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BD SERVO DRIVES USER GUIDE

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Summary of Contents for BD-E Series

Page 1: ...pair services USA 1 888 932 9183 Canada 1 905 829 2505 Emergency After hours 1 416 624 0386 Servicing USA and Canada Scroll down to view your document Over 100 years cumulative experience 24 hour rush...

Page 2: ...in operation This product is sold as a motion control component to be installed in a complete system using good engineering practice Care must be taken to ensure that the product is installed and used...

Page 3: ...not remove cover No user serviceable parts inside CAUTION Hot surface Do not touch motor earth Symbols used on the BD E series of drives have the following meanings Refer to the accompanying document...

Page 4: ...omagnetic Compatibility Directive as amended by Directive 92 31 EEC The product is intended for use in the Commercial Light Industrial and Industrial Environments as defined in the relevant EMC standa...

Page 5: ...Change Summary The following is a summary of the primary changes to this user guide since the last version was released When a user guide is updated the new or changed text is differentiated with a ch...

Page 6: ...ii BD SERVO DRIVES USER GUIDE...

Page 7: ...Both drive types have high resolution sinusoidal commutation and have been designed to be used with three phase brushless servo motors Control of either velocity or torque is provided via a 10V analo...

Page 8: ...l velocity torque demand input Fault output Incremental encoder outputs Monitor Circuits Tachometer output Current level output Note Three internally mounted indicators visible through slots in top of...

Page 9: ...s specified continuous temperature rating requiring extra cooling to be used or reduction of the operating duty cycle Note the over temperature LED will also be illuminated by faulty motor feedback co...

Page 10: ...gs see the Installation section Time Constant The Time Constant single turn potentiometer and associated components determine the bandwidth of the amplifier For settings see the Installation section D...

Page 11: ...BD User Guide 1600 208 XX Cable Set BDCXXXX Where XXXX specifies cable length for example BDC1500 specifies a 15 metre cable set Table 2 1 BD E Drive Ship Kit Systems may be shipped configured with d...

Page 12: ...ent personnel familiar with installation of motion control equipment The safety earth connection must be made as shown to minimise the risk of electric shock Figure 2 2 illustrates the pre installatio...

Page 13: ...om a 220 240V AC input with no isolating transformer Please note that the safety earth connection is necessary to provide a return path for the leakage current flowing through line to earth capacitors...

Page 14: ...and 8 should be both set to ON to minimise the motor current whilst setting up the drive 3 Make sure that the motor is held securely and that the shaft is free to rotate 4 Turn on the main AC supply 5...

Page 15: ...top panel The ambient temperature must not be allowed to exceed 40 C if an operator has access to the case or 50 C if operator access is not allowed The drive requires a mains supply of Installation...

Page 16: ...nections Pin 1 MOTOR FEEDBACK USER I O Pin 15 Pin 9 Pin 8 Pin 1 Pin 13 Pin 14 Pin 25 BIT SWITCH 1 8 ON HV present Damping Time constant Tach gain Balance It Clamp Current Limit Drive Fault Overtempera...

Page 17: ...chometer monitor output 8 Curr Level Out Current monitor output 9 FT Fault 10 A A output from incremental encoder 11 A A output 12 B B output from incremental encoder 13 B B output 14 I Z output from...

Page 18: ...rpm using an MD 34 sized motor These speeds assume the Tach Gain potentiometer is fully CW You may increase these speeds by turning the Tach Gain potentiometer CCW When V1 is positive with respect to...

Page 19: ...is ON and the reset input is open circuit the reset input is pulled up to 15V using a 15k ohm resistor and the drive is energised To de energise the drive you will need to connect this input to 0V pi...

Page 20: ...r screened cable and 26LS32 line receivers or optos Note Particular care should be paid to these outputs to prevent EMC radiation problems When using line receivers connect the screen to earth at both...

Page 21: ...rmistor Pink Grey Twisted Pair 8 9 I I Green Yellow Twisted Pair 10 11 B B White Brown Twisted Pair 12 13 A A White Yellow Yellow Brown Twisted Pair 14 Reserved 15 16 0V 5V White Pink Pink Brown Twist...

Page 22: ...5 Tach Input Tach input The Tach input pins are not normally used They are reserved for use with a brushed tachometer for high performance applications Pin6 0V 0V return for thermistor Pin 7 Thermisto...

Page 23: ...Connector Pin Functions Signal Name Lead Colour W Yellow V White U Brown E Green E Not used Table 3 3 Motor Connector Pin Functions Rewiring the Motor Connections The main motor cable has 5 leads and...

Page 24: ...CY 0034804 Encoder cable Lapp LiYCY 0035805 Connection details will be found in Tables 3 2 to 3 3 When making up new cables make a careful note of how the original cable is terminated and ensure that...

Page 25: ...rrangements you need to make when installing the drive within an equipment cabinet MOTOR FEEDBACK MOTOR ENCODER MAINS INPUT 150mm MAX STAR EARTH POINT E N L MOTOR CONNECTOR CABINET EARTH 1 metre minim...

Page 26: ...n the drive Tighten the jacking screws firmly The metal housing on this connector must not be removed The encoder cable is fitted with a ferrite absorber at the drive end which is essential for EMC co...

Page 27: ...in area Control signal connections BD E The analogue input signal should be carried in a twisted pair screened cable with the screen connected to the connector shell on the drive and to the appropriat...

Page 28: ...n this case The torque produced directly relates to the motor current For example a gain of 1A Volt would produce 1A of motor current for each volt at the input 10V at the input would produce 10A of m...

Page 29: ...p 4 Apply zero velocity demand to the input by connecting both signal inputs VEL1 and VEL2 together Step 5 Switch on the power to the drive Should the motor rotate adjust the Balance potentiometer in...

Page 30: ...ightly damped with no ringing of the waveform Step 11 Remove the input signal and ground VEL1 and VEL2 to each other and if necessary readjust the Balance control until the shaft remains stationary Se...

Page 31: ...SECTION 3 INSTALLATION 25...

Page 32: ......

Page 33: ...t from mains Control input 10V analogue torque or velocity Reference outputs 15V at 10mA Velocity feedback Built in incremental encoder Switching frequency 10Khz Velocity mode gain 5000 Torque amp gai...

Page 34: ...Brushless Motor Data The dimensions of the motors are shown in Figures 4 1 86 0 20 00 69 6 CTRS 4 Holes 5 5 69 6 CTRS 86 0 73 025 0 05 8 5 6 0 0 0 03 Key to BS4235 34 5 x 5 0 x 5 0 15 45 0 05 MD3450...

Page 35: ...ive Dump Considerations The dump circuit fitted to the BD drive operates when the bus voltage exceeds a fixed level rather than when it exceeds the peak AC input voltage The dump load has a continuous...

Page 36: ...operating at a speed of 2000rpm the maximum radial load that could be tolerated is 550N Fuses BD drives are fitted with fuses which limit circuit damage in the event of a fault occurring they are not...

Page 37: ...h limit circuit damage in the event of a fault occurring they are not user replaceable If the drive fails to operate correctly or you suspect a fuse has blown return the drive for repair Warranty is v...

Page 38: ...7 and 8 Drive Fault The red drive fault LED can indicate one of the following faults Overvoltage Undervoltage Supply failure Overcurrent Overspeed An overvoltage condition may be caused by Excessive...

Page 39: ...ure this If none of these checks has isolated the problem then substitution of the drive if possible should be used to prove whether or not the drive module is at fault Motor Creep This is usually cau...

Page 40: ...ior authorisation Repairs will be carried out by Digiplan but will be processed via your supplier Digiplan may at their discretion authorise direct shipment to and from Poole or Rohnert Park but only...

Page 41: ...ommutation encoder is used to establish a torque angle of approximately 90 electrical so that 87 smooth motor torque can be achieved immediately Once the motor has moved through 180 electrical it will...

Page 42: ...ition can be confirmed by the illumination of the middle yellow LED on the top of the drive The commutation A LED will also light up when the motor is turned CW indicating the rising edge of Comm A Bi...

Page 43: ...The BD drive can be used with incremental encoders having a resolution of 512 or 1024 lines per revolution After processing the encoders would effectively produce 2048 and 4096 steps rev respectively...

Page 44: ...lly open pull up or a normally closed pull down input as shown in Figure A 3 Bit switch 6 ON Pull up 15 0V Bit switch 6 OFF Pull down 15 0V N C N O RST RST 15K 15K Figure A 3 Reset Disable Input Circu...

Page 45: ...N OFF 2 5A 5 0A ON ON The minimum current setting should be used for tuning the drive Once tuning is complete the required setting should be selected It is normal to set the peak current at approximat...

Page 46: ...40 BD SERVO DRIVES USER GUIDE...

Page 47: ...0 Hall effect encoder 35 HT LED 2 Humidity limits 9 HV present LED 3 31 Incremental encoder inputs 16 It foldback LED 3 32 LEDs 2 Motor cables extending 18 Motor cables voltage rating 17 Motor connect...

Page 48: ...ubleshooting 31 Tuning velocity amplifier 23 Tuning methods 22 Tuning the drive 23 Unstable motor operation 33 User I O Connector 12 User I O pin description 12 Velocity amplifier 23 37 Velocity deman...

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