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MICROPHASE
Service Manual
DCD300
Via Palladio, 23 – 36051 Creazzo (VI) - Italy
+39 0444 1440137 - info@microphase.eu – www.microphase.eu

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Summary of Contents for MICROPHASE DCD300

  • Page 1 MICROPHASE Service Manual DCD300 Via Palladio, 23 – 36051 Creazzo (VI) - Italy +39 0444 1440137 - info@microphase.eu – www.microphase.eu...
  • Page 2 Page 2 ——————————————————————————————————————————————— White page MICROPHASE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- DCD300...
  • Page 3 ——————————————————————————————————————————————— WARNING! The converters of the DCD300 series are running at high voltages. Even after disconnecting the converter, the capacitor circuits are still under voltage for a short period of time. Therefore it is absolutely recommended to wait 5 minutes until operating on the inner part of the converter.
  • Page 4: Table Of Contents

    FUNCTIONAL DIAGRAM BLOCK DIAGRAM OF THE REGULATION CARD CUSTOMISING CARD AND SETTINGS DISPLAY SIGNALS TERMINAL CONNECTIONS POWER CONNECTIONS WARNING: EXAMPLES OF CONNECTIONS RECOMMENDATIONS FOR THE INSTALLATION AND OPERATION DIAGNOSTICS RECOMMENDATION FOR INSTALLATION ACCORDING TO THE EMC STANDARDS MICROPHASE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- DCD300...
  • Page 5: Generality

    50 % combined with all advantages regarding maintenance and life of the brushes and of the motor. The converters of the DCD300 series are developed for controlling the speed of d.c. motors with permanent magnets both with dynamo tachometric and armature feedback.
  • Page 6: Overall Dimensions

    Page 6 ——————————————————————————————————————————————— OVERALL DIMENSIONS DCD300 10/20 20/40 30/60 40/80 MICROPHASE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- DCD300...
  • Page 7 Page 7 ——————————————————————————————————————————————— DCD300 60/120 MICROPHASE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- DCD300...
  • Page 8 Page 8 ——————————————————————————————————————————————— Note: Observe a minimum free distance of 10 cm between converter and surrounding components so as not to hinder the ventilation of the converter. MICROPHASE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- DCD300...
  • Page 9: Technical Features

    DCD 150 / 10M 25÷90 V 30÷120 Vcc ± 10% 50 - 60 Hz. Single phase 90 ÷ 240 V DCD300 / 10M ± 10% 50 - 60 Hz. DCD300 / 10A DCD300 / 20A DCD300 / 30A Three-phase 120÷280 Vcc 90 ÷...
  • Page 10: General Characteristics

    Supply voltage of the from single-phase autotransformer with a secondary voltage of 90V ÷ 240V ±10% DCD300M: Supply voltage of the DCD300: from three-phase autotransformer with a secondary voltage of 90V ÷ 240V ±10% Mains frequency: 50/60 Hz. Output voltage:...
  • Page 11 • Against excessive energy gain on inner clamp resistance’s • Against breakage or failure of dynamo tachometric connections Optional: • Velocity regulation with armature feedback Operation: from 0 ÷ 40° C Temperature: Humidity: 90% max. without condensation Altitude: 1000 m. Protection degree: IP 20 MICROPHASE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- DCD300...
  • Page 12: Functional Diagram

    Page 12 ——————————————————————————————————————————————— FUNCTIONAL DIAGRAM MICROPHASE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- DCD300...
  • Page 13: Block Diagram Of The Regulation Card

    Page 13 ——————————————————————————————————————————————— BLOCK DIAGRAM OF THE REGULATION CARD MICROPHASE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- DCD300...
  • Page 14: Customising Card And Settings

    Page 14 ——————————————————————————————————————————————— CUSTOMISING CARD AND SETTINGS Description of the plug-out customising card and settings Jumper closed Range Dynamo voltage ÷ 17.5VDC 28.5VDC ÷ 26VDC 42VDC ÷ 36VDC 60VDC ÷ 51VDC 84VDC ÷ 79VDC 130VDC MICROPHASE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- DCD300...
  • Page 15: Display Signals

    1 Five Alarm of the protection device against mains over- and under voltage. Check the R.S.T. power supply. Until the abnormality continues the drive is disabled. Automatic reset is done when the normal operation conditions are achieved MICROPHASE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- DCD300...
  • Page 16 Alarm of missing or inverted connections of terminal 7 and 8 of the dynamo tachometric. During this operation the drive is blocked and can be reset by tuning off from the R.S.T. power supply for at least 5 seconds MICROPHASE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- DCD300...
  • Page 17 Automatic reset is done when the normal operation temperature is achieved. Check the well functioning of the ventilation. Observe the minimum free distance of at least 10 cm. of the inferior part when installing the drive MICROPHASE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- DCD300...
  • Page 18: Terminal Connections

    When a protection device is activated, the contact is open (max. 24V, 100 mA) ENABLE Input for the 0V or 24VDC enable signal of the drive (without no difference a 0V or a +24V signal can be used) MICROPHASE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- DCD300...
  • Page 19: Power Connections

    (190 VAC maximum) Connection terminal for grounding Attention: Do not disconnect the motor when the converter is supplied, even by converter disabled. Do not supply the converter during controls and maintenance. MICROPHASE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- DCD300...
  • Page 20: Warning

    Bill of components: R1, R2, R3 da 20Ω min. 50W T2 25/30 A power contact Rispect the following procedures to start: Insert T2 while mantaining T1 OFF swith ON T1 after 2/3 seconds MICROPHASE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- DCD300...
  • Page 21: Examples Of Connections

    Page 21 ——————————————————————————————————————————————— EXAMPLES OF CONNECTIONS General connections MICROPHASE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- DCD300...
  • Page 22 Page 22 ——————————————————————————————————————————————— Connection with potentiometer reference MICROPHASE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- DCD300...
  • Page 23 Page 23 ——————————————————————————————————————————————— Connection with PLC or CNC reference MICROPHASE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- DCD300...
  • Page 24: Recommendations For The Installation And Operation

    The inclusion of these circuit breakers can cause the breaking of the power stage. • Unpack the DCD300 and verify the integrity of all the single parts • Connect a potentiometer of 5 KOhm to the terminals 15 and 16. Connect the cursor of the potentiometer to terminal 2 and terminal 1 to terminal 3.
  • Page 25 (highest value) and turn the P7 trimmer on the customising card to the desired value • Check the well functioning of the drive and proceed the offset tuning by applying a 0V reference voltage and turning the P1 trimmer (on the regulation card) until the motor stops rotating MICROPHASE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- DCD300...
  • Page 26: Diagnostics

    Check the power supply (within the allowed range) on the R.S.T. terminals. If there is no voltage supplied, check the fuses mounted before and after the power transformer. If the terminals result under voltage but the DCD300 is not enabled, please...
  • Page 27 The DISPLAY shows "6" when starting or during normal operation If this alarm occurs, cut off immediately the power supply of the DCD300 unit or better of the complete electrical installation and check the motor connections. If the connections result correct, check the condition of the brushes and if the motor is clean and free of carbon residues.
  • Page 28 If the alarm continues after having carried out all the controls without having noticed any abnormality, please contact the customer service of Microphase or the supplier of the DRIVE. MICROPHASE...
  • Page 29: Recommendation For Installation According To The Emc Standards

    Here below, it is shown a generically diagram for the connection of a converter, with the indication on the connection of the screened cables in use. MICROPHASE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- DCD300...
  • Page 30 Page 30 ——————————————————————————————————————————————— 200510 Figure 1 MICROPHASE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- DCD300...
  • Page 31 Page 31 ——————————————————————————————————————————————— Note: MICROPHASE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- DCD300...
  • Page 32 Page 32 ——————————————————————————————————————————————— The information contained in this document is subject to modification without warning by Microphase S.r.l. You are kindly requested to notify us of errors of any kind that you happen to observe in this manual so that we may make the necessary modifications and thereby improve the servicing assistance that Microphase offers its clients.

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