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ABB ACS800 Hardware Manual

Manual is about: ACS800-07 (+V992) drives (500 to 2800 kW)

Summary of ACS800

  • Page 1

    Acs800 hardware manual acs800-pc drives (150 to 600 hp).

  • Page 2

    2 acs800 single drive manuals hardware manuals (appropriate manual is included in the delivery) acs800-04/u4 hardware manual 90 to 500 kw (125 to 600 hp) 3afe64671006 (english) • safety instructions • electrical installation planning • mechanical and electrical installation • motor control and i/o b...

  • Page 3: Hardware Manual

    Acs800-pc drives 150 to 600 hp hardware manual 3aua0000010601 rev. C effective: 10/16/2009 2009 abb inc. All rights reserved..

  • Page 5: Safety Instructions

    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 equipmen...

  • Page 6

    6 safety instructions installation andmaintenance work these warnings are intended for all who work on the drive, motor cable or motor. Ignoring the instructions can cause physical injury or death. Warning! • only qualified electricians are allowed to install and maintain the drive. • never work on ...

  • Page 7

    7 safety instructions warning! The printed circuit boards contain components sensitive to electrostatic discharge. Wear a grounding wrist band when handling the boards. Do not touch the boards unnecessarily. Warning! • cover the drive when installing to ensure that dust from drilling or foreign obje...

  • Page 8

    8 safety instructions grounding these instructions are intended for all who are responsible for the grounding of the drive. Incorrect grounding can cause physical injury, death or equipment malfunction and increase electromagnetic interference. Fiber optic cables warning! Handle the fibre optic cabl...

  • Page 9

    9 safety instructions operation these warnings are intended for all who plan the operation of the drive or operate the drive. Ignoring the instructions can cause physical injury or death or damage the equipment. Warning! • before adjusting the drive and putting it into service, make sure that the mo...

  • Page 10

    10 safety instructions permanent magnet motor these are additional warnings concerning permanent magnet motor drives. Warning! Do not work on the drive when the permanent magnet motor is rotating. Also, when the supply power is switched off and the inverter is stopped, a rotating permanent magnet mo...

  • Page 11: Table of Contents

    11 table of contents table of contents safety instructions what this chapter contains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 use of warnings and notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 installation and mainten...

  • Page 12

    12 table of contents thermal overload and short-circuit protection . . . . . . . . . . . . . . . . . . . . . . . . 34 ground fault protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 emergency stop devices . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Page 13

    13 table of contents fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 replacing the cabinet fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 layout of the drive module . . . . . . . . . . ....

  • Page 14: About This Manual

    14 about this manual about this manual what this chapter contains this chapter describes the intended audience and contents of the 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 o...

  • Page 15

    15 about this manual 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" introduces this manual. "the acs800-pc" describes the drive. "mechani...

  • Page 16

    16 about this manual installation and commissioning flowchart task see identify the frame size of your drive: r7 or r8. “technical data / nema ratings” plan the installation. Check the ambient conditions, ratings, required cooling air flow, input power connection, compatibility of the motor, motor c...

  • Page 17

    17 about this manual inquiries address any inquiries about the product to the local abb representative, quoting the type code and the serial number of the unit. If the local abb representative cannot be contacted, address inquiries to the manufacturing facility..

  • Page 18: The Acs800-Pc

    18 the acs800-pc the acs800-pc what this chapter contains this chapter describes the construction and operating principle of the drive in short. The acs800-pc the acs800-pc is a cabinet-installed drive for controlling ac motors. Control panel * emergency stop drive control unit rdcu (rmio) switch ha...

  • Page 19

    19 the acs800-pc 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. Acs800-pc- 0170-5). The optional selections are given thereafter, separated by + signs (e.G. +e202). The main selection...

  • Page 20

    20 the acs800-pc product ordering — special note the acs800-pc-0170-5 through -0440-5 are available with ul type 1 and ul type 12. The acs800-pc-0490-5 through -0610-5 are available with ul type 12. These units are always supplied with exhaust fan and are not available without the exhaust fan. Main ...

  • Page 21

    21 the acs800-pc diagram this diagram shows the control interfaces and the main circuit of the drive. Operation this table describes the operation of the main circuit in short. Component description six-pulse rectifier converts the three-phase ac voltage to dc voltage capacitor bank energy storage w...

  • Page 22

    22 the acs800-pc printed circuit boards the drive contains the following printed circuit boards as standard: • main circuit board (aint) • motor control and i/o board (rmio) with a fibre optic link to the aint board • input bridge control board (ainp) • input bridge protection board (aibp) which inc...

  • Page 23: Mechanical Installation

    23 mechanical installation mechanical installation what this chapter contains this chapter describes the mechanical installation procedure of the drive. Moving the unit move the transport package by truck and pallet truck to the installation site. Warning! The acs800-pc is to be handled and shipped ...

  • Page 24

    24 mechanical installation before installation check for external damage. If damage exists, immediately document, contact the shipper and contact abb. Delivery check the drive delivery contains: • drive cabinet including factory installed options such as optional modules (inserted onto the rmio boar...

  • Page 25

    25 mechanical installation cooling air flow provide the drive with the amount of clean cooling air given in "technical data" / "nema ratings". Enclosure ratings nema 1 (nema standard 7-15-1991) type 1 enclosures are intended for indoor use primarily to provided a degree of protection against limited...

  • Page 26

    26 mechanical installation fastening the cabinet to the floor and wall fasten the cabinet to the floor with the fastening holes inside the cabinet. When fastening at the back is not possible, fasten the cabinet at the top using l-brackets bolted to the holes of the lifting lugs (m12 bolt). The cabin...

  • Page 27

    27 mechanical installation fastening the cabinet through the holes inside the cabinet the cabinet can be fastened to the floor using the fastening holes inside the cabinet. The maximum allowed distance between the fastening points is 800 mm (31.50 in.). Fastening bolt: m12 (1/2" to 9/16") bottom vie...

  • Page 28

    28 mechanical installation electric welding it is not recommended to fasten the cabinet by welding. Cabinets without flat bars at the base if the preferred fastening methods (clamping or bolting through the holes inside the cabinet) cannot be used, proceed as follows: • connect the return conductor ...

  • Page 29

    29 planning the electrical installation planning the electrical installation what this chapter contains this chapter contains the instructions that you must follow when selecting the motor, cables, protections, cable routing and way of operation for the drive system. Always follow local regulations....

  • Page 30

    30 planning the electrical installation 4. Consult the motor manufacturer before using a motor in a drive system where the motor nominal voltage differs from the ac power source voltage. 5. Ensure that the motor insulation system withstands the maximum peak voltage in the motor terminals. See the "r...

  • Page 31

    31 planning the electrical installation requirements table the following table shows how to select the motor insulation system and when an optional abb du/dt filter, insulated n-end (non-driven end) motor bearings and abb common mode filters are required. The motor manufacturer should be consulted r...

  • Page 32

    32 planning the electrical installation * manufactured before 1.1.1998 ** for motors manufactured before 1.1.1998, check for additional instructions with the motor manufacturer. ***if the intermediate dc circuit voltage of the drive will be increased from the nominal level by resistor braking or by ...

  • Page 33

    33 planning the electrical installation note 6: resistor braking of the drive when the drive is in braking mode for a large part of its operation time, the intermediate circuit dc voltage of the drive increases, the effect being similar to increasing the supply voltage by up to 20 percent. The volta...

  • Page 34

    34 planning the electrical installation thermal overload and short-circuit protection the drive protects itself and the input and motor cables against thermal overload when the cables are dimensioned according to the nominal current of the drive. No additional thermal protection devices are needed. ...

  • Page 35

    35 planning the electrical installation emergency stop devices for safety reasons, install the emergency stop devices at each operator control station and at other operating stations where emergency stop may be needed. Note: pressing the stop key ( ) on the control panel of the drive does not genera...

  • Page 36

    36 planning the electrical installation prevention of unexpected start (acs800-07/u7 only) the drive can be equipped with an optional prevention of unexpected start function according to standards iec/en 60204-1: 1997; iso/dis 14118: 2000 and en 1037: 1996. The prevention of unexpected start functio...

  • Page 37

    37 planning the electrical installation selecting the power cables general rules dimension the mains (input power) and motor cables according to local regulations: • the cable must be able to carry the drive load current. See chapter technical data for the rated currents. • the cable must be rated f...

  • Page 38

    38 planning the electrical installation alternative power cable types power cable types that can be used with the drive are represented below. Motor cable shield to effectively suppress radiated and conducted radio-frequency emissions, the shield conductivity must be at least 1/10 of the phase condu...

  • Page 39

    39 planning the electrical installation additional us requirements type mc continuous corrugated aluminum armor cable with symmetrical grounds or shielded power cable must be used for the motor cables if metallic conduit is not used. For the north american market, 600 vac cable is accepted for up to...

  • Page 40

    40 planning the electrical installation equipment connected to the motor cable installation of safety switches, contactors, connection boxes, etc. To minimize the emission level when safety switches, contactors, connection boxes or similar equipment are installed in the motor cable (i.E. Between the...

  • Page 41

    41 planning the electrical installation 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 contacts on the rmio board are protected with varistors (250 v) agai...

  • Page 42

    42 planning the electrical installation selecting the control cables all control cables must be shielded. Use a double-shielded twisted pair cable (figure a, e.G. Jamak by nk cables, finland) for analogue signals. This type of cable is recommended for the pulse encoder signals also. Employ one indiv...

  • Page 43

    43 planning the electrical installation connection of a motor temperature sensor to the drive i/o warning! Iec 60664 requires double or reinforced insulation between live parts and the surface of accessible parts of electrical equipment which are either non- conductive or conductive but not connecte...

  • Page 44

    44 planning the electrical installation a diagram of the cable routing is shown below. Control cable ducts 90 ° min 500 mm (20 in.) motor cable input power cable control cables min 200 mm (8 in.) min 300 mm (12 in.) motor cable power cable drive 24 v 24 v 120 v lead 24 v and 230 v control cables in ...

  • Page 45: Electrical Installation

    45 electrical installation electrical installation what this chapter contains this chapter describes the electrical installation procedure of the drive. Warning! Only qualified electricians are allowed to carry out the work described in this chapter. Follow the "safety instructions" on the first pag...

  • Page 46

    46 electrical installation checking the insulation of the assembly every drive module has been tested for insulation between the main circuit and the chassis (2500 v rms 50 hz for 1 second) at the factory. Therefore, do not make any voltage tolerance or insulation resistance tests (e.G. Hi-pot or me...

  • Page 47

    47 electrical installation example wiring diagram the diagram below presents an example for the main wiring. Note that the diagram includes optional components (marked *) which are not always included in the delivery. *m ot or te m p er at u re s u p e rv is io n cdp31 2r c ont ro l p an el circuit ...

  • Page 48

    48 electrical installation power cable connection diagram input output u1 v1 w1 3 ~ motor l1 l2 l3 1) u2 v2 w2 r+ r - l1 l2 l3 (pe) (pe) pe 2) 5) drive pe grounding of the motor cable shield at the motor end for minimum radio frequency interference: ground the cable shield 360 degrees at the lead-th...

  • Page 49

    49 electrical installation connecting the power cables 1. Open the swing-out frame on the top left of the cabinet (if installed) 2. Plan cable access and mark conduit plate accordingly for input power (at front), output power (at rear), and control wires. 3. Remove the conduit plate from the drive c...

  • Page 50

    50 electrical installation connecting the control cables routing the cables run the cables to the inside of the cabinet through the conduit plate at the top of the cabinet. The control cables must be in separate conduit from the power cables. Use protective sleeve wherever the cables are against sha...

  • Page 51

    51 electrical installation connecting the cables to the i/o terminals connect the conductors to the appropriate detachable terminals of the rmio board or optional terminal x2 [refer to chapter "motor control and i/o board (rmio)"]. Tighten the screws to secure the connection. Single-shielded cable: ...

  • Page 52

    52 electrical installation installation of optional modules the optional module (such as a fieldbus adapter, an i/o extension module and the pulse encoder interface) is inserted in the optional module slot of the rmio board in the rdcu unit and fixed with two screws . See the appropriate optional mo...

  • Page 53

    53 electrical installation pulse encoder module cabling fibre optic link a ddcs fiber optic link is provided via the rdco optional module for pc tools, master/follower link, ndio, ntac, naio, aima i/o module adapter and fieldbus adapter modules of type nxxx. See rdco user’s manual [3afe64492209 (eng...

  • Page 54

    54 electrical installation layout drawing of factory installed optional equipment additional terminal blocks customer connection terminal blocks - for options x5 +f250+q951 - e-stop and line contactor control x6 +g313 - output for motor heater (supply and output) x7 +m600-m605 - starter for aux moto...

  • Page 55

    55 motor control and i/o board (rmio) motor control and i/o board (rmio) what this chapter contains this chapter shows • external control connections to the rmio board for the acs800 standard application program (factory macro) • specifications of the inputs and outputs of the board. To which produc...

  • Page 56

    56 motor control and i/o board (rmio) external control connections external control cable connections to the rmio board for the acs800 standard application program (factory macro us version) are shown below. For external control connections of other application macros and programs, see the appropria...

  • Page 57

    57 motor control and i/o board (rmio) rmio board specifications analog inputs with standard application program two programmable differential current inputs (0 ma / 4 ma … 20 ma, r in = 100 ohm) and one programmable differential voltage input (-10 v / 0 v / 2 v … +10 v, r in > 200 kohm). The analog ...

  • Page 58

    58 motor control and i/o board (rmio) digital inputs with standard application program six programmable digital inputs (common ground: 24 vdc, -15% to +20%) and a start interlock input. Group isolated, can be divided in two isolated groups (see "isolation and grounding diagram" below). Thermistor in...

  • Page 59

    59 motor control and i/o board (rmio) isolation and grounding diagram x20 1 vref- 2 agnd x21 1 vref+ 2 agnd 3 ai1+ 4 ai1- 5 ai2+ 6 ai2- 7 ai3+ 8 ai3- 9 ao1+ 10 ao1- 11 ao2+ 12 ao2- x22 1 di1 2 di2 3 di3 4 di4 9 dgnd1 5 di5 6 di6 7 +24vd 8 +24vd 11 diil 10 dgnd2 x23 1 +24 v 2 gnd x25 1 ro1 2 ro1 3 ro...

  • Page 60

    60 installation checklist and start-up installation checklist and start-up checklist check the mechanical and electrical installation of the drive before start-up. Go through the checklist below together with another person. Read the "safety instructions" on the first pages of this manual before you...

  • Page 61

    61 installation checklist and start-up start-up procedure action additional information safety only qualified electricians are allowed to start-up the drive. The safety instructions must be followed during the start-up procedure. See chapter "safety instructions". Checks with no voltage connected ch...

  • Page 62: Maintenance

    62 maintenance maintenance what this chapter contains this chapter contains preventive maintenance instructions. Safety warning! Read the "safety instructions" on the first pages of this manual before performing any maintenance on the equipment. Ignoring the safety instructions can cause injury or d...

  • Page 63

    63 maintenance checking and replacing the air filters check the inlet air filters at a minimal interval of every 3 months and replace as need depending on accumulated dust and the environment. Inlet filters should be changed at a minimum ever year as part of standard preventative maintenance. The in...

  • Page 64

    64 maintenance 3. Install the replacement filter. Be sure the tuck the filter into the grove around the entire filter frame. This is very important for proper installation. Note: when installing the filter media, the white side must face the outside of the cabinet and the colored side must face the ...

  • Page 65

    65 maintenance 5. Install the filter frame back to the cabinet door. Carefully align the mounting hooks to the slots in the cabinet door. The hooks should be pointing down. Press in at the center of the filter frame with your knee and gently press down with your hands at the top of the frame. The fi...

  • Page 66

    66 maintenance exhaust filter for ul type 12 for ul type 12 there is also a filter in the exhaust box at the top of the cabinet. Exhaust filters should be inspected every 6 months and replace as needed depending on accumulated dust and the environment. Exhaust filters should be changed at a minimum ...

  • Page 67

    67 maintenance 3. Install the replacement filter. Be sure the tuck the filter into the groove around the entire filter frame. This is very important for proper installation. Repeat this process for the other side. Note: when installing the filter media, the white side must face the outside of the ca...

  • Page 68

    68 maintenance 5. Install the filter frame back to the exhaust box on top of the cabinet. Carefully align the mounting hooks to the slots in the exhaust box. The hooks should be pointing down. Press down with your hands at the top of the filter frame. The filter frame will slide down approximately ¾...

  • Page 69

    69 maintenance replacing the cabinet fan 1. Remove the left and right filter frames of the exhaust fan box by lifting them upwards. 2. Disconnect the fan supply connector from the cabinet roof (top right inside the cabinet)..

  • Page 70

    70 maintenance 3. Loosen and remove the four fastening screws at the corners of the fan frame. The screw are through bolts with nuts on the inside of the cabinet. (do not drop the hardware into the drive). 4. Remove the fan and fan frame as one unit..

  • Page 71

    71 maintenance 5. Disconnect the fan wiring and capacitor from the fan frame. Then remove the four screws attaching the fan to the fan frame. Remove the old fan. 6. Install the new fan and capacitor with the replacement part for abb in the reverse order of the above. Ensure the fan is centered on th...

  • Page 72

    72 maintenance layout of the drive module the layout stickers of the drive module are shown below. The stickers show all possible components. Not all of them are present in each delivery. Components that need to be changed regularly are listed below: designation component y41 cooling fan c_ capacito...

  • Page 73

    73 maintenance replacing the drive module fan (r7) 1. Remove the front cover. 2. Disconnect the discharging resistor wire(s). 3. Remove the dc capacitor pack by undoing the red fixing screws and pulling the pack out. 4. Disconnect the fan supply wires (detachable connector). 5. Disconnect the fan ca...

  • Page 74

    74 maintenance replacing the drive module fan (r8) 1. Remove the front cover. 2. Disconnect the fan capacitor and power supply wires. 3. Undo the red fastening screws of the plastic side cover of the fan. Shift the cover to the right to free its right-hand edge and lift the cover off. 4. Undo the re...

  • Page 75

    75 maintenance capacitors the drive intermediate circuit employs several electrolytic capacitors. Their lifespan is at least 90 000 hours depending on the operating time of the drive, loading and ambient temperature. Capacitor life can be prolonged by lowering the ambient temperature. It is not poss...

  • Page 76

    76 maintenance replacing the capacitor pack 1. Remove the module from the cabinet as described in section "replacing the drive module". 2. Remove the front cover. Remove the profiled side plate. 3. Disconnect the discharging resistor wires. 4. Undo the red fastening screws. 5. Lift the capacitor pac...

  • Page 77

    77 maintenance replacing the drive module 1. Disconnect and lock out power according to local codes. 2. Open top right swing frame above module. 3. Disconnect and remove input fuses. Ensure no hardware is dropped in the module. 4. Disconnect ground cable at top - back - left of module. 5. Disconnect...

  • Page 78

    78 maintenance 8. Remove fiber optic cable from internal connection of drive. When removing the fiber optic cables, pull on the connector, not the cable. Carefully route through the grommets and be very careful not to kink or touch the ends of the fiber optic cables. Any contaminants on the fiber op...

  • Page 79

    79 maintenance 10. Remove the two mounting bolts at the back top of the module. Then remove the four mounting bolts at the front bottom of the module. If this is a frame r8 module, the cabinet framing set screw must be loosened so the retaining bar can be raised to clear the output bus bars. 11. Rem...

  • Page 80

    80 maintenance leds this table describes leds of the drive. Where led when the led is lit rmio board red drive in fault state green the power supply on the board is ok. Control panel mounting platform red drive in fault state green the main + 24 v power supply for the control panel and the rmio boar...

  • Page 81: Technical Data

    81 technical data technical data what this chapter contains this chapter contains the technical specifications of the drive, e.G. The ratings, sizes and technical requirements, markings, and warranty policy. Nema ratings the nema ratings for the acs800-pc with 60 hz supplies are given below. The sym...

  • Page 82

    82 technical data symbols note: the ratings apply at an ambient temperature of 40 °c (104 °f). At lower temperatures the ratings are higher. I max maximum output current. Available for 10 s at start, otherwise as long as allowed by drive temperature. Normal use (10% overload capability) i 2n continu...

  • Page 83

    83 technical data input cable fuses the drive is equipped for branch circuit protection per nec with standard t/l fuses listed below. The fuses restrict drive damage and prevent damage to adjoining equipment in case of a short-circuit inside the drive. Check that the operating time of the fuse is be...

  • Page 84

    84 technical data power connection terminals the following tables show maximum wire size and required tightening torque for incoming power, motor and grounding terminals 480 volt, terminals 480 volt base drive frame size power wiring data hp type code circuit breaker motor terminals ground lugs (+d1...

  • Page 85

    85 technical data dimensions and weights refer to dimensional drawings on page 93 and 94. Ul/csa markings the acs800-pc ul and cul listed. The drive is suitable for use on a circuit capable of delivering not more than 100 ka rms symmetrical amperes at the drive nominal voltage (480v maximum). The dr...

  • Page 86

    86 technical data sizing the current ratings are the same regardless of the supply voltage within one voltage range. 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. Note 1:the maximum allowed motor shaft pow...

  • Page 87

    87 technical data free space around the unit * measured from the base plate of the cabinet top space requirement for the door opening: frame size required free space around the unit for cooling front side above* in. In. In. R6 6 - 15 r7 6 - 15 r8 6 - 15 top clearance ul type 12 ul type 1 15 in. 12 i...

  • Page 88

    88 technical data input power connection voltage (l 1 ) 440/460/480/500 vac 3-phase± 10% for 500 vac units prospective short-circuit current the drive is suitable for use in a circuit capable of delivering not more than 100,000 symmetrical amperes (rms) at 480 v. Frequency 48 to 63 hz, maximum rate ...

  • Page 89

    89 technical data cooling method internal fan, flow direction from front to top filter material inlet (door) outlet (roof) ul type 12 3aua0000006723 (qty 1) 3aua0000006722 (qty 2) note: when installing the filter media, the white side must face the outside of the cabinet and the colored side must fa...

  • Page 90

    90 technical data materials cabinet hot-dip zinc coated 1.5 mm thick steel sheet (thickness of coating approximately 20 micrometers). Polyester thermosetting powder coating (thickness approximately 80 micrometers) on visible surfaces. Color ral 7035 light beige semigloss. Busbars tin-plated copper p...

  • Page 91

    91 technical data ce marking a ce mark is attached to the drive inverter module and indicates that unit 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 93/68/eec). The acs800-pc drive with cir...

  • Page 92

    92 technical data equipment warranty and liability the manufacturer warrants the equipment supplied against defects in design, materials and workmanship for a period of twelve (12) months after installation or twenty-four (24) months from date of manufacturing, whichever first occurs. The local abb ...

  • Page 93: Dimensional Drawings

    93 dimensional drawings dimensional drawings ul type 1 dimensional drawing -0170-5 through -0440-5 ul type 1 example dimensional drawings with dimensions in millimeters and [inches]. Frame height width depth weight r7 85.9 in 31.7 in 25.9 in 695 lb r8 85.9 in 31.7 in 25.9 in 945 lb.

  • Page 94

    94 dimensional drawings ul type 12 dimensional drawing -0170-5 through -0610-5 ul type 12 note: -0490-5 through -0610-5 are only available in ul type 12 enclosure example dimensional drawings with dimensions in millimeters and [inches]. Frame height width depth weight r7 93.6 in 31.7 in 25.9 in 740 ...

  • Page 95: Resistor Braking

    95 resistor braking resistor braking what this chapter contains this chapter describes how to select, protect and wire brake choppers and resistors. The chapter also contains the technical data. To which products this chapter applies this chapter applies to the acs800-01/u1 (frame sizes r2 to r6), a...

  • Page 96

    96 resistor braking • the resistance does not restrict the braking capacity needed, i.E., where • the heat dissipation capacity (e r ) is sufficient for the application (see step 3 above). Optional brake chopper and resistor(s) for the acs800-u2, acs800-u4, acs800-pc and acs800-07/u7 the nominal rat...

  • Page 97

    97 resistor braking protection of frame sizes r7 and r8 (acs800-u2, acs800-u4, acs800-pc, acs800-u7/07) a main contactor is not required for protecting against resistor overheating when the resistor is dimensioned according to the instructions and the internal brake chopper is in use. The drive will...

  • Page 98

    98 resistor braking with standard application program, wire the thermal switch as shown below. By default, the drive will stop by coasting when the switch opens. For other application programs, the thermal switch may be wired to a different digital input. Programming of the input to trip the drive b...

  • Page 99

    99 resistor braking.

  • Page 101

    Abb oy ac drives p.O. Box 184 fin-00381 helsinki finland telephone +358 10 22 11 telefax +358 10 22 22681 internet http://www.Abb.Com abb inc. Drives and power electronics 16250 west glendale drive new berlin, wi 53151 usa telephone 262 785-3200 800 243-4384 telefax 262 780-5135 3aua0 000010 601 rev...