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USER MANUAL BSD-016
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1. S2 Connect Volt Meter between TP1 and GND Turn ON the power Observe as the Vper will rise slowly from OV towards Vrermax Value set in S1 mode When Veer reaches calculated value slide the SW2 1 switch back to OFF position _ If you missed the right moment then let the voltage go up Once it reaches Vrermaxy it will reset to OV and start rising up again If you switched it OFF at wrong value then you have to turn OFF the power and repeat the entire process Exit mode S2 Move SW2 1 to OFF position Turn OFF the power Actual storing of the Ver value to the EEPROM occurs while the SW2 1 moves from the ON to the OFF position However storing can be performed only once per each cycle That means in case of mistake the whole procedure must be repeated starting from turning OFF the power and then reentering the S2 mode again The driver will not function correctly until the next power OFF to ON transition 23 NORMAL MODE The BSD 016 will function properly only in Normal Mode N1 or N2 To access N1 the SW2 1 and SW2 2 must be in OFF position and after power up the driver will enter Normal Mode N1 based on stored parameters To access N2 the SW2 1 should be OFF and SW2 2 ON The position of the SW2 3 and SW2 4 is irrelevant SW2 OFF OFF AWNe N1 2 3 1 N1 NORMAL OPERATION WITHOUT ICR The BSD 016 energizes the motor only when ENABLE signal is low Motor will start
2. h m 2 23 57mm Figure 9 Mechanical dimensions 20 BSD 016 QUICK SETUP GUIDE First decide in which mode the driver should work o N1 Normal Operation no ICR driver without Idle Current Reduction o N2 Normal Operation with ICR driver with Idle Current Reduction Second perform setup necessary for selected mode N1 SETUP FOR DRIVER NO ICR POWER OFF
3. 16 will set and store Max Motor Current Idle Motor Current 2 2 1 S1 MAX MOTOR CURRENT SETUP MODE The max phase current must be set first The phase current can be obtained directly from the label of the motor data sheet or manufacturer The BSD 016 is a CONSTANT CURRENT driver The phase current is all you need to know to setup the driver To adjust and keep the phase current at correct level the BSD 016 uses reference voltage Vper always present on TP1 Test Point located right below dip switch SW2 The relation between Vrer and max phase current Imax can be described as follows Vrermax V k x Imax A Where Vrerma in Volts Imax in Amperes k coefficient based on value of the sensing resistors R6 R7 k 2 64 for 0 330hm resistors marked as R33 for standard version 95mA to 1500mA k 21 6 for 2 70hm resistors marked as 2R7 for special version 12mA to 185mA Example Motor is labeled 0 91A BSD 016 driver with 0 330hm sensing resistors Vrer max 2 64 x 0 91A 2 4V This Vpermax Value must be used during motor current setup procedure The S1 mode can be entered only during boot up power up process while the SW2 1 dip switch is in ON and SW2 2 is in OFF position see Table 4 10 BSD 016 User Manual Interinar Electronics Enter mode S1 Turn OFF the power Turn ON switch SW2 1 Turn OFF switch SW2 2 Switches SW2 3 and SW2 4 are irrelevant in this mode sw2 mon 1 ort 2 3
4. 2 ELECTRICAL CHARACTERISTICS Bipolar Parallel connection Motor should be run at 1 4 of the rated current This connection is not Table 10 Electrical characteristics for BSD 016 driver controller recommended as higher current generates more heat in the driver and motor CHARACTERISTIC SYMBOL Condition Min Typ Max UNITS Motor Outputs O Motor Supply Voltage VB Operating 8 30 V ce Sh I Motor Current I Standard 95 1500 mA la e our Special 12 185 mA 1 Control Logic Enable Step Direction STA Logic Input Voltage Vu 1 3 5 Vv e STEP MOTOR K 5 A Vit 0 E 1 5 V L ae Control Analog Input ANA TR V Analog DC Voltage Vana 0l 5 V bd alan Protection bd Si Crossover Dead Time tor 100 475 800 ns ull Thermal Shutdown Temperature Tj 165 E eC poon Thermal Shutdown Hysteresis Tjhys 7 15 C O Sw2 O Automatic Idle Current Reduction ICR T ICR ON delay time after last Step pulse ticron E 2 s 7 P A ICR OFF delay time after first Step pulse ticrost E 700 us Fi Bipolar llel f 8 tor igure 8 Bipolar parallel connection of S wire motor Idle current reduction in of Imax lice 0 100 Table 8 Parameters for 8 wire motor MODE POWER CURRENT VOLTAGE TORQUE Bipolar Series 100 70 140 140 Bipolar Parallel 100 140 70 140 Unipolar 100 100 100 100 17 18 BSD 016 User Manual Interinar Electronics 43 EXTERN
5. 4 S1 Connect Volt Meter between TP1 and GND Turn ON the power Observe as the Veer will rise slowly from OV towards 4 0V When Veer reaches calculated value slide the SW2 1 switch back to OFF position If you missed the right moment then let the voltage go up Once it reaches 4 0V it will reset to OV and start rising up again If you switched it OFF at wrong value then you have to turn OFF the power and repeat the entire process Exit from mode S1 Move SW2 1 to OFF position Turn OFF the power Actual storing of the Vper value to the EEPROM occurs while the SW2 1 moves from the ON to the OFF position However storing can be performed only once per each cycle That means in case of mistake the whole procedure must be repeated starting from turning OFF the power and then reentering the S1 mode again The driver will not function correctly until the next power OFF to ON transition 2 2 2 S2 IDLE MOTOR CURRENT SETUP MODE This setup must be performed only if user intends to use BSD 016 with ICR Automatic Idle Current Reduction Calculation for Vreracr is the same as for Vrermax The S2 mode can be entered only during boot up power up process while the SW2 1 and SW2 2 dip switches are ON see table 4 Enter mode S2 Turn OFF the power Turn ON switches SW2 1 and SW2 2 Switches SW2 3 and SW2 4 are irrelevant for this mode 11 BSD 016 User Manual Interinar Electronics sw2 mon 1 mon 2
6. AL STEP PULSE TIMING PARAMETERS ON STP INPUT Table 11 Step pulse timing parameters CHARACTERISTIC SYMBOL TYP UNITS STEP Minimum HIGH pulse width ta 1 us STEP Minimum LOW pulse width ts 1 us Setup time te 200 ns Hold time to 200 ns Maximum frequency fstP 500 kHz 44 SAFETY SUMMARY Always remove power and discharge the circuit before touching it This module contains parts susceptible to damage by ESD Electrostatic Discharge The BSD 016 must be handled in accordance to procedures specified for ESD devices Do not make any modification to the board or components DO NOT PLUG UNPLUG ANY WIRES AND CONNECTORS TO FROM THE MODULE WHILE POWER IS ON 45 TROUBLESHOOTING If driver does not function according to previously set mode turn it off and make sure that the SW2 1 is in OFF position Turn ON the power again and observe presence of 5V min 4 5V max 5 2V on C25 If min of 4 5V is not present then contact our Technical Support by sending email to support interinar com 46 TECHNICAL SUPPORT Interinar Electronics is happy to respond to any question or concern regarding the BSD 016 or any other product it manufactures or sells Contact Technical Support Staff by sending email to support interinar com 19 BSD 016 User Manual Interinar Electronics 5 DIMENSIONS AND MOUNTING 2 90 64mm 2 60 140 x4 a ie F Od aT
7. N ON OFF OFF SETUP Idle Vreracr Idle Motor Current Ni OFF OFF OFF OFF NORMAL OPERATION no ICR N2 OFF ON OFF OFF NORMAL OPERATION with ICR 1 3 5 1 SW2 1 Motor Current Setup Default OFF Allowed position during boot up ON OFF Allowed position in normal operation OFF Used in modes S1 S2 Function during boot up see Table 4 1 3 5 2 SW2 2 Idle Motor Current Setup or Normal Operation with ICR Default OFF Allowed position during boot up ON OFF Allowed position in normal operation ON OFF Used in modes S2 N2 Function during boot up see Table 4 1 3 5 3 SW2 3 Microstepping MS1 Default OFF Allowed position during boot up ON or OFF Allowed position in normal operation ON or OFF Used in modes N1 N2 Function during boot up has no effect Function during normal operation see Table 5 1 3 5 4 SW2 4 Microstepping MS2 Default OFF Allowed position during boot up ON or OFF Allowed position in normal operation ON or OFF Used in modes N1 N2 Function during boot up has no effect Function during normal operation see Table 5 7 BSD 016 User Manual Interinar Electronics Table 5 Microstepping Resolution Truth Table sw2 3 SW2 4 RESOLUTION STEP EXCITATION MODE MS1 MS2 BSD 016 8 BSD 016 16 BSD 016 8 BSD 016 16 ON ON FULL FULL 2 PHASE 2 PHASE OFF ON HALF HALF 1 2 PHASE 1 2 PHASE ON OFF QUARTER QUARTER W1 2 PHA
8. S This motor can be connected in three ways 1 Bipolar Series connection Gives more torque at lower speeds In series connection motor should be operated at only 70 of the rated current because using twice as large winding of each phase produces rated torque at lower current Running motor at full rated current will saturate and overheat the motor STEP MOTOR 5 e oonu 1 BSD 016 swz OUUU Figure 6 Bipolar series connection of 8 wire motor Unipolar connection only one pair of each phase is used This connection works better at higher speeds 16 BSD 016 User Manual Interinar Electronics BSD 016 User Manual Interinar Electronics O O He a 4 ELECTRICAL AND MECHANICAL SPECIFICATION A e n 41 ABSOLUTE MAXIMUM RATINGS e j STEP MOTOR m B l p h 7 Jf Table 9 Absolute maximum ratings for BSD 016 driver controller BSD 016 e x j 5 3 s CHARACTERISTIC SYMBOL RATING UNITS g nM Supply Voltage VB 30 V Motor Current Tout 1 5 A a Logic Input Voltage Vin 0 3 to 5 5 v n f A sw D000 Operating Ambient Temperature Ta 20 to 85 C O Figure 7 Unipolar connection of 8 wire motor 4
9. SE W1 2 PHASE OFF OFF EIGHTH SIXTEENTH 2W1 2 PHASE 4W1 2 PHASE 1 4 CONNECTING TO BSD 016 1 41 POWER SUPPLY The power supply selection should be based on step motor specification and maximum allowable voltage for the driver There is no need for stabilized power supply however it is recommended to use it When using a non stabilized power supply specifically rectifier capacitor type please derate the Max Allowed Voltage to 70 in order to prevent overvoltage and damage to the driver This type of power supply can produce about 1 4 times the rated voltage when the load is not present or very low This type of overvoltage condition may occur when the driver is disabled NEVER CONNECT OR DISCONNECT ANY WIRE FROM BSD 016 WHILE POWER IN ON 1 4 2 STEP MOTOR The step motor should be connected to the J3 terminal block Labels are placed next to the terminals in two groups clearly marking each phase There is no reference to the beginning or the end of each phase Make sure that all four motor wires are tightly connected and there is no possibility of accidental disconnection For 6 and 8 wire motors all unused wires must be insulated separately This is especially important when additional connectors are used between the driver and the motor DISCONNECTING MOTOR WHILE POWER IS ON WILL CAUSE PERMANENT DAMAGE TO THE DRIVER BSD 016 User Manual Interinar Electronics 1 4 3 EXTERNAL CONTROLLER BSD 016 requires externa
10. USER MANUAL BSD 016 SINGLE AXIS DRIVER FOR BIPOLAR AND UNIPOLAR STEP MOTORS INTERINAR ELECTRONICS LLC http www interinar com rev 1 0 2012 Copyright Information 2006 2012 Interinar Electronics LLC All rights reserved This document is furnished exclusively for the customers of Interinar Electronics Other uses are unauthorized without written permission of Interinar Electronics Information contained in this document may be updated from time to time due to product improvements and may not conform in every respect to former issues Disclaimer of Liability Interinar Electronics is not responsible for special incidental or consequential damages resulting from any breach of warranty or under any legal theory including lost profits downtime goodwill damage to or replacement of equipment or property or any costs of recovering reprogramming or reproducing any data stored in or used with Interinar products Interinar Electronics is also not responsible for any personal damage including that to life and health resulting from use of any of our products Customer takes full responsibility for any application where Interinar products are implemented Interinar Electronics Technical Support Email support interinar com Website http www interinar com BSD 016 User Manual Interinar Electronics USER MANUAL ccssstsnctsssssensssecscnsnssessonssecasendsocsusneeesesonnansessonaneesensdanaueseabanexendaaentsednane
11. ires of both phases at the same time as this will not reverse the direction BSD 016 User Manual Interinar Electronics Table 2 MOTOR CONNECTOR J3 Terminal PIN DESCRIPTION LABEL 1 OUT2B 2 OUT2A Pra 3 OUT1A 4 OUT1B Pat 1 3 4 SIGNAL INPUT CONNECTOR J4 Connector type Standard 5mm 4 pole terminal block acceptable wires size 26 to 12 AWG This connector is used for signals from external microcontroller or PC All three inputs feature 4 7kohm internal pull up resistors to 5V This way controlling the input is as simple as shorting it to the Ground Any sinking device may be used for that purpose Specifically this can be done with jumper switch open collector open drain direct TTL gate output In all other cases it is important to make sure there will be no voltage exceeding 5V or lower than 0 3V present on any input at any time Table 3 SIGNAL INPUT CONNECTOR J4 Terminal PIN DESCRIPTION LABEL E Enable ENA 2 Step STP 3 Direction DIR 4 Ground GND 1 3 4 1 ENA Enable Input active LOW Internally pulled up to 5V trough 4 7kohm resistor When LOW all motor outputs are ENABLED When HIGH all motor outputs are DISABLED but translator is still processing Step and Direction signals This condition may result in initial position error when using ENABLE to start and stop the motor The driver must be ENABLED in advance before Step and Di
12. l Step Direction and Enable signals connected to terminal block J4 The fourth pole is used for signal ground and should not be used as power ground All three inputs are pulled up internally to 5V through 4 7kohm resistors The TTL 5V level interface open collector opto coupler relay and switch can be used directly in connection with this port see Figure 2 The CMOS 3 3V operation is possible but not guaranteed If not used the Direction input may be left disconnected The Enable input if not used may be permanently shorted to GND if the driver works in N2 mode with IRC and the Idle current is set low Living Enable shorted for prolonged time with current set high may lead to motor and driver overheating TTLLOGIC J OPEN COLLECTOR _ OPTO COUPLER ys K D ENA STP DIR J4 RELAY poa SWITCH v o TOGND J4PIN 4 L a Figure 2 Typical Input Driving Methods BSD 016 User Manual Interinar Electronics ANANN 21 1 OVERVIEW Prior to normal operation the BSD 016 requires a simple setup Possible modes are listed below Setup Mode o S1 Max Motor Current Setup o S2 Idle Motor Current Setup for ICR Normal Mode o N1 Normal Operation without ICR o N2 Normal Operation with ICR Regardless of operation mode the BSD 016 always stops powering the motor when ENABLE signal is HIGH absent or not connected 2 2 SETUP MODE In Setup mode the BSD 0
13. ly voltage is above 12V and lower than max allowed for the driver 30V If the power supply delivers 12V or less the driver will work in Voltage Mode In such case the driver will no longer maintain the phase current which will be limited directly by the resistance of the motor s windings Both regulated and unregulated power supplies may be used A regulated power supply can be rated up to max allowed voltage for the BSD 016 which is 30Vdc However unregulated power supply cannot exceed 21Vdc because it is rated at full load current At lesser loads like when the driver is disabled the actual voltage of the power supply may be up to 1 4 times higher which will exceed the maximum voltage allowed for the driver 3 1 2 CURRENT The BSD 016 requires no more current than the twice of the phase current 2 x Ipn of the motor There is a common misconception based on wrong measurements that in real application only fraction of that current is being utilized However these measurements are performed using RMS values which lead to mistakes in selecting the power supply If the power supply is not capable of supplying enough current then the driver will not be able to deliver it to the motor As a result the motor will not produce the torque specified in data sheet The current needed for logic on the board is marginal and may be ignored in this calculation 3 2 STEPPER MOTOR The BSD 016 is based on DMOS technology and despite the fact
14. nals BSD 016 User Manual Interinar Electronics o BSD 016 Kiii peo s 9 5 meso DW HS a re z FI g 5 a z z Figure 1 BSD 016 1 3 2 POWER CONNECTOR J1 Connector type Standard 5mm 2 pole terminal block acceptable wires size 26 to 12 AWG Table 1 POWER CONNECTOR J1 Terminal PIN DESCRIPTION LABEL 1 Negative or Common Voltage Supply GND 2 Positive Voltage Supply VB_ Polarity reversal is NOT ALLOWED and will cause permanent damage to the driver Exceeding Max Allowed Voltage will result in permanent damage to the driver When using a non stabilized power supply specifically rectifier capacitor type please derate the Supply Voltage to 70 in order to prevent overvoltage and damage to the driver This type of power supply can produce about 1 4 times the rated voltage when the load is not present or very low This type of overvoltage condition may occur when the driver is disabled 1 3 3 MOTOR CONNECTOR J3 Connector type Standard 5mm 4 pole terminal block acceptable wires size 26 to 12 AWG Two pairs of terminals belonging to the same phase are located next to each other and labeled on the board as PH1 and PH2 Mixing wires of two phases together is prohibited and may result in permanent damage to the driver In case the initial rotation of the motor needs to be reversed and the DIR input cannot be used swap the wires of just one phase Do not swap the w
15. rection changes Regardless of operation mode the driver stops powering the motor when ENABLE signal is HIGH absent or not connected 1 3 4 2 STP Step Input active LOW Internally pulled up to 5V trough 4 7kohm resistor A Low to High transition rising edge advances the motor one increment The size of the increment is determined by MS1 and MS2 see Table 5 Minimum Step pulse High Time width is 1 0us Minimum Step pulse Low Time is 1 0us 1 3 4 3 DIR Direction Input active LOW Internally pulled up to 5V trough 4 7kohm resistor Sets the direction of rotation Any changes to this input do not take effect until the next Step rising edge If the motor connections follow correct phase order then when this input is Low the direction will be Clockwise and when High Counterclockwise Swapping wires of just one phase will also reverse direction BSD 016 User Manual Interinar Electronics 1 3 4 4 GND Ground Signal Ground return path for all three inputs Should not be used as power ground 1 3 5 SW2 DIP SWITCH The 4 position dip switch is used in process of setting motor parameters and configuring the driver Each individual switch is numbered from 1 to 4 The driver is shipped with all switches in OFF state as default Table 4 Power Up Mode Condition Truth Table SW2 x MODE I 5 3 4 MODE DESCRIPTION S1 ON OFF OFF OFF SETUP Vpermaxy Max Motor Current S2 O
16. rotate when the STEP pulse is present on STP input The direction of the rotation depends on signal level present on DIR input Parameters necessary for N1 Operation Mode Perform S1 setup Cycle the power OFF ON 12 BSD 016 User Manual Interinar Electronics 2 3 2 N2 NORMAL OPERATION WITH ICR The BSD 016 energizes the motor only when ENABLE signal is low Motor will start rotate when the STEP pulse is present on STP input The direction of the rotation depends on signal level present on DIR input If the STEP pulse is absent for period longer than 2 seconds the driver will enter ICR mode and lower the phase current to the level set during S2 setup Parameters necessary for N2 Operation Mode Perform S1 setup Perform S2 setup Set SW2 1 OFF and SW2 2 ON Cycle the power OFF ON SW2 OFF 1 MON 2 3 4 N2 24 AUTOMATIC IDLE CURRENT REDUCTION ICR The BSD 016 driver is equipped with Automatic Idle Current Reduction ICR circuitry The main purpose of using this feature is the reduction of the heat dissipated in the motor and driver during the time when the motor stays idle in one position without moving for prolonged time Driving the motor at 100 its rated current while still standing will not only produce the heat in the motor which may lead to overheating but it is a waste of energy In majority of applications the torque needed to hold the load in the position is minimal compared to the to
17. rque needed to move the load from one position to another Only a handful of applications require producing the holding torque at the same level during both rotation and stand still periods Automatic Idle Current Reduction is available in N2 mode It is activated 2 seconds after the last change on the STP input When turned ON it will lower Veer from Vrermax tO Vrer icr The Vper is restored to Vpermax within 700us after arrival of the next step pulse on STP input The Idle Current may be set to any value in range from 0 to 100 of the Imax In other words you may adjust Vrerqcr to any value in range from 0 to 100 of the Vrermax Automatic Idle Current Reduction IS NOT AVAILABLE IN SETUP MODES S1 or S2 13 BSD 016 User Manual Interinar Electronics 3 APPLICATION 3 1 POWER SUPPLY The BSD 016 is a Constant Current driver which means that it will maintain the phase current regardless of the voltage applied to the driver However this statement implies certain limitations described below 3 1 1 VOLTAGE The BSD 016 works most of the time in Constant Current Mode by switching the voltage on motor terminals chopping while monitoring and maintaining the level of the phase current The driver will stay in Constant Current Mode as long as the voltage applied to the power terminal is higher than the rated voltage of the motor For example motor label shows 12V The BSD 016 will work in Constant Current Mode only if the power supp
18. rseesnnanecsanens 1 HARDWARE 1 1 1 OVERVIEW eee 1 2 HARDWARE DESCRIPTION 1 2 1 DRIVER FEATURES 1 3 CONNECTORS ccseeseeee 1 3 1 AVAILABLE CONNECTORS 1 3 2 POWER CONNECTOR J1 1 3 3 MOTOR CONNECTOR J3 1 3 4 SIGNAL INPUT CONNECTOR 1 3 5 SW2 DIP SWITCH 1 4 CONNECTING TO BSD 016 1 4 1 POWER SUPPLY 1 4 2 STEP MOTOR 1 4 3 EXTERNAL CONTROLLER 2 OPERATION MODEG 10 2 1 1 OVERVIEW 2 2 SETUP MODE 2 2 1 S1 MAX MOTOR CURRENT SETUP MODE 2 2 2 S2 IDLE MOTOR CURRENT SETUP MODE 2 3 NORMAL MODE 2 3 1 N1 NORMAL OP 2 3 2 N2 NORMAL OPERATION WITH ICR 2 4 AUTOMATIC IDLE CURRENT REDUCTION ICR 3 APPLICATION 3 1 POWER SUPPLY 3 1 1 VOLTAGE 3 1 2 CURRENT 3 2 STEPPER MOTOR 3 2 1 4 WIRE MOTORS 3 2 2 6 WIRE MOTORS 3 2 3 8 WIRE MOTORS 4 ELECTRICAL AND MECHANICAL SPECIFICATION 4 1 ABSOLUTE MAXIMUM RATINGS 4 2 ELECTRICAL CHARACTERISTICS 4 3 EXTERNAL STEP PULSE TIMING PARAMETERS ON STP INPUT 4 4 SAFETY SUMMARY 4 5 TROUBLESHOOTING i 4 6 TECHNICAL SUPPORT 19 5 DIMENSIONS AND MOUNTING WCrnomVNaAnunbaA DADA DADAM BSD 016 User Manual Interinar Electronics 1 HARDWARE REFERENCE 1 1 1 OVERVIEW The BSD 016 drives Unipolar and Bipolar Step Motors converting Step and Direction signals from the external microcontroller to amplified phase currents Any source of TTL level signals 5V logic can be used as a con
19. th ends of each phase are connected to the driver In series connection motor should be operated at 70 of the rated current Running motor at full rated current will saturate and overheat the motor The series connection is preferred method because it produces less heat in the driver and produces higher torque O no 4 m e Py C STEP MOTOR e 3 BSD 016 e e e m p swz DOOD O aie Figure 4 Bipolar series connection of 6 wire motor The BSD 016 may not be able to drive some motors in series connection Specifically construction of 7 5 degree tin can motors requires different switching sequence In such case center tap connection must be used Unipolar connection one end of each phase is insulated The other end and center tap are connected to the driver The driver should be adjusted to full rated current of the motor This connection works better at higher speeds 15 BSD 016 User Manual Interinar Electronics 2 ee P 4 x m e e n STEP MOTOR e 3 3AN gt BSD 016 e 2 J F Mat RA ba a a swa 0000 O O Figure 5 Unipolar connection of 6 wire motor Table 7 Parameters for 6 wire motor MODE POWER CURRENT VOLTAGE TORQUE Bipolar Series 100 70 140 140 Unipolar 100 100 100 100 3 2 3 8 WIRE MOTOR
20. that it features output protection it will be damaged if not properly connected to the motor Common mistakes include phase wire mixing and connecting motor directly to VB or Gnd Only two phase stepper motors may be used That includes both bipolar and unipolar motors Bipolar motors are always 4 wire type Unipolar motors come in 6 or 8 wire version which gives additional flexibility in selecting performance Most of thin can 2 phase motors have different switching sequence and will not work with BSD 016 please compare switching sequence in motor data sheet The 5 phase motors cannot be used with BSD 016 NEVER CONNECT OR DISCONNECT THE MOTOR WHILE THE POWER IS ON INSULATE UNUSED MOTOR LEADS SEPARATELY DO NOT CONNECT ANY MOTOR LEADS TO GROUND OR POWER SUPPLY 14 BSD 016 User Manual Interinar Electronics 3 21 4 WIRE MOTORS This type of motor can be connected only one way See drawing below Swapping two wires of just one phase will cause motor to rotate in opposite direction STEP MOTOR eeeoug 1 BSD 016 gt swe 000 Figure 3 Bipolar 4 wire motor connection Table 6 Parameters for bipolar 4 wire motor MODE POWER CURRENT VOLTAGE TORQUE Bipolar 100 100 100 100 3 2 2 6 WIRE MOTORS Motors with 6 leads can be connected in two different ways 1 Bipolar Series connection center tap is not used Bo
21. trolling device for BSD 016 driver The operation with CMOS 3 3V external devices is possible but not guaranteed However we can deliver a special CMOS 3 3V version if requested 1 2 HARDWARE DESCRIPTION The BSD 016 is based on powerful DMOS microstepping circuit with internal translator The simplicity of the design has advantage in lower number of components making this driver a very rigid and reliable Once configured correctly the driver does not require any further adjustments or maintenance Single voltage supply simplifies power requirements and lowers overall system cost 1 2 1 DRIVER FEATURES Bipolar operation Built in translator Phase Current from 95mA to 1500mA default Phase Current from 12mA to 185mA special order Four Stepping Modes Full Half 1 4 1 8 BSD 016 8 or 1 16 BSD 016 16 Automatic current decay mode detection selection Mixed and Slow current decay modes Synchronous rectification for low power dissipation Fixed Off Time current regulator for Constant Current operation Internal Under Voltage Lock Out protection Thermal Shutdown protection Crossover Current protection Single Power Supply Automatic Idle Current Reduction ICR 1 3 CONNECTORS 1 3 1 AVAILABLE CONNECTORS The BSD 016 features following connectors e POWER CONNECTOR J1 power for step motor and circuits on board e MOTOR CONNECTOR J3 step motor e SIGNAL INPUT CONNECTOR J4 Enable Step and Direction sig
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