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ABB ACS850-04 series Hardware Manual

Drive modules (55...160 kw, 75...200 hp)
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ACS850-04 Drive Modules (55...160 kW, 75...200 hp)

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  • Page 1 ACS850 Hardware Manual ACS850-04 Drive Modules (55…160 kW, 75…200 hp)
  • Page 2 ACS850 drive manuals DRIVE HARDWARE MANUALS * ACS850-04 Drive Modules (1.1 to 45 kW) Hardware Manual – 3AUA0000045496 (English) ACS850-04 Drive Modules (55 to 160 kW, 75 to 200 hp) Hardware Manual – 3AUA0000045487 (English) ACS850-04 Drive Modules (200 to 500 kW, 250 to 600 hp) Hardware Manual – 3AUA0000026234 (English) DRIVE FIRMWARE MANUALS ** ACS850 Standard Control Program Firmware Manual –...
  • Page 3 ACS850-04 Drive Modules (55…160 kW, 75…200 hp) Hardware Manual 3AUA0000045487 Rev B EFFECTIVE: 2009-07-20 © 2009 ABB Oy. All Rights Reserved.

  • Page 5: Safety Instructions

    Safety instructions What this chapter contains This chapter contains the safety instructions which you must follow when installing, operating and servicing the drive. If ignored, physical injury or death may follow, or damage may occur to the drive, the motor, or driven equipment. Read the safety instructions before you work on the unit.

  • Page 6: Installation And Maintenance Work

    Installation and maintenance work These warnings are intended for all who work on the drive, motor cable or motor. WARNING! Ignoring the following instructions can cause physical injury or death, or damage to the equipment. Only qualified electricians are allowed to install and maintain the drive. •...
  • Page 7 WARNING! Ignoring the following instructions can cause physical injury or death, or damage to the equipment. • Never attempt to repair a malfunctioning drive; contact your local ABB representative or Authorized Service Center. • Make sure that dust from drilling does not enter the drive during the installation.

  • Page 8: Start-Up And Operation

    Start-up and operation These warnings are intended for all who plan the operation of the drive, start up or operate the drive. WARNING! Ignoring the following instructions can cause physical injury or death, or damage to the equipment. • Before adjusting the drive and putting it into service, make sure that the motor and all driven equipment are suitable for operation throughout the speed range provided by the drive.

  • Page 9: Table Of Contents

    Providing feedback on ABB Drives manuals ........
  • Page 10 EMC requirements ............. .31 Mechanical installation Contents of the package .
  • Page 11 Checking the insulation of the assembly ..........47 Drive .
  • Page 12 Technical data What this chapter contains ............81 Ratings .
  • Page 13 Braking circuit commissioning ........... . 100 du/dt and common mode filtering What this chapter contains .

  • Page 14: Table Of Contents

    Table of contents...

  • Page 15: About This Manual

    About this manual What this chapter contains This chapter describes the intended audience and contents of this manual. It contains a flowchart of steps in checking the delivery, installing and commissioning the drive. The flowchart refers to chapters/sections in this manual and other manuals.

  • Page 16: Contents

    Contents The chapters of this manual are briefly described below. Safety instructions give safety instructions for the installation, commissioning, operation and maintenance of the drive. About this manual lists the steps in checking the delivery and installing and commissioning the drive and refers to chapters/sections in this manual and other manuals for particular tasks.

  • Page 17: Installation And Commissioning Flowchart

    If the converter has been non-operational for more than one year, the converter DC link Only intact units may be started up. capacitors need to be reformed. Ask ABB for more information. Check the installation site. Mechanical installation: Before installation...
  • Page 18 Task Connect the power cables. Electrical installation: Power cable connection: (page 59) and Connecting the control cables: Connect the control and the auxiliary control cables. (page 65) For optional equipment: Resistor braking (page 97) Manuals for any optional equipment Check the installation. Installation checklist (page 73) Commission the drive.

  • Page 19: Terms And Abbreviations

    Terms and abbreviations Term/Abbreviation Explanation Electromagnetic Compatibility. FIO-01 Optional digital I/O extension for the ACS850. FIO-11 Optional analog I/O extension for the ACS850. FIO-21 Optional analog/digital I/O extension for the ACS850. FEN-01 Optional TTL encoder interface for the ACS850. FEN-11 Optional absolute encoder interface for the ACS850.

  • Page 20: Product And Service Inquiries

    Product and service inquiries Address any inquiries about the product to your local ABB representative, quoting the type code and serial number of the unit in question. A listing of ABB sales, support and service contacts can be found by navigating to www.abb.com/drives...

  • Page 21: Operation Principle And Hardware Description

    Operation principle and hardware description What this chapter contains This chapter describes the construction and operating principle of the drive in short. The ACS850-04 The ACS850-04 is an IP20 drive module for controlling AC motors. It is to be installed into a cabinet by the customer. The ACS850-04 is available in several frame sizes depending on output power.

  • Page 22: Power Connections And Control Interfaces

    Power connections and control interfaces The diagram shows the power connections and control interfaces of the drive. Control unit (JCU) Slot 1 / Slot 2 FIO-01 (Digital I/O extension) Slot 1 FIO-11 (Analog I/O extension) FIO-21 (Digital/Analog I/O extension) Control panel or PC FEN-01 (Incremental [TTL] encoder interface) Slot 2...

  • Page 23: Main Circuit And Operation

    Main circuit and operation AC supply UDC+ UDC- V1 W1 ACS850-04 Rectifier – Capacitor bank Inverter Braking chopper (see chapter Resistor braking page 97) V2 W2 Braking resistor (see chapter Resistor braking du/dt filter (see chapter du/dt and page 97) common mode filtering on page Motor output...

  • Page 24: Type Code

    Type code The type code contains information on the specifications and configuration of the drive. The first digits from left express the basic configuration (e.g. ACS850-04- 290A-5). The optional selections are given thereafter, preceded by + signs (e.g. +L501). The main selections are described below. Not all selections are necessarily available for all types;...
  • Page 25 Selection Alternatives Printed hardware R… +R700: English and firmware +R701: German manuals in specified +R702: Italian language +R703: Dutch (English manuals will +R704: Danish be delivered despite +R705: Swedish of the selection if no +R706: Finnish manuals in selected +R707: French language exist) +R708: Spanish +R709: Portuguese...
  • Page 26 Operation principle and hardware description...

  • Page 27: Planning The Cabinet Assembly

    The issues discussed are essential for safe and trouble-free use of the drive system. Note: Please note that the installation must always be designed and made according to applicable local laws and regulations. ABB does not assume any liability whatsoever for any installation which breaches the local laws and/or other regulations.

  • Page 28: Free Space Requirements

    Free space requirements The modules can be installed side by side. The dimensions of the drive modules are presented in chapter Dimension drawings. The free space requirements (valid for both frame sizes) are shown below. Free space above the module: 200 mm (7.9”) Free space in front of the module: 50 mm (2.0”)

  • Page 29: Cooling And Degrees Of Protection

    Cooling and degrees of protection The cabinet must have enough free space for the components to ensure sufficient cooling. Observe the minimum clearances given for each component. The air inlets and outlets must be equipped with gratings that • guide the air flow •...

  • Page 30: Preventing The Recirculation Of Hot Air

    Preventing the recirculation of hot air Typical vertical mounting Cabinet (side view) AREA Main airflow out Air baffle plates COOL AREA Main airflow in Outside the cabinet Prevent hot air circulation outside the cabinet by leading the outcoming hot air away from the area where the inlet air to the cabinet is taken.

  • Page 31: Cabinet Heaters

    Cabinet heaters Use a cabinet heater if there is a risk of condensation in the cabinet. Although the primary function of the heater is to keep the air dry, it may also be required for heating at low temperatures. When placing the heater, follow the instructions provided by its manufacturer.
  • Page 32 360° high frequency grounding of the control cable shields is recommended at their entries. The shields can be grounded by means of conductive shielding cushions pressed against the cable shield from both directions: Bare cable shield Shielding cushion (conductive) Cabinet bottom plate Cable Cable grommet Planning the cabinet assembly...

  • Page 33: Mechanical Installation

    Mechanical installation Contents of the package The drive is delivered in a box made of plywood and cardboard. The box contains: • drive module, with factory-installed options • one cable clamp plate for control cabling with screws • screw-type terminal blocks to be attached to the headers on the JCU Control Unit •...

  • Page 34: Before Installation

    Before installation Check the installation site according to the requirements below. Refer to Dimension drawings for frame details. Requirements for the installation site Technical data for the allowed operation conditions of the drive. The drive is to be mounted in an upright position. The wall the drive is to be mounted on must be as even as possible, of non-flammable material and strong enough to carry the weight of the drive.

  • Page 35: Planning The Electrical Installation

    The stress on motor insulation can be avoided by using optional ABB du/dt filters. du/dt filters also reduce bearing currents.

  • Page 36: Supply Disconnecting Device

    WARNING! As the leakage current of the device typically exceeds 3.5 mA, a fixed installation is required according to IEC 61800-5-1. Supply disconnecting device Install a hand-operated input disconnecting device (disconnecting means) between the AC power source and the drive. The disconnecting device must be of a type that can be locked to the open position for installation and maintenance work.

  • Page 37: Operating Time Of The Fuses And Circuit Breakers

    The protective characteristics of circuit breakers depend on the supply voltage as well as the type and construction of the breakers. There are also limitations pertaining to the short-circuit capacity of the supply network. Your local ABB representative can help you in selecting the breaker type when the supply network characteristics are known.

  • Page 38: Safe Torque Off

    Safe Torque Off The drive supports the Safe Torque Off function according to standards prEN 61800-5-2; EN 954-1 (1997); IEC/EN 60204-1: 1997; EN 61508: 2002 and EN 1037: 1996. The Safe Torque Off function disables the control voltage of the power semiconductors of the drive output stage, thus preventing the inverter from generating the voltage required to rotate the motor (see diagram below).

  • Page 39: Selecting The Power Cables

    Selecting the power cables General rules Dimension the supply (input power) and motor cables according to local regulations. • The cable must be able to carry the drive load current. See the chapter Technical data for the rated currents. ° •...

  • Page 40: Alternative Power Cable Types

    Alternative power cable types Power cable types that can be used with the drive are represented below. Motor cable (also recommended for supply cabling) Symmetrical shielded cable: three phase conductors and Note: A separate PE conductor is required if the a concentric or otherwise symmetrically constructed PE conductivity of the cable shield is not sufficient for the conductor, and a shield...

  • Page 41: Protecting The Relay Output Contacts And Attenuating Disturbances In Case Of Inductive Loads

    Protecting the relay output contacts and attenuating disturbances in case of inductive loads Inductive loads (relays, contactors, motors) cause voltage transients when switched off. The relay output on the drive is protected with varistors (250 V) against overvoltage peaks. In addition, it is highly recommended to equip inductive loads with noise attenuating circuits (varistors, RC filters [AC] or diodes [DC]) in order to minimize the electromagnetic emissions at switch-off.

  • Page 42: Relay Cable

    Control panel cable The cable connecting the control panel to the drive must not exceed 3 metres in length. The cable type tested and approved by ABB is used in control panel option kits. Connection of a motor temperature sensor to the drive I/O See page 67.

  • Page 43: Control Cable Ducts

    A diagram of the cable routing is below. Supply cable Drive Control cables min 300 mm (12”) Motor cable 90° min 200 mm (20”) min 500 mm (20”) Supply cable Motor cable 90° Braking resistor cable 90° min 500 mm (20”) Control cable ducts 24 V 230 V 24 V...
  • Page 44 Planning the electrical installation...

  • Page 45: Electrical Installation

    Electrical installation What this chapter contains This chapter describes the electrical installation procedure of the drive. WARNING! The work described in this chapter may only be carried out by a qualified electrician. Follow the Safety instructions on the first pages of this manual. Ignoring the safety instructions can cause injury or death.
  • Page 46 Electrical installation...

  • Page 47: Checking The Insulation Of The Assembly

    Protective Earth conductor using a measuring voltage of 500 V DC. The insulation resistance of an ABB motor must exceed 10 Mohm (reference value at 25 °C or 77 °F). For the insulation resistance of other motors, please consult the manufacturer’s instructions.

  • Page 48: Connection To An It (Ungrounded) Power System

    Connection to an IT (ungrounded) power system WARNING! Before connecting the drive to an IT power system [an ungrounded power system or a high resistance-grounded (over 30 ohms) power system] or a corner-grounded power system, the internal EMC filtering of the drive must be disconnected.
  • Page 49 4. Remove the screw at the top of the cover assembly. 5. Disconnect the panel cable (if present). Electrical installation...
  • Page 50 6. Carefully pull the lower part of the base outwards by the two tabs. 7. Lift the cover assembly up. Electrical installation...
  • Page 51 8. Remove the option modules (if any) in options slots 1 and 3. 9. Release the two screws holding the JCU control unit. Electrical installation...
  • Page 52 10. Lift the left-hand edge of the JCU control unit until the connector beneath disengages, then move JCU to the left to remove it. 11. Disconnect the two cables coming to the mounting base of the JCU. Electrical installation...
  • Page 53 12. Remove the two screws holding the drive module cover. 13. First slide the cover a bit upwards, then lift off the cover. Electrical installation...
  • Page 54 14. Remove the two screws (marked X2 and X3) on top of the RRFC/RVAR circuit board. 15. Refit the module cover and fasten using the screws removed at step 12. 16. Reconnect the cables that were disconnected at step 11. 17.

  • Page 55: Frame Size E: Disconnection Of Internal Emc Filtering (Option +E202 Included)

    Frame size E: Disconnection of internal EMC filtering (option +E202 included) 1. Place the drive module on its back on a level surface. 2. Remove the cover assembly and JCU control unit and disconnect the two cables. Follow the same instructions as with frame size E0, steps 3.
  • Page 56 5. First slide the cover a bit upwards, then lift off the cover. 6. Undo the screw connecting the grounding wire to a standoff right next to the EMC filter. Cut off the lug. Discard the screw and the tubular insulator. EMC filter Standoff covered by insulator...
  • Page 57 7. Insulate the end of the grounding wire reliably with insulating tape, tube sleeving and a cable tie. Electrical installation...
  • Page 58 8. Near the top of the module, remove the grounding clip (held by two screws) that connects the varistor board to the module cover. Fasten the removed screws to mount the varistor board. 9. Refit the module cover (top edge first) and fasten using the screws removed at step 4.

  • Page 59: Power Cable Connection

    Power cable connection Power cable connection diagram ACS850-04 INPUT OUTPUT UDC+ V1 W1 V2 W2 (PE) (PE) Optional braking For alternatives, see resistor (360° Planning the electrical grounding required) Motor installation: Supply disconnecting device. Notes: – Do not use a non-shielded or asymmetrically-constructed motor cable. It is recommended to use a shielded cable also as an supply (input) cable.

  • Page 60: Procedure

    Procedure 1. Remove the plastic shroud covering the main terminals. Lift up with a screw driver from the corner. 2. Connect the twisted shields of the power cables and separate grounding conductors to the grounding terminals of the drive module. 3.

  • Page 61: Frame Size E: Cable Lug Installation (16 To 70 Mm [Awg6 To Awg2/0] Cables)

    Frame size E: Cable lug installation (16 to 70 mm [AWG6 to AWG2/0] cables) UDC+ R+ UDC- 30…44 N·m (22…32 lbf·ft) Insulate the ends of the cable lugs with tape or shrink tube 8 N·m (5.9 lbf·ft) Input power cable Motor cable Electrical installation...

  • Page 62: Frame Size E: Screw Terminal Installation (95 To 240 Mm 2 [Awg3/0 To 400Mcm] Cables)

    Frame size E: Screw terminal installation (95 to 240 mm [AWG3/0 to 400MCM] cables) UDC+ R+ UDC- a. Connect the cable to the terminal. Tighten the 8 N·m (5.9 lbf·ft) Allen screw to 20…40 N·m (15…30 lbf·ft). b. Connect the terminal to the drive. Tighten to 30…44 N·m (22…32 lbf·ft).

  • Page 63: Dc Connection

    DC connection The UDC+ and UDC– terminals are intended for common DC configurations of a number of ACS850 drives, allowing regenerative energy from one drive to be utilised by the other drives in motoring mode. One or more drives are connected to the AC supply depending on the power requirement.

  • Page 64: Installation Of Optional Modules

    Installation of optional modules Optional modules such as fieldbus adapters, I/O extensions and encoder interfaces ordered using option codes (see page 24) are pre-installed at the factory. Instructions for installing additional modules into the slots on the JCU Control Unit (see page for the available slots) are presented below.

  • Page 65: Connecting The Control Cables

    Connecting the control cables Control connections to the JCU Control Unit Notes: XPOW [Default setting with ACS850 standard +24VI External power input control program (Factory macro). See 24 V DC, 1.6 A Firmware Manual for other macros.] XRO1, XRO2, XRO3 *Total maximum current: 200 mA Relay output RO1 [Ready] The wiring shown is for demonstrative...

  • Page 66: Jumpers

    Jumpers DI/DIO grounding selector (located between XD24 and XDI) – Determines whether the DIGND (ground for digital inputs DI1…DI5) floats, or if it is connected to DIOGND (ground for DI6, DIO1 and DIO2). (See the JCU isolation and grounding diagram on page 86.) If DIGND floats, the common of digital inputs DI1…DI5 should be connected to XD24:2.

  • Page 67: Di6 (Xdi:6) As A Thermistor Input

    DI6 (XDI:6) as a thermistor input 1…3 PTC sensors can be connected to this input for motor temperature measurement. One sensor Three sensors XDI:6 XDI:6 Motor Motor XD24:1 XD24:1 3.3 nF 3.3 nF > 630 VAC > 630 VAC Notes: •...

  • Page 68: Drive-To-Drive Link (Xd2D)

    WARNING! As the inputs pictured above are not insulated according to IEC 60664, the connection of the motor temperature sensor requires double or reinforced insulation between motor live parts and the sensor. If the assembly does not fulfil the requirement, •...

  • Page 69: Grounding And Routing The Control Cables

    Grounding and routing the control cables The shields of all control cables connected to the JCU Control Unit must be grounded at the control cable clamp plate. Use four M4 screws to fasten the plate as shown below (two of the screws are also used to hold the cover mounting bracket). The plate can be fitted either at the top or bottom of the drive.

  • Page 70: Mounting The Clamp Plate

    Mounting the clamp plate 0.7 N·m (6.2 lbf·in) Electrical installation...

  • Page 71: Routing The Control Cables

    Routing the control cables Use shrink tubing or tape to contain strands Run cables through the cover mounting bracket Remove outer jacket of cable at clamp to expose cable shield. Tighten clamp to 1.5 N·m (13 lbf·in) Electrical installation...
  • Page 72 Electrical installation...

  • Page 73: Installation Checklist

    The internal C2 EMC filter (option + E202) is disconnected if the drive is connected to an IT (ungrounded) or corner-grounded supply network. The capacitors are reformed if stored over one year (ask local ABB representative for more information). The drive is grounded properly. 1) There is a proper PE connector, 2) PE connector is tightened properly, and 3) there is a proper galvanic connection between the drive frame and the cabinet (fastening points are unpainted).
  • Page 74 Check There are no tools, foreign objects or dust from drilling inside the drive. The supply (input power) voltage cannot be applied to the output of the drive through a bypass connection. Motor connection box and other covers are in place. Installation checklist...

  • Page 75: Maintenance

    Maintenance intervals The table below lists the routine maintenance intervals recommended by ABB. Consult a local ABB Service representative for more details. In the Internet, go to www.abb.com/drives, select Drive Services, and Maintenance and Field Services. Interval...

  • Page 76: Heatsink

    If the drive is operated in a critical part of a process, fan replacement is recommended once these symptoms start appearing. Replacement fans are available from ABB. Do not use other than ABB-specified spare parts.

  • Page 77: Fan Replacement (Frame E)

    Fan replacement (frame E) 1. Undo the fixing screw of the cooling fan holder. 2. Slide out the cable connector and disconnect it. 3. Remove the cooling fan holder and replace the fan onto the holder’s pins. Install the cooling fan holder in reverse order. Frame size E, bottom view Maintenance...

  • Page 78: Additional Cooling Fan Replacement (Frame E0)

    It is not possible to predict a capacitor failure. Capacitor failure is usually followed by a mains fuse failure or a fault trip. Contact ABB if capacitor failure is suspected. Replacements are available from ABB. Do not use other than ABB specified spare parts.

  • Page 79: Other Maintenance Actions

    Other maintenance actions Transferring the memory unit to a new drive module When a drive module is replaced, the parameter settings can be retained by transferring the memory unit from the defective drive module to the new module. WARNING! Do not remove or insert a memory unit when the drive module is powered.
  • Page 80 Maintenance...

  • Page 81: What This Chapter Contains

    Technical data What this chapter contains This chapter contains the technical specifications of the drive, e.g. the ratings, sizes and technical requirements, and provisions for fulfilling the requirements for CE and other markings. Ratings 400 V AC supply The nominal ratings for the drive with 400 V AC supply are given below. Input Output ratings ratings...

  • Page 82: Derating

    Note: To achieve the rated motor power given in the table, the rated current of the drive must be higher than or equal to the rated motor current. The DriveSize dimensioning tool available from ABB is recommended for selecting the drive, motor and gear combination.

  • Page 83: Dimensions, Weights, Noise

    Dimensions, weights, noise See also the chapter Dimension drawings. Height Width Depth Weight Noise Frame size mm (in.) mm (in.) mm (in.) kg (lbs) 602 (23.7”) 276 (10.9”) 376 (14.8”) 34 (75 lbs) 700 (27.6”) 312 (12.3”) 465 (18.3”) 67 (148 lbs) 00581898 Cooling characteristics Heat dissipation...

  • Page 84: Ac Input (Supply) Connection

    AC input (supply) connection Voltage (U 380 … 500 V AC +10%/-15%, 3-phase 50 … 60 Hz ± 5% Frequency Network type Grounded (TN, TT) or ungrounded (IT). Note: Connection to an ungrounded (IT) or corner-grounded delta network is not allowed at altitudes of 2000 m (6600 ft) or higher.
  • Page 85 Digital inputs DI1…DI6 Connector pitch 3.5 mm, wire size 1.5 mm (XDI:1 … XDI:6) 24 V logic levels: “0” < 5 V, “1” > 15 V : 2.0 kohm Input type: NPN/PNP (DI1…DI5), NPN (DI6) Filtering: 0.25 ms min DI6 (XDI:6) can alternatively be used as an input for 1…3 PTC thermistors. “0”...

  • Page 86: Efficiency

    Isolation and grounding XPOW diagram +24VI XRO1…XRO3 XD24 +24VD DIGND +24VD DIOGND DIIL XDIO DIO1 DIO2 +VREF -VREF AGND AI1+ Common mode voltage AI1- AI2+ between channels AI2- ± 20 V AO1+ AO1- AO2+ AO2- XD2D BGND XSTO OUT1 OUT2 Ground Efficiency Approximately 98% at nominal power level...

  • Page 87: Ambient Conditions

    Ambient conditions Environmental limits for the drive are given below. The drive is to be used in a heated, indoor, controlled environment. Operation Storage Transportation installed for stationary use in the protective package in the protective package Installation site altitude 0 to 4000 m (6600 ft) above sea level.

  • Page 88: Materials

    EU. They must be removed and handled according to local regulations. For further information on environmental aspects and more detailed recycling instructions, please contact your local ABB distributor. Applicable standards The drive complies with the following standards. The compliance with the European Low Voltage Directive is verified according to standards EN 50178 and EN 60204-1.

  • Page 89: Ce Marking

    CE marking A CE mark is attached to the drive to verify that the drive follows the provisions of the European Low Voltage and EMC Directives (Directive 73/23/EEC, as amended by 93/68/EEC, and Directive 89/336/ EEC, as amended by 2004/108EC). Compliance with the European Low Voltage Directive The compliance with the European Low Voltage Directive has been verified according to standards EN 50178, EN 61800-5-1 and EN 60204-1.

  • Page 90: Compliance With En 61800-3 (2004), Category C3

    The drive is intended to be incorporated into machinery to constitute machinery covered by Machinery Directive (98/37/EC) and does therefore not in every respect comply with the provisions of the directive. For more information, see the Declaration of Incorporation by ABB Drives (code 64652770). C-Tick marking Pending.

  • Page 91: Ul Marking

    UL marking See the type designation label for the valid markings of your drive. UL checklist Input power connection – See section AC input (supply) connection on page 84. Disconnecting device (Disconnecting means) – See section Supply disconnecting device on page Ambient conditions –...
  • Page 92 Technical data...

  • Page 93: Dimension Drawings

    Dimension drawings What this chapter contains Dimension drawings of the drive modules (frame sizes E0 and E) are shown below. Dimension drawings...

  • Page 94: Drive Module, Frame Size E0

    Drive module, frame size E0 Dimension drawings...

  • Page 95: Drive Module, Frame Size E

    Drive module, frame size E Dimension drawings...
  • Page 96 Dimension drawings...

  • Page 97: Resistor Braking

    2. Calculate the continuous power based on the braking duty cycle. 3. Calculate the braking energy during the duty cycle. Pre-selected resistors are available from ABB as shown in the table below. If the listed resistor is not sufficient for the application, a custom resistor can be selected within the limits imposed by the internal braking chopper of the drive.

  • Page 98: Chopper Data / Resistor Selection Table

    • The braking energy must not exceed the energy dissipation capacity of the selected resistor • It is highly recommended that the resistor be protected from thermal overload; see the section Contactor protection of drive below. Chopper data / Resistor selection table The ratings apply at an ambient temperature of 40 °C (104 °F).

  • Page 99: Resistor Installation And Wiring

    Resistor installation and wiring All resistors must be installed outside the drive module in a place where they are cooled sufficiently, do not block the airflow to other equipment, or dissipate hot air into the air inlets of other equipment. WARNING! The materials near the braking resistor must be non-flammable.

  • Page 100: Braking Circuit Commissioning

    Braking circuit commissioning For more information, see the appropriate Firmware Manual. • Enable the braking chopper function. Please note that a braking resistor must be connected when the chopper is enabled • Switch off the overvoltage control of the drive •...

  • Page 101: Du/Dt And Common Mode Filtering

    The stress on motor insulation can be avoided by using optional ABB du/dt filters. du/dt filters also reduce bearing currents. Common mode filtering mainly reduces bearing currents.

  • Page 102: Filter Types

    0.2 microsecond rise time) du/dt filters are optional accessories and to be ordered separately. For more information on common mode filtering, contact your local ABB representative. Contact the motor manufacturer for information on the motor construction. Filter types du/dt filters...

  • Page 103: Technical Data

    FOCH0260-70 382 (15.04) 340 (13.39) 254 (10.00) 47.0 (103.6) * Dimensions given are per phase Degree of protection IP00 Common mode filters Contact your local ABB representative. Installation Follow the instructions included with the filters. du/dt and common mode filtering...
  • Page 104 du/dt and common mode filtering...
  • Page 106 ABB Oy ABB Inc. ABB Beijing Drive Systems Co. Ltd. AC Drives Automation Technologies No. 1, Block D, A-10 Jiuxianqiao Beilu P.O. Box 184 Drives & Motors Chaoyang District FI-00381 HELSINKI 16250 West Glendale Drive Beijing, P.R. China, 100015 FINLAND...

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Acs850 series

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