Related Manuals for Rockwell Automation Allen-Bradley 160-AA02
Summary of Contents for Rockwell Automation Allen-Bradley 160-AA02
- Page 1 Wiring and Grounding Guidelines for Pulse Width Modulated (PWM) AC Drives Installation Instructions...
- Page 2 In no event will Rockwell Automation, Inc. be responsible or liable for indirect or consequential damages resulting from the use or application of this equipment.
- Page 3 Summary of Changes The information below summarizes the changes to the Wiring and Grounding Guidelines for Pulse Width Modulated AC Drives, publication DRIVES-IN001, since the last release. Manual Updates Change Page Revised guidelines for AC line impedance. Revised guidelines for multi-drive protection 2-15 Revised guidelines for MOVs and common mode 2-17...
- Page 4 Summary of Changes Notes:...
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Page 5: Table Of Contents
Table of Contents Important User Information ..........1-2 Summary of Changes Preface... - Page 6 Chapter 6 Electromagnetic Interference What Causes Common Mode Noise ......... 6-1 Containing Common Mode Noise With Cabling.
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Page 7: Preface
Preface Overview The purpose of this manual is to provide you with the basic information needed to properly wire and ground Pulse Width Modulated (PWM) AC drives. Who Should Use This This manual is intended for qualified personnel who plan and design installations of Pulse Width Modulated (PWM) AC drives. -
Page 8: Manual Conventions
Overview Title Publication Available… Application Guide for AC NEMA Adjustable Speed Drive Systems www.nema.org IEC 60364-5-52 Selection & Erection of Electrical Equipment - www.iec.ch Wiring systems Don’t Ignore the Cost of Power 1321-2.0 www.rockwellautomation.com/ Line Disturbance liiterature Manual Conventions The following words are used throughout the manual to describe an action: Word Meaning Possible, able to do something... -
Page 9: Chapter 1 Wire/Cable Types
Chapter Wire/Cable Types AC drive installations have specific requirements for cables. Wire or cable selection for a drive application must consider a variety of criteria. The following section covers the major issues and proper selection of cable. Recommendations are made to address these issues. Cable materials and construction must consider the following: •... -
Page 10: General
Wire/Cable Types General Material Use Copper wire only. The wire clamp type terminals in Allen-Bradley drives are made for use with copper wire only. If you use aluminum wire the connections may loosen. Wire gauge requirements and recommendations are based on 75 degrees C. Do not reduce wire gauge when using higher temperature wire. - Page 11 Wire/Cable Types Temperature Rating In general, installations in surrounding air temperature of 50ºC should use 90ºC wire (required for UL) and installations in 40ºC surrounding air temperature should use 75ºC wire (also required for UL). Refer to the drive user manual for other restrictions The temperature rating of the wire affects the required gauge.
- Page 12 Wire/Cable Types Figure 1.3 Cable with Three Ground Conductors Three Ground Conductors Insulation Thickness and Concentricity Selected wire must have an insulation thickness of equal to or more then 15 mils (0.4 mm / 0.015 in.). The quality of wire should not have significant variations on concentricity of wire and insulation.
- Page 13 Wire/Cable Types Table 1.A Recommended Cable Design Type Max. Wire Size Where Used Rating/Type Description Type 1 2 AWG Standard Installations 600V, 90 C (194 Four tinned copper conductors with XLPE insulation 100 hp or less XHHW2/RHW-2 Type 2 2 AWG Standard Installations 600V, 90 C (194...
- Page 14 Wire/Cable Types Type 3 Installation Type 3 installation requires 3 symmetrical ground conductors whose ampacity equals the phase conductor. Refer to Table 1.A on page 1-5 detailed information and specifications on this installation. Figure 1.6 Type 3 Unshielded Multi-Conductor Cable PVC Outer Sheath Filler...
- Page 15 Wire/Cable Types Type 1 Installation A good example of acceptable shielded cable for Type 1 installation is ® Belden 295xx (xx determines gauge) or Anixter B209500-B209507. These cables have 4 XLPE insulated conductors with a 100% coverage foil and an 85% coverage copper braided shield (with drain wire) surrounded by a PVC jacket.
- Page 16 Wire/Cable Types Type 3 Installation These cables have 3 XLPE insulated copper conductors, 25% minimal overlap with helical copper tape and three (3) bare copper grounds in PVC jacket. TIP: Other types of shielded cable are available, but the selection of these types may limit the allowable cable length.
- Page 17 Wire/Cable Types Figure 1.9 Armored Cable with Three Ground Conductors Armor Optional PVC Outer Sheath Conductors with XLPE Insulation Optional Foil / Copper Tape and / or inner PVC Jacket A good example of acceptable cable for Type 5 installation is Anixter 7V-5003-3G, which has three (3) XLPE insulated copper conductors, 25% minimal overlap with the helical copper tape and three (3) bare copper grounds in PVC jacket.
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Page 18: Input Power Cables
For AC variable frequency drive applications that must satisfy EMC standards for CE, C-Tick, FCC or other, Rockwell Automation may recommend that the same type of shielded cable specified for the AC motors be used between the drive and transformer. Check the individual user manuals or system schematic note sheets for specific additional requirements in these situations. -
Page 19: Cable For Discrete Drive I/O
Wire/Cable Types 1-11 Figure 1.11 Motor Cable Length All examples represent motor cable length of 182.9 meters (600 feet) 15.2 (50) 91.4 (300) 91.4 (300) 167.6 (550) 152.4 (500) 182.9 (600) 15.2 (50) 15.2 (50) Important: For multi motor applications review the installation carefully. Consult your distributor drive specialist or Rockwell Automation directly, when considering a multi motor application with greater than two motors. -
Page 20: Analog Signal And Encoder Cable
1-12 Wire/Cable Types Analog Signal and Encoder Always use shielded cable with copper wire. Wire with insulation rating of 300V or greater is recommended. Analog signal wires should be separated Cable from power wires by at least 0.3 meters (1 foot). It is recommended that encoder cables be run in a separate conduit. - Page 21 Wire/Cable Types 1-13 Round cable contains five wires: one twisted pair (red and black) for 24V DC power, one twisted pair (blue and white) for signal and a drain wire (bare). Flat cable contains four wires: one pair (red and black) for 24V DC power and one pair (blue and white) for signal.
- Page 22 1-14 Wire/Cable Types standard and are appropriate for the environment. Cables should also meet TIA/EIA standards at industrial temperatures. Shielded cable is always recommended when the installation may include welding, electrostatic processes, drives over 10 hp, Motor Control Centers, high power RF radiation or devices carrying current in excess of 100 Amps. Shield handling and single point grounding, also discussed in this document, play an extremely important role in the proper operation of Ethernet installations.
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Page 23: Chapter 2 Power Distribution
(see Chapter 3 Chapter Rockwell Automation strongly recommends the use of grounded neutral systems for the following reasons: – Controlled path for common mode noise current – Consistent line to ground voltage reference, which minimizes insulation stress –... - Page 24 Power Distribution Delta / Delta with Grounded Leg or Four-Wire Connected Secondary Delta Delta / Delta with Grounded Leg or Four-Wire Connected Secondary Delta is a common configuration providing voltage re-balancing with no phase shift between input and output. The grounded center tap provides a direct path for common mode current caused by the drive output.
- Page 25 Power Distribution Ungrounded Secondary Grounding the transformer secondary is essential to the safety of personnel and safe operation of the drive. Leaving the secondary floating allows dangerously high voltages between the chassis of the drive and the internal power structure components. Exceeding the voltage rating of the drive’s input MOV (Metal Oxide Varistor) protection devices could cause a catastrophic failure.
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Page 26: Ac Line Voltage
Power Distribution TN-S Five-Wire System PEN or N TN-S five-wire distribution systems are common throughout Europe, with the exception of the United Kingdom and Germany. Leg to leg voltage (commonly at 400V) powers three-phase loads. Leg to neutral voltage (commonly at 230V) powers single-phase loads. Neutral is a current conducting wire, and connects through a circuit breaker. -
Page 27: Ac Line Impedance
Power Distribution AC Line Impedance To prevent excess current that may damage drives during events such as line disturbances or certain types of ground faults, drives should have a minimum amount of impedance in front of them. In many installations, this impedance comes from the supply transformer and the supply cables. - Page 28 Power Distribution Transformer Impedance (in ohms) line line – ---------------------------------------- ⋅ % Impedance xfmr ⋅ xfmr rated – line line – ---------------------------------------- ⋅ % Impedance xfmr % Impedance is the nameplate impedance of the transformer Typical values range from 0.03 (3%) to 0.06 (6%) Transformer Impedance (in ohms) line line –...
- Page 29 Power Distribution Note: Grouping multiple drives on one reactor is acceptable; however, the reactor percent impedance must be large enough when evaluated for each drive separately, not evaluated for all loads connected at once. These recommendations are merely advisory and may not address all situations.
- Page 30 Power Distribution Table 2.C AC Line Impedance Recommendations for PowerFlex 4 Drives 3% Line Max Supply Reactor Open Reactor Reactor Current Drive Catalog # Volts kW (hp) Style 1321- Inductance (mh) Rating (Amps) PowerFlex 4 22AB1P5 0.2 (0.25) 3R2-A 22AB2P3 0.4 (0.5) 3R4-B 22AB4P5...
- Page 31 Power Distribution Table 2.E AC Line Impedance Recommendations for PowerFlex 400 Drives 3% Line Reactor Current Max Supply Reactor Open Reactor Rating Drive Catalog # Volts kW (hp) Style 1321- Inductance (mh) (Amps) PowerFlex 400 22CB012 2.2 (3.0) 3R12-A 22CB017 3.7 (5.0) 3R18-A 22CB024...
- Page 32 2-10 Power Distribution 3% Line Reactor Current Max Supply Reactor Open Reactor Rating Drive Catalog # Volts kW (hp) Style 1321- Inductance (mh) (Amps) PowerFlex 70 20AC1P3 0.37 (0.5) 3R2-B 20AC2P1 0.75 (1) 3R2-B 20AC3P4 1.5 (2) 3R4-B 20AC5P0 2.2 (3) 3R4-B 20AC8P0 4.0 (5)
- Page 33 Power Distribution 2-11 Table 2.G AC Line Impedance Recommendations for PowerFlex 700/700S Drives 3% Line Max Supply Reactor Open Reactor Reactor Current Drive Catalog # Volts kW (hp) Style 1321- Inductance (mh) Rating (Amps) PowerFlex 20BB2P2 0.37 (0.5) 3R2-D 700/700S 20BB4P2 0.75 (1) 3R4-A...
- Page 34 2-12 Power Distribution 3% Line Max Supply Reactor Open Reactor Reactor Current Drive Catalog # Volts kW (hp) Style 1321- Inductance (mh) Rating (Amps) PowerFlex 20BD1P1 0.37 (0.5) 3R2-B 700/700S 20BD2P1 0.75 (1) 3R2-B Note: For 20BD3P4 1.5 (2) 3R4-B PowerFlex 20BD5P0 2.2 (3)
- Page 35 Power Distribution 2-13 Table 2.H AC Line Impedance Recommendations for Bulletin 1336 Drives 3% Line Reactor Current Max Supply Reactor Open Reactor Rating (2) (3) Drive Catalog # Volts kW (hp) Style 1321- Inductance (mh) (Amps) 1336 Family- AQF05 0.37 (0.5) 3R4-A Plus AQF07...
- Page 36 2-14 Power Distribution 3% Line Reactor Current Max Supply Reactor Open Reactor Rating (2) (3) Drive Catalog # Volts kW (hp) Style 1321- Inductance (mh) (Amps) 1336 Family- B700 (700) 5000 3R850-B 0.027 Plus B800 (800) 5000 3R1000-B 0.022 1000 Plus II BP/BPR250 187 (250)
- Page 37 Power Distribution 2-15 Multi-Drive Protection Multiple drives on a common power line should each have their own line reactor. Individual line reactors provide filtering between each drive to provide optimum surge protection for each drive. However, if it is necessary to group more than one drive on a single AC line reactor, use the following process to verify that the AC line reactor provides a minimum amount of impedance: 1.
- Page 38 2-16 Power Distribution Example: There are 5 drives, each is rated 1 HP, 480V, 2.7 amps. These drives do not have internal inductors. Total current = 5 * 2.7 amps = 13.5 amps 125% * Total current = 125% * 13.5 amps = 16.9 amps From publication 1321-2.0, we selected the reactor 1321-3R12-C, which has a maximum continuous current rating of 18 amps and an inductance of 4.2 mh (0.0042 henries).
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Page 39: Surge Protection Movs And Common Mode Capacitors
Power Distribution 2-17 Surge Protection MOVs and When installing a drive on an ungrounded or high-resistance ground distribution system, disconnect the phase-to-ground MOV circuit and the Common Mode Capacitors common mode capacitors from ground. Note: In some drives, a single jumper connects both the phase-to-ground MOV and the common mode capacitors to ground. - Page 40 2-18 Power Distribution Notes:...
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Page 41: Chapter 3 Grounding
Chapter Grounding This chapter discusses various grounding schemes for safety and noise reduction. An effectively grounded scheme or product is one that is “intentionally connected to earth through a ground connection or connections of sufficiently low impedance and having sufficient current-carrying capacity to prevent the buildup of voltages which may result in undue hazard to connected equipment or to persons”... - Page 42 Grounding Grounding PE or Ground The drive safety ground - PE must be connected to scheme or earth ground. This is the safety ground for the drive that is required by code. This point must be connected to adjacent building steel (girder, joist), a floor ground rod, bus bar or building ground grid.
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Page 43: Noise Related Grounds
Grounding Figure 3.1 Cabinet Grounding with a TN-S Five-Wire System Input Transformer System Cabinet AC Drive PEN or N PE PE Single- -Phase Device Cabinet Ground Bus Noise Related Grounds It is important to take care when installing PWM AC drives because output can produce high frequency common mode (coupled from output to ground) noise currents. - Page 44 Grounding The grounding scheme can greatly affect the amount of noise and its impact on sensitive equipment. The power scheme is likely to be one of three types: • Ungrounded Scheme • Scheme with High Resistance Ground • Fully Grounded Scheme An ungrounded scheme, as shown in Figure 3.2, does not provide a direct...
- Page 45 Grounding Figure 3.4 Fully Grounded Scheme Earth Ground Potential The installation and grounding practices to reduce common mode noise issues can be categorized into three ratings. The scheme used must weigh additional costs against the operating integrity of all scheme components. If no sensitive equipment is present and noise is not be an issue, the added cost of shielded cable and other components may not be justified.
- Page 46 Grounding Effective Grounding Practices This scheme replaces the conduit with shielded or armored cable that has a PVC exterior jacket. This PVC jacket prevents accidental contact with building steel and reduces the possibility that noise will enter the ground grid. Shielded or MOTOR FRAME Armored Cable...
- Page 47 Grounding Cable Shields Motor and Input Cables Shields of motor and input cables must be bonded at both ends to provide a continuous path for common mode noise current. Control and Signal Cables Shields of control cables should be connected at one end only. The other end should be cut back and insulated.
- Page 48 Grounding Notes:...
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Page 49: Chapter 4 Practices
Chapter Practices This chapter discusses various installation practices. Mounting Standard Installations There are many criteria in determining the appropriate enclosure. Some of these include: • Environment • EMC Compatibility/Compliance • Available Space • Access/Wiring • Safety Guidelines Grounding to the Component Mounting Panel In the example below, the drive chassis ground plane is extended to the mounting panel. - Page 50 Practices should be made of zinc-plated mild steel. If painted, remove the paint at each mounting and grounding point. Zinc-plated steel is strongly recommended due to its inherent ability to bond with the drive chassis and resist corrosion. The disadvantage with painted panels, apart from the cost in labor to remove the paint, is the difficulty in making quality control checks to verify if the paint has been properly removed, and any future corrosion of the unprotected mild steel may...
- Page 51 Practices Hardware You can mount the drive and/or mounting panel with either bolts or welded studs. Figure 4.2 Stud Mounting of Ground Bus or Chassis to Back Panel Mounting Bracket Welded Stud Back Panel or Ground Bus Flat Washer Paint Free Area Flat Washer If mounting bracket is coated with a non-conductive material (anodized,...
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Page 52: Conduit Entry
Practices Figure 4.3 Bolt Mounting of Ground Bus or Chassis to Back Panel Back Panel Star Washer Bolt Mounting Bracket or Ground Bus Flat Washer Flat Washer Star Washer Paint Free Area Star Washer If mounting bracket is coated with a non-conductive material (anodized, painted, etc.), scrape the material off around the mounting hole. - Page 53 Practices Cable Connectors / Glands Choose cable connectors or glands that offer the best cable protection, shield termination and ground contact. Refer to Shield Termination on page 4-15 for more information. Shield terminating connectors The cable connector selected must provide good 360 contact and low transfer impedance from the shield or armor of the cable to the conduit entry plate at both the motor and the drive or drive cabinet for electrical bonding.
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Page 54: Ground Connections
Practices Figure 4.5 Terminating the Shield with a Pigtail Lead Exposed shield U (T1) V (T2) W (T3) Flying lead soldered to braid Important: This is an acceptable industry practice for most installations. to minimize stray common mode currents Pigtail termination is the least effective method of noise containment. It is not recommended if: •... - Page 55 Practices Figure 4.6 Connections to Ground Bus Ground Bus Component Tapped Hole Grounding Conductors Ground Lug Bolt Component Grounding Star Washer Conductor Figure 4.7 Ground Connections to Enclosure Wall Welded Stud Ground Lug Paint Free Bolt Star Washer Area Ground Lug Star Washer Star Washer Component...
- Page 56 Practices Do not lay one ground lug directly on top of the other. This type of connection can become loose due to compression of the metal lugs. Sandwich the first lug between a star washer and a nut with another star washer following.
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Page 57: Wire Routing
Practices Wire Routing General When routing wiring to a drive, separate high voltage power and motor leads from I/O and signal leads. To maintain separate routes, route these in separate conduit or use tray dividers. Table 4.A Cable and Wiring Recommendations Minimum Spacing (in inches) between Levels in Steel Conduits (Cable Trays) Wiring... - Page 58 4-10 Practices Spacing Notes: 1. Both outgoing and return current carrying conductors are pulled in the same conduit or laid adjacent in tray. 2. The following cable levels can be grouped together: A.Level 1: Equal to or above 601V. B.Levels 2, 3, & 4 may have respective circuits pulled in the same conduit or layered in the same tray.
- Page 59 Practices 4-11 Figure 4.9 Separating Susceptible Circuits PWM Drives Programmable Logic Controller and Other Control Circuits Drive Power Sensitive Wiring Equipment Drive Control and Communications Wiring Power Distribution Terminals Ground Bus Common mode noise current returning on the output conduit, shielding or armor can flow into the cabinet bond and most likely exit through the adjacent input conduit/armor bond near the cabinet top, well away from sensitive equipment (such as the PLC).
- Page 60 4-12 Practices Figure 4.10 Proper Cabinet Ground - Drives & Susceptible Equipment Output Conduit or Armor (Bonded to Cabinet) U V W PE U V W PE R S T PE Common Mode Common Mode Current on Current on Armor Cabinet Backplane / Subpanel or Conduit Incoming Power...
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Page 61: Conduit
Practices 4-13 together further reduces the antenna effects. Refer to Avoiding Loops in Wiring on page 4-13. Figure 4.11 Avoiding Loops in Wiring Not Recommended Good Solution Better Solution Conduit Magnetic steel conduit is preferred. This type of conduit provides the best magnetic shielding. -
Page 62: Cable Trays
4-14 Practices Cable Trays When laying cable in cable trays, do not randomly distribute them. Power cables for each drive should be bundled together and anchored to the tray. A minimum separation of one cable width should be maintained between bundles to reduce overheating and cross-coupling. -
Page 63: Shield Termination
Practices 4-15 Shield Termination Refer to Shield Splicing on page 3-7 to splice shielded cables. The following methods are acceptable if the shield connection to the ground is not accomplished by the gland or connector. Refer to the table associated with each type of clamp for advantages and disadvantages. - Page 64 4-16 Practices Figure 4.14 Plain Copper Saddle Clamp Shield Termination via Pigtail (Lead) If a shield terminating connector is not available, the ground conductors and/or shields must be terminated to the appropriate ground terminal. If necessary, use a compression fitting on the ground conductor(s) or shield together as they leave the cable fitting.
- Page 65 Practices 4-17 Shield Termination via Cable Clamp Standard Cable Grounding Cable glands are a simple and effective method for terminating shields while offering excellent strain relief. They are only applicable when entry is through a cabinet surface or bulkhead. The cable connector selected must provide good 360 contact and low transfer impedance from the shield or armor of the cable to the conduit entry plate at both the motor and the drive or drive cabinet for electrical bonding.
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Page 66: Conductor Termination
4-18 Practices Conductor Termination Terminate power, motor and control connections to the drive terminal blocks. User manuals list minimum and maximum wire gauges, tightening torque for terminals and recommended lug types if stud connections are provided. Use a connector with 3 ground bushings when using a cable with 3 ground conductors. - Page 67 Practices 4-19 reason, certain industries where water is prevalent in the environment have refrained from using THHN wire with IGBT drives. Belden 29500 style cable is a PVC jacketed, shielded type TC with XLPE conductor insulation designed to meet NEC code designation XHHW-2 (use in wet locations per the U.S.
- Page 68 4-20 Practices Notes:...
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Page 69: Chapter 5 Reflected Wave
This ozone attacks the PVC insulation and produces carbon tracking, leading to the possibility of insulation breakdown. Based on field and internal testing, Rockwell Automation/Allen-Bradley has determined conductors manufactured with Poly-Vinyl Chloride (PVC) wire insulation are subject to a variety of manufacturing inconsistencies which can lead to premature insulation degradation when used with IGBT drives. -
Page 70: Length Restrictions For Motor Protection
THHN was found to be less than ½ of the same wire when “dry.” For this reason, certain industries where water is prevalent in the environment have refrained from using THHN wire with IGBT drives. Rockwell Automation strongly suggests the use of XLPE insulation for wet areas. -
Page 71: Chapter 6 Electromagnetic Interference
Chapter Electromagnetic Interference This chapter discusses types of electromagnetic interference and its impact on drive systems. What Causes Common Faster output dv/dt transitions of IGBT drives increase the possibility for increased Common Mode (CM) electrical noise. Common Mode Noise is a Mode Noise type of electrical noise induced on signals with respect to ground. -
Page 72: Containing Common Mode Noise With Cabling
Electromagnetic Interference may cause problems with computer systems and distributed control systems. Containing Common Mode Cable type has a great effect on the ability to contain common mode noise in a system that incorporates a drive. Noise With Cabling Conduit The combination of a ground conductor and conduit contains most capacitive current and returns it to the drive without polluting the ground grid. -
Page 73: How Electromechanical Switches Cause Transient Interference
Electromagnetic Interference As a general rule: IF the distance between the drive and motor or the distance between drive and input transformer is greater than 75 feet. IF sensitive circuits with leads greater then 75 feet such as: encoders, analog, or capacitive sensors are routed, in or out of the cabinet, near the drive or transformer THEN Common mode chokes should be installed. -
Page 74: How To Prevent Or Mitigate Transient Interference From Electromechanical Switches
Electromagnetic Interference How to Prevent or Mitigate The most effective way to avoid this type of transient interference, is to use a device like an Allen-Bradley Bulletin 156 contactor to switch inductive Transient Interference from AC loads. These devices feature “zero cross” switching. Electromechanical Switches Bulletin 156 Contactor... - Page 75 Electromagnetic Interference A common method for mitigating transient interference is to put a diode in parallel with an inductive DC load or a suppressor in parallel with an inductive AC load. Again, make sure to select components rated to withstand the voltage, power and frequency of switching for your application.
- Page 76 Electromagnetic Interference Examples of Transient Interference Mitigation Example 2: An ac output controls a motor starter, contacts on the starter control a digital ac output motor. suppressor The contacts require RC networks or solid-state Varistors. switch suppressor The motor requires suppressors because it is an inductive device.
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Page 77: Enclosure Lighting
Electromagnetic Interference Enclosure Lighting Fluorescent lamps are also sources of EMI. If you must use fluorescent lamps inside an enclosure, the following precautions may help guard against EMI problems from this source as shown in the figure below: • install a shielding grid over the lamp •... - Page 78 Electromagnetic Interference Notes:...
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Page 79: Appendix A Motor Cable Length Restrictions Tables
Appendix Motor Cable Length Restrictions Tables The distances listed in each table are valid only for specific cable constructions and may not be accurate for lesser cable designs, particularly if the length restriction is due to cable charging current (indicated in tables by shading). - Page 80 Motor Cable Length Restrictions Tables TIP: To increase the distance between the drive and the motor, some device (RWR or Terminator) needs to be added to the system ➊ Table A.A ers (feet) 1336 PLUS II/IMPACT Drive, 380-480V in met Reactor at ➋...
- Page 81 Motor Cable Length Restrictions Tables ➍ Table A.B ers (feet) 1336 PLUS II/IMPACT Drive, 600V in met ➋ No External Devices w/1204-TFB2 Terminator w/1204-TFA1 Terminator Reactor at Drive Motor Motor Motor Motor 1329R/L 1329R/L 1329R/L 1329R/L ➎ ➎ ➎ ➎ Drive Drive kW Motor kW...
- Page 82 Motor Cable Length Restrictions Tables Table A.C 1305 Drive, 480V in meters (feet) - No External Devices at Motor Drive Motor (480V) Using a Motor with Insulation V (480V) (480V) Type A Type B 1329R/L Shielded Unshielded ➋ Any Cable Any Cable Cable Cable...
- Page 83 Motor Cable Length Restrictions Tables Table A.D 1305 Drive, 480V in meters (feet) - Devices at Motor With 1204-TFB2 ➊ Reactor at the Drive Terminator With 1204-TFA1 Terminator Using a Motor with Using a Motor with Insulation V Insulation V Using a Motor with Insulation V Type A Type B or 1329R/L...
- Page 84 Motor Cable Length Restrictions Tables Table A.E 160 Drive, 480V 380-460V Motor Motor Cable Only RWR at Drive Reactor at Motor ➊ ➊ ➊ Ratings Insulation Rat- Shielded Unshielded Shielded Unshielded Shielded Unshielded Volts meters feet meters feet meters feet meters feet meters...
- Page 85 Motor Cable Length Restrictions Tables 160 Drive, 240 & 480V - Cable Charging Current 480V Motor Cable Only RWR at Drive Reactor at Motor Ratings Shielded ➊ ➋ Shielded ➊ ➋ Shielded ➊ ➋ Unshielded Unshielded Unshielded meters feet meters feet meters feet...
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Page 86: Powerflex 4 And 40 Drives
Motor Cable Length Restrictions Tables PowerFlex 4 and 40 Drives The drive should be installed as close to the motor as possible. Installations with long motor cables may require the addition of external devices to limit voltage reflections at the motor (reflected wave phenomena). See Table A.F for recommendations. - Page 87 Motor Cable Length Restrictions Tables ➊ Table A.H PowerFlex 70 and 700 Drives, 480V - No External Devices 480V Type A Type B 1488V Motor 1329 R / L ➌ ➋ ➌ ➋ ➌ ➋ ➌ ➋ drive/motor Carrier frequency Shld Shld Unshld Shld...
- Page 88 A-10 Motor Cable Length Restrictions Tables ➊ Table A.H PowerFlex 70 and 700 Drives, 480V - No External Devices 480V Type A Type B 1488V Motor 1329 R / L ➌ ➋ ➌ ➋ ➌ ➋ ➌ ➋ drive/motor Carrier frequency Shld Shld Unshld Shld...
- Page 89 Motor Cable Length Restrictions Tables A-11 Table A.I PowerFlex 70 and 700 Drives - with Reactor 480V Carrier frequency Type A Motor Type B Motor 1488 Volt motor 1329 R / L Shld ➋ Shld ➊ Unshld Shld ➋ Shld ➊ Unshld Shld ➋ Shld ➊ Unshld Shld ➋ Shld ➊ Unshld drive/motor Cable Type ➊...
- Page 90 A-12 Motor Cable Length Restrictions Tables Table A.J PowerFlex 70 and 700 Drives - with RWR or Eliminator 480V Carrier frequency Type A Motor Type B Motor 1488 V Motor 1329 R / L Shld ➋ Shld ➊ Unshld Shld ➋ Shld ➊ Unshld Shld ➋ Shld ➊ Unshld Shld ➋ Shld ➊ Unshld drive/motor Cable Type ➊...
- Page 91 Glossary Ambient Air Air around any equipment cabinet. See surrounding air for more detail. Armored A fixed geometry cable that has a protective “sheath” of continuous metal Capacitive Coupling Current or voltage that is induced on one circuit by another because of their close physical proximity.
- Page 92 Glossary-2 Discrete Individual, hard-wired inputs or outputs, typically used for control of the drive (Start, Stop, etc.) Dry locations per Per NEC Article 100 or local code dv/dt The rate of change of voltage over time Fill Rates The maximum number of conductors allowed in a conduit, as determined by local, state or national electrical code.
- Page 93 Glossary-3 Polyvinyl Chloride (typically thermoplastic) Reflected Waver Reducer, an RL network mounted at or near the drive, used to reduce the amplitude and rise time of the reflected wave pulses. Cat No 1204-RWR2-09-B or 1204-RWR2-09-C Shielded Cable containing a foil or braided metal shield surrounding the conductors. Usually found in multi-conductor cable.
- Page 94 Glossary-4 Underwriters Laboratories...
- Page 95 Index Numerics 1305 Drive A-4 Cable Analog Signal 1-12 1305 Drive, AC Line Impedance 2-7 Armored 1-8 1336 Drive, AC Line Impedance 2-13 Connectors 4-5 1336 Plus II/Impact Drive A-2 Containing Common Mode Noise 6-2 1336 PLUS II/Impact Drive, 600V A-3 Discrete Drive I/O 1-11 160 Drive, Cable Charing Current A-7 Encoder 1-12...
- Page 96 Index-2 Conduit 4-13 Cable Connectors 4-5 Electromagnetic Interference (EMI) Common Mode Noise 6-2 Causes 6-3 Entry 4-4 Mitigating 6-4 Entry Plates 4-4 Preventing 6-4 Connections, Ground 4-6 EMC, Installation 4-2 Contacts 6-3, 6-4 Encoder Cable 1-12 Control Terminal 4-18 Ethernet 1-13 Control Wire 1-11 European Style Cable 1-9 ControlNet 1-13...
- Page 97 Index-3 Installation EMC Specific 4-2 Noise Layout 4-2 Brake 6-3, 6-4 Practices 4-1 Common Mode 6-1 Insulation 1-1, 1-2, 1-4, 1-9, 1-10, 1-12, Contacts 6-3, 6-4 4-13, 4-18, 5-1 Enclosure Lighting 6-7 Inductive Loads 6-4 Lighting 6-7 Mitigating 6-4 Layout, Installation 4-2 Motor Brake 6-3, 6-4 Length Motor Starters 6-3, 6-4...
- Page 98 Index-4 Reflected Wave 5-1 System Configuration Effects on Wire Types 5-1 Delta/Delta with Grounded Leg 2-2 Length Restrictions 5-2 Delta/Wye with Grounded Wye 2-1 Motor Protection 5-2 High Resistance Ground 2-3 TN-S Five-Wire System 2-4 Reflective Wave Protection A-8 Ungrounded Secondary 2-3 Relays, Noise 6-3, 6-4 Remote I/O 1-14 Resistance, Ground 2-3...
- Page 99 Index-5 Wire Routing Antennas 4-12 Loops 4-12 Noise 4-12 Within a Cabinet 4-10 Within Conduit 4-12 Wire/Cable Types 1-1 Armored Cable 1-8 Conductors 1-3 European Style Cable 1-9 Exterior Cover 1-2 Gauge 1-3 Geometry 1-4 Insulation Thickness 1-4 Material 1-2 Reflected Wave Effects 5-1 Shielded Cable 1-6 Temperature Rating 1-3...
- Page 100 Index-6...
- Page 102 Europe/Middle East/Africa: Rockwell Automation, Vorstlaan/Boulevard du Souverain 36, 1170 Brussels, Belgium, Tel: (32) 2 663 0600, Fax: (32) 2 663 0640 Asia Pacific: Rockwell Automation, Level 14, Core F, Cyberport 3, 100 Cyberport Road, Hong Kong, Tel: (852) 2887 4788, Fax: (852) 2508 1846 Publication DRIVES-IN001D-EN-P –...