Table of Contents
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Table of Contents
Summary of Contents for Speeder Motion MicroStar B Series
- Page 1 MicroStar B 100% Progettato costruito collaudato & in Italia MicroStar B B rushless & dc M otor D rive Service Manual HIGH PERFORMANCE SOLUTION FOR INDUSTRIAL AUTOMATION Service manual MicroStar B rev06 www.speedermotion.com...
- Page 2 MicroStar B WARNING - Risk of damage and/or personal injury This drives doesn’t contain any user serviceable part. Attempting to replace any internal component, may result in damage to the unit and/or personal injury. This may also void the warranty. All the informations and concepts included in this user guide are copyright, and are supplied to the user with the understanding that it may not be copied, disclosed or duplicated in whole or in part for any purpose not authorised by the factory.
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Page 3: Table Of Contents
MicroStar B Index Chapter 1 1.1 Safety and note ......................5 1.2 Operation mode and feedback ................. 6 1.3 Model and size ......................7 1.4 View product ......................8 1.5 Ambient conditions ....................9 1.6 Dimensions ......................10 1.7 Label description ....................11 1.8 Components description .................. - Page 4 MicroStar B Chapter 1 Description 1.1 Safety and Note ......................5 1.2 Operation mode and feedback ................. 6 1.3 Model and size ......................7 1.4 View product ......................8 1.5 Ambient conditions ....................9 1.6 Dimensions ......................10 1.7 Label description ....................11 1.8 Terminals description .....................
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Page 5: Chapter 1 1.1 Safety And Note
MicroStar B Safety and note Caution Users must keep well clear in mind that this motion control equipment is capable of producing high forces and rapid movement so they must be used with attention especially during the application program’s development. This motion control equipments are sold as end-users products to be installed only by practical staff in accordance with all local safety laws and regulations. -
Page 6: Operation Mode And Feedback
MicroStar B Operation mode and feedback Description This is a drive capable of piloting both rotary AC brushless motors and DC brush motors, up to 2Nm. It's a High Performance full four quadrant drive. The mosfet output power stage is controlled by a 20 Khz PWM (Pulse Width Modulation) signal that allows it to drive servo motors where high dynamic performance and precise speed is required. -
Page 7: Model And Size
MicroStar B Model and size Model available POWER SUPPLY Model 60 20 - 84 Vdc* 60Vdc ** Model 110 30 - 130 Vdc* 100Vdc ** Model 140 40 - 184 Vdc* 140Vdc ** * Power supply min/max **Typical The power supply voltage has to be a transformer-isolated voltage Size available CURRENT Size... -
Page 8: View Product
MicroStar B View product View product Solder bridges Adjustement zone Calibration Potentiometers Leds TP Test point (Encoder or Armature velocity) M1 Signal terminal 16 pins MC1,5/16-ST-3,81 (pitch 3,81) M2 Power Terminal 5 pins GMST 2.5/5-G-5,08 (pitch 5,08) Fixing screw Product Cover (10) Product Label Service manual MicroStar B... -
Page 9: Ambient Conditions
MicroStar B Ambient conditions Positioning in the electrical box The drive is natural convection air flow cooled. To ensure the drive cooling and make the installation easier for the operator it must be installed vertically leaving a free space of at least 20 mm (0,78 inch) on each side of the device. -
Page 10: Dimensions
MicroStar B Dimensions Dimensions 28.00 1.10” 18.00 0.70” 17,50 0.68” 3.54” 1,77” 3.62” 135,1 5.31” 27,5 1,08” Dimensions are expressed in millimeters. MECHANICAL SPECIFICS Type (Panel mount) External dimensions 28 x 92 x 135,1 mm Weigth 0,35 kg 10.6oz Service manual MicroStar B rev06... -
Page 11: Label Description
MicroStar B Drive label Drive label description The Label printed above is a typical example. To identify the various options see below: Ambient Temperature: 0 to 45°C Ambient temperature Humidity range From 5 to 95% NOT CONDENSING Contaminants Protection Class : IP20 Pollution : 2 or better Protection class Pollution degree 001029... -
Page 12: Components Description
MicroStar B Components description Description The drive system consists of the following components: n°1 Servo Drive n°1 M1 Signal terminal 16 pins "type MC 1,5/16-ST -3,81" n°1 M2 Power Terminals 5 pins "type GMST 2,5/5-G-5,08" Power connector M2 connector M2 CONNECTOR Positive Power supply input (IN) Negative Power Supply input (GND) -
Page 13: Signal Inputs And Output
MicroStar B Signal inputs and outputs M1 Connector M1 CONNECTOR Current motor monitor: +/-4Vdc=Rated current, +/-8Vdc=Peak 1 CURR (OUT) current output in Volts. This output may be used to monitor the torque the motor is producing. Drive OK, open collector output max. 50mA 2 OK (OUT) (Normally closed, opens when in protection mode) This signal can be used in 2 distinct modes... -
Page 14: Potentiometer Adjustements
MicroStar B 1.10 Potentiometer Adjustments Potentiometer adjustments FUNCTION Motor fine speed adjustement. Use this potentiometer to adjust the maximum motor speed. Turn clockwise (cw) to increase the motor speed and counter-clockwise (ccw) to reduce the motor speed. The range of the adjustment is +/-20%. -
Page 15: Indicator Leds And Protections
MicroStar B 1.11 Indicator Leds and Protections Leds Five LEDs are located just in front of the potentiometers and show the current state of the drive. FUNCTION Normally ON. This indicator shows that the drive is operating correctly. If this LED is Off, it is indicating at least one fault has been activated. The faults that affect this LED are: GREEN --Over/Under input voltage.--Over temperature. -
Page 16: Internal Adjustements
MicroStar B 1.12 Internal adjustement Internal adjustement If changes need to made to the internal drive setting powering, please wait at least 40 seconds after the power has been removed and the OK LED is off. All of the personalizations are located inside of the DRIVE. To gain access to the adjustment pads and the Solder bridges, unscrew and remove the cover. - Page 17 MicroStar B 1.12 Internal adjustement Adjustement zone FUNCTION RENC Encoder resistor adjustement Armature resistor adjustement Droop compensation for internal motor resistance (RI) Nominal drive current resistor Peak drive current resistor Resistor value that respectively form the proportional/integral network of the velocity Loop gain.
- Page 18 MicroStar B 1.13 Power supply Power supply construction This component was designed to generate all required supply voltages in the Drive, so only a simple single voltage power supply is needed. Use the schematic and formulas provided below to design a supply that will be trouble-free and handle the power needed by the drive.
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Page 19: Power Supply Notes
MicroStar B 1.13 Power supply Power transformer The transformer's nominal power is calculated based upon the sum of power from the single motors driven: P(VA)=Pn1+Pn2+.. Pn Motor = N * Cn / 9,55 Power absorbed motor Where: Pn Motor = in (W) = Max. -
Page 20: Power Supply Notes
MicroStar B 1.13 Power supply Capacitor filter In regards to the capacitor filter we suggest a working voltage of: 100VDC for (Model-60) Warning! 150VDC for (Model-110) Tipical value are from 4700uF to 20.000uF Discharge resistor The bleeder resistor is used to drain the charge from the filter capacitor when power is removed from the supply. - Page 21 MicroStar B Chapter 2 Connections 2.1 About Connections ....................22 2.2 Ground Connections ....................23 2.3 Brushless motor Connections with encoder feedback ........24-25 2.4 Brushless motor Connections with fa-coder feedback ........26-27 2.5 Brushless motor Connections with only hall feedback ........28-29 2.6 Brush D.C motor Connections with Encoder feedback ........
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Page 22: About Connections
MicroStar B About connections Note The drives have to be supplied from an isolating rectified transformer secondary or a DC isolated power supply. The conformity is assured only if it is installed following the precise assembly criteria expressed below. The fundamental assembly characteristics are summarized below: A) Use of appropriate network to filter the line (transformer input), from disturbances conducted or produced by the drive. -
Page 23: Ground Connections
MicroStar B Connection to earth and ground Connection to earth and ground Make sure that the servodrive and the motor are connected to earth in accordance with the current norms. This connection must be done by using a copper bar, mounted on insulating supports: L bar Ground bar... -
Page 24: Brushless Motor Connections With Encoder Feedback
MicroStar B Brushless connection with encoder Brushless motor connection with encoder The following diagram shows an tipical application utilizing a Drive with Brushless motor WARNING: Hall sensors must be supplied using the internal +5V of the Drive (M2 connector 12). If an external supply is used, open solder bridge S11. Service manual MicroStar B rev06... - Page 25 MicroStar B 2.3 Brushless connection with encoder Setting for Brushless motor with encoder In this configuration, the drive must set with the following Solder bridges and below internal setting: SOLDER BRIDGES ADJUSTEMENT ZONE Solder Bridges set for: For the correct value of RENC resistor - Encoder feedback (speed adjustment range) see chapter 3.1 - Ramp time disabled...
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Page 26: Brushless Motor Connections With Fa-Coder Feedback
MicroStar B Brushless connection with Fa-coder Brushless motor connection with Fa-coder The following diagram shows an tipical application utilizing a Drive with Brushless motor WARNING: Hall sensors must be supplied using the internal +5V of the Drive (M2 connector 12). If an external supply is used, open S11. Service manual MicroStar B rev06... - Page 27 MicroStar B 2.4 Brushless connection with fa-coder Setting for Brushless motor with fa-coder In this configuration, the drive must set with the following Solder bridges and below internal setting: SOLDER BRIDGES ADJUSTEMENT ZONE Solder Bridges set for: For the correct value of RENC resistor - Fa-coder feedback (speed adjustment range) see chapter 3.1 - Ramp time disabled...
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Page 28: Brushless Motor Connections With Only Hall Feedback
MicroStar B Brushless connection with only Hall Brushless motor connection with only Hall The following diagram shows an tipical application utilizing a Drive with Brushless motor (only Hall signals) Service manual MicroStar B rev06... - Page 29 MicroStar B 2.5 Brushless connection with only Hall Setting for Brushless motor with only Hall In this configuration, the drive must set with the following Solder bridges and below internal setting: ADJUSTEMENT ZONE SOLDER BRIDGES Solder Bridges set for: For the correct value of RA and RCA resistor - Hall feedback (Armature) (speed adjustment range) see chapter 3.2 - Ramp time disabled...
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Page 30: Brush D.c Motor Connections With Encoder Feedback
MicroStar B Brush DC connection with Encoder Brush DC motor connection with Encoder The following diagram shows an tipical application utilizing a Drive with Brush motor The drive is made by factory in the BRUSHLESS MODE. For set in the D.C MODE, connect the pins 13 and 15 together with short wire (M1 connector) see figure. - Page 31 MicroStar B 2.6 Brush DC connection with Encoder Setting for Brush DC motor with encoder In this configuration, the drive must set with the following Solder bridges and below internal setting: SOLDER BRIDGES ADJUSTEMENT ZONE Solder Bridges set for: For the correct value of RENC resistor - Encoder feedback (speed adjustment range) with encoder see - Ramp time disabled...
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Page 32: Brush D.c Motor Connections With Armature Feedback
MicroStar B Brush DC connection in Armature Brush DC motor connection in Armature The following diagram shows an tipical application utilizing a Drive with Brush motor The drive is made by factory in the BRUSHLESS MODE. For set in the D.C MODE, connect the pins 13 and 15 together with short wire (M1 connector) see figure. - Page 33 MicroStar B 2.7 Brush DC connection in Armature Setting for Brush DC motor with Armature In this configuration, the drive must set with the following solder bridges and below internal setting: SOLDER BRIDGES ADJUSTEMENT ZONE Solder Bridges set for: For the correct value of RA and RCA - Armature feedback resistor (speed adjustment range) in ar- - Ramp time disabled...
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Page 34: Velocity Speed Input
MicroStar B Speed velocity input Differential reference (+/-VEL) This analog in differential mode has a 40Kohm of impedance input. The following diagram shows an application utilizing a differential reference from a C.N.C DRIVE Common mode reference This analog in common mode has a 20Kohm of impedance input. The following diagram shows an application using speed reference connections from C.N.C in the Common Mode. -
Page 35: Tprc Torque Input
MicroStar B TPRC analog input Current reference (Torque mode) With a voltage (example from a CNC output) you can command the drive in torque mode. DRIVE Applying a signal of +/-10V at TPRC, the Drive to supply positive or negative peak current. The formula to determine the value of Voltage to apply in TPRC in order to obtain requested current is the following: V(TPRC) = 10 * Request current / PKcurrent Drive... -
Page 36: Enable Input
MicroStar B 2.10 Enable input Enabling with positive logic The standard drive is furnished in this configuration. Enable input has logic range: >+8V to +30Vdc (min/max) DRIVE Unconnected Enable input = Drive Not Enabled Enable Input +24Vdc = Drive Enabled Service manual MicroStar B rev06... - Page 37 MicroStar B Chapter 3 Adjustement 3.1 Adjustements with encoder feedback ..............38 3.2 Adjustements with armature feedback .............. 39-40 3.3 Speed offset adjustments ..................40 3.4 Current adjustments ....................41 3.5 Ramp time adjustments ..................42 3.6 Dynamic adjustment ....................43 3.7 Troubleshooting ......................
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Page 38: Adjustements With Encoder Feedback
MicroStar B Encoder feedback Adjustement with encoder feedback For this adjustment both Hall effect and Encoder signals are required from the Brushless motor as shown in Connections on Chapter 2.3 , 2.4 and 2.5 For Brush dc motor only Encoder is required as shown in Connections on Chapter 2.6 Internal setting for encoder feedback Solder... -
Page 39: Adjustements With Armature Feedback
MicroStar B Armature feedback Armature feedback For this adjustment Hall effect signals are required from the Brushless motor as shown in Connections on Chapter 2.3, 2.4, 2.5. For Brush dc motor, only +M and -M is required, as shown in Connections on Chapter 2.7 The voltage from the motor armature can be used as feedback when the motor doesn't have an Encoder. -
Page 40: Speed Offset Adjustments
MicroStar B 3.2 Armature feedback RCA resistor calculations Insert an RCA resistor on the header (ajustement zone) to compensate for voltage loss due to the motor resistance reducing the loss of RPM. The formula is as follows: RCA (Kohm) = 0,5 * N * Ke Vref * Ipk * Ri Where: N= max. -
Page 41: Current Adjustments
MicroStar B Current adjustment RIN resistor (Nominal current adjustment) This Drive is pre-set to the nominal current rating of the drive, if a lower current is needed to match the motor used, refer to the chart below and select the correct resistor value to be fitted as RIN. -
Page 42: Ramp Time Adjustments
MicroStar B Ramp time Ramp time adjustment This function is enabled by Solder bridges 1, 2, 3 (closed). It allows adjustment of the ramp slope during both acceleration and deceleration. Adjusting the ACC potentiomenter, located in front of the drive, clockwise (cw) increases the ramp time between 0,1 and 1S (It for a 10V +/-VEL reference). -
Page 43: Dynamic Adjustment
MicroStar B Dynamic adjustement Dynamic constant adjustment Usually, these settings are made by the factory and do not need to be changed. Only re-tuning by KV and DER potentiometer is required. If high inertia loads are present (ratio 3:1 between load and motor), it is necessary to set the proportional gain “KV potentiometer”... -
Page 44: Troubleshooting
MicroStar B Troubleshooting Troubleshooting 1) When power is on -the green OK LED doesn't come on. - Check the voltage between +HV and -GND with a tester. 2) With the green OK LED on the motor doesn't run when the drive is enabled. - Check input signal (Enable-reference) 3) When the drive is enabled the green OK LED goes off and the red O.C. -
Page 45: Conformity
MicroStar B Agency approvals CE COMPLIANCE: 89/336/EEC Electromagnetic EN 55011 Compatibility EN 550082-1 98/37/EC Safety of Machinery EN 60204-1 The EC mark that is applied to the drives references to the Low Voltage Directive (2006/95/EC) and EC Directive on EMC (89/336/EC). The standard EN 61800-5-1 is applied to ensure conformance with the Low Voltage Directive. - Page 46 MicroStar B White page Service manual MicroStar B rev06...
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