20 10kHz m A dju s t m e nt of P a r a m et e r s Model with step generator only 30A To control the top speed of a motor using an exter nally applied voltage the S Adj 0 5V and S Adj 0 10V Inputs can be used see illustration An analogue voltage in the range 0 5V DC or 0 10V DC corresponding to a top speed of 0 to 10000 steps sec can be applied to one of these Inputs Note that only 1 of the S Adj Inputs can be used depending on the available control voltage signal Note that only the value of Top Rate 2 can be con trolled using the S Adj Inputs To enable analogue control of Top Rate 2 the Top Rate 2 DIP switch switch 5 must be set to External When the motor speed is changed using an exter nal control signal the Driver ensures that the preset acceleration deceleration value is not exceeded 25 0 5VDC 0 10VDC 32A To control the Inputs using a signal of 0 20mA a 250 Ohm resistor should be connected between A GND Analogue Ground and the S Adj 0 5V
25. of motor Standby Current Direction Output Adjustment of motor Operating Current Short circuit protection of motor output End of travel CW CCW Limit Inputs Voltage Output 5V DC 50mA External adjustment of motor current Full and Half Step modes of operation External switching between Standby Cur rent All digital inputs and outputs optically isolated and Operating Current Automatic switching between Operating and LED indication of motor operation Standby Current Stop Input Overvoltage protected Status Output for motor operation Error Output Step Pulse Output 1 3 Front and Rear Panels scs 1 smD1015 2 ony Front Panel Adjustment of Motor Operating and Standby Current Indication of Overload Power Indicator Error Indicator Motor Operating Indicator Adjustment of System Parameters Adjustment of Motor Start Rate Top Rate and Acceleration models with built in Step Generator only Rear Panel Connector DIN41612 Ver D Supply 12 45V 15 80V Status Output Analogue Input for Control of Motor Current Analogue Input for Control of Speed Motor Output Stop Input CW CCW Limit Inputs Control Inputs Chassis ground 1 3
26. otor revolution I St Half St see Sect 1 6 Half Step 400 steps per motor revolution ud 1 2 Internal Switch between current internally Internal External see Sect 1 4 External Switch between current externally via C Sel current switch current switch Internal Operating current determined by 2 trimmers External Internal see Sect 1 4 External Operating current determined by S Adj Input current value current value Internal Step Pulse generation via internal Step Generator Internal External see Sect 2 1 External Step Pulses supplied externally via CLK Input step pulse step pulse Internal Top Rate 2 determined by internal trimmer Internal External see Sect 2 2 External Top Rate 2 controlled by external voltage Top Rate 2 Top Rate 2 See table below and Section 2 1 M1 7 See table below and Section 2 1 M2 See table below and Section 2 1 DIP switches 4 to 8 only on Drivers with integral Step Generator Types SMDxxx2 and SMDxxx4 Stopped Reverse Standby Stopped Current Forward __ Operating Stopped 7 Current Forward s Reverse MDxxAx 1 Undefined 1 5 Mode 3 Undefined
27. ration logic 1 5 uS Step Frequency 0 20 kHz Outputs 18A 20A 22A 24A Supply Voltage 4 5 30 V DC Rated Current 50 mA DC Analogue Inputs 30C 30A Input Voltage 0 5 5 5 V DC Input Impedance 4 7 kOhm Analogue Input 32A Input Voltage 0 5 10 5 V DC Input Impedance 9 4 kOhm Miscellaneous Ambient Temperature SMDxxx1 SMDxxx2 0 50 C Ambient Temperature SMDxxx3 SMDxxx4 0 40 C Chopper Frequency 20 25 kHz Phase Current SMD10Ax 0 1 3 Amp phase Phase Current SMD10Bx 0 1 6 Amp phase Phase Current SMD11Bx 0 1 6 Amp phase Phase Current SMD15Bx 0 6 Amp phase Phase Current SMD30Cx 0 12 Amp phase 30 3 3 Electrical timing For some purposes it can be important to know the delay times from the inputs of the driver to the outputs The table below shows all the delay times between digital inputs and outputs Clock Out Direction Out Status Error Motor CKO DIO STA ERR A A B B Input 1 Min 23us 1 155us Typ 12 350 No influence Typ 210 Tu Clockwise limit Counter clock wise limit 12us No influence Typ 100ms Max 80us 60us CCW Stop 2 ST 12us No influence Typ 100ms Max 80us Max 60 5 Current select CS No influence No influence No influence Max 60us Speed select SS 12us No influence No influence No influence Max 60 5 Delay to output is measured with a speed change from 1000 to 2000 step sek The de
28. rward motor operation is started When the N2 Input is set to logic 1 motor operation is stopped If both Inputs are activated the motor will stop and or remain sta tionary Mode 4 operation is illustrated below 1 Start 0 Passive 1 start IN2 Stop 0 Passive 1 stop IN1 Start i IN2 Stop pi 1 1 Toc u x Movement 0 22 2 1 S t ep G ener at or Models with step generator only Mode 5 Operation Operation in Mode 5 is similar to Mode 4 Operation but is flank triggered When the IN1 Input is changed from logic 0 to logic 1 forward motor movement is started When the N2 Input is changed from logic 0 to logic 1 the motor is stopped If both inputs are changed to logic 1 the motor will remain stationary if the N2 Input was the last to be changed from logic 0 to logic 1 Mode 5 Operation is illustrated below 1 Start 0 Passive 0 to 1 start IN2 Stop 0 Passive 0 to 1 stop mi IN2 Stop x 1 f 1 Movement 0 N v _ Mode 6 Operation Operation in Mode 6 is similar to Mode 4 Operation but is flank triggered When the N1 Input is changed from logic 0 to logic 1 forward motor movement is started When the N2 Input is changed from logic 1 to logic the motor is stopped Mode 6 Operation is illustrated below IN1 S
29. tart 0 Passive 0 to 1 start IN2 Stop 0 Passive 1 to 0 stop Start d T Movement 0 V 23 2 2 Adjustment of Parameters Models with step generator only Top Rate 2 E Top Rate 1 Start Rate Acceleration Deceleration Steps sec Gen i Select Supply 5 30VDC Adjustment of Motor Parameters 3 basic motor parameters can be adjusted Start Rate Top Rate 1 and acceleration deceleration In addition it is possible to set an alternative Top Rate Top Rate 2 The motor Start Rate can be adjusted in the range 0 2000 steps sec The Acceleration can be adjusted in the range 8 600 1 200 000 steps sec The 2 motor Top Rates can be adjusted from 0 to 10000 steps sec 24 External Internal Top Rate2 BN 879Svt cl s Start Rate Acceleration Deceleration Top Rate 1 Top Rate2 The above illustration shows the location of the trimmer potentiometers for adjusting motor pa rameters Under normal conditions the Driver op erates the motor using the preset value of Top Rate 2 but the motor speed can be changed to Top Rate 1 by applying logic 1 to the S Se Input The motor speed can be switched between Top Rate 1 and Top Rate 2 at any time eve
30. tor Top Rate via exter nal voltage 0 5 0 10V Facility for controlling motor phase current via external voltage 0 5 V Stop Input which stops motor operation immedi ately the input is activated Status Output which indicates whether the motor is stopped or running CW Clockwise and CCW Counter Clockwise end of travel inputs All inputs and outputs optically isolated All inputs and outputs handle 5 30VDC Facility for 2 motor speeds during same opera tion Torque of up to 12 Nm at 300 rev min Overload protection Motor output short circuit protected Eurocard dimensions 160x100x47 mm With integral power supply 160x112x103 mn SMD1 1 30 171x111x138 mm Mounting either in 19 rack or via T groove Connection via DIN socket or terminals optional Option Mains supply 115 V AC 1 2 Overview of Driver M odels SMD10A SMD10B SMD10A SMD10B SMD10A SMD10B SMD10A SMD10B4 SMD11B3 SMD11B4 SMD15B1 SMD15B2 SMD15B3 m SMD15B4 SMD3001 x 8 2 x x XIXIX jx 2 x x x xixIx x See Section 3 1 for Physical Dimensions x x x x x x x x x x x x x x x x x am E Ed SEE E x x gt lt x xx x x x x xx x x _ xx xxx xxx MESES IU RUN x x x All models include the following features Adjustment
31. vers as follows 2 Phase Motors 4 cables This type of step motor can be directly connected to the Driver s output The Driver current adjustment must not exceed the specified rated current for the motor 4 Phase Motors 8 cables This type of step motor can be connected to the Drivers in the two following ways 1 Serial connection of phases 2 Parallel connection of phases Selection of serial or parallel connection is typically determined by the speed requirements of the actual system If slow speeds are required typically less than 1kHz the motor phases can be connected in se rial For operation at higher speeds greater than 1 kHz the motor phases can be connected in paral lel Connection of Step Motor Torque 10 Motor 2 phase Nominal rated motor current as Parallel E E k s N Speed Current for Serial and Parallel Maximum Example Current Motor 4 2A Adjustment 4 2 x 1 41 6A Parallel Motor 4 phase kaa 3A Serial 4 2 specified by manufacturers Serial Connection Using serial connection of the phases a motor pro vides the same performance up to 1kHz as par allel connection but using only approximately half the current This can influence the selection of Driver type enabling a Driver rated for a lower mo tor current to be used See above illustration If the phases of a 4 phase motor are connected in serial the motor s rated curr
32. witches between Standby Current and Oper lustration then automatically ating Current when the motor is started or stopped Or by controlling the motor current via an exter nal control signal This is done by setting the Current Selection DIP switch to External Switching between motor Standby Current and Operating current is then determined by the signal applied to the C Se Current Select In put If this Input is set to logic O the preset Standby Current is selected If the Input is logic 1 the preset Operating Current is selected 1 5 Adjustment of Motor Phase Current Operating Current 1 e a 345678 u 2 Current Adjust Internal External To control the value of the motor phase current us ing an external control signal the Driver s C Adj Current Adjust Input can be used The C Adj Input is used to apply an analogue con trol voltage in the range 0 5V DC corresponding to a motor phase current of 0 to 3A for Driver Types SMDxxAx 0 to 6A for Types SMDxxBx and 0 to 12A for Types SMDxxCx Note that the C Adj Input can only be used as an alternative to the trimmer potentiometer for adjust ing the motor Operating Current Internal or exter nal control of the Operating Current is selected us ing the Current Adjustment DIP switch see above illustration If the DIP switch is set
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LB0009 02GB