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N-Series Motors
Brushless Servo Motors
N-2302-1, N-2304-1, N-3406-2, N-3412-2, N-4214-2, N-4220-2, N-5630-2, N-5637-2, N-5647-2
Electro-Craft Motion Control 6950 Washington Avenue South Eden Prairie, MN 55344 612-942-3600
THE RIGHT COMPANY. THE RIGHT SOLUTION.
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IntroProduct Notice
Use of Motors
Servo motors are intended to drive machinery. As such, they must be part of a controlled system that includes a transistorized electronic amplifier. They are not intended for direct connection to the power supply or for use with thyristor drives. Instructions in the amplifier and control system manuals must be observed; this document does not replace those instructions. Unless specified otherwise, servo motors are intended for use in a normal industrial environment without exposure to excessive or corrosive moisture or abnormal ambient temperatures. The exact operating conditions may be established by referring to the data for the motor. The mating of motors to machinery is a skilled operation; disassembly or repair must not be attempted. In the event that a motor fails to operate correctly, contact the place of purchase for return instructions.
Safety Notes
There are some possible hazards associated with the use of motors. The following precautions should be observed. Specific Warnings and Cautions are listed inside the back cover. Installation and Maintenance: Installation and maintenance or replacement must be carried out by suitably qualified service personnel, paying particular attention to possible electrical and mechanical hazards. Weight: Large motors are generally heavy, and the center of gravity may be offset. When handling, take appropriate precautions and use suitable lifting equipment. Beware of sharp edges; use protective gloves when handling such assemblies. Flying leads: Ensure that flying or loose leads are suitably restrained, to prevent snagging or entanglement, before carrying motors with such leads. Generation: If the motor is driven mechanically, it may generate hazardous voltages at its power input terminals. The power connector must be suitably guarded to prevent a possible shock hazard. Loose motors: When running an unmounted motor, ensure that the rotating shaft is adequately guarded and the motor is physically restrained to prevent it from moving. Remove the key which otherwise could fly out when the motor is running. Damaged cables: Damage to cables or connectors may cause an electrical hazard. Ensure there is no damage before energizing the system. Supply: Servo motors must not be directly connected to a power supply; they require an electronic drive system. Consult the instructions for the drive system before energizing or using the motor. Brakes: The brakes that are included on motors are holding brakes only and are not to be used as a mechanical restraining device for safety purposes. Safety requirements: The safe incorporation of this product into a machine system is the responsibility of the machine designer, who should comply with the local safety requirements at the place where the machine is to be used. In Europe this is likely to be the Machinery Directive. Mechanical connection: Motors must be connected to the machine with a torsionally rigid coupler or a reinforced timing belt. Couplers which are not rigid will cause difficulty in achieving an acceptable response from the control system. Couplings and pulleys must be tight as the high dynamic performance of a servo motor can easily cause couplings to slip, and thereby damage the shaft and cause instability. Care must be taken in aligning couplings and tightening belts so that the motor is not subjected to significant bearing loads, or premature bearing wear will occur. Once connected to a load, tuning will be affected. A system tuned without a load will probably require retuning once a load is applied. Connectors: Motor power connectors are for assembly purposes only. They should not be connected or disconnected while power is applied.
(c) 1999 Rockwell International Corporation. All rights reserved. Electro-Craft is a trademark of Rockwell Automation. Printed in the United States of America. Information contained in this manual is subject to change without notice.
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Motor Data
MOTOR
Rotor Moment of Inertia Rotor Moment of Inertia Motors W/Brake Motor Weight: kg-m2 lb-in-s2 kg-m2 lb-in-s2 Net kg/lb Est. Shipping kg/lb Brake Motor Weight: Net kg/lb Est. Shipping kg/lb Damping Nm/krpm oz-in/krpm Friction Torque Nm oz-in Max. Operating Speed rpm Shaft Material Poles Sine Wave KT Torque Constant (2) Square Wave KT Torque Constant (3) KE Voltage Constant (4) Winding Resistance Phase to Phase at 25oC Winding Inductance Phase to Phase Thermal Resistance Dielectric Rating
N-2302-1
0.000009 0.00008 0.000018 0.00016 1.0/2.2 1.3/2.9 1.3/2.9 1.5/3.3 0.023 0.2 0.12 1.0 6000
N-2304-1 N-3406-2 N-3412-2 MECHANICAL DATA (1)
0.00002 0.00016 0.000032 0.00028 1.5/3.3 1.8/4.0 2.0/4.4 2.2/4.9 0.034 0.3 0.23 2.0 6000 0.00008 0.0007 0.000122 0.00108 0.00015 0.0013 0.000202 0.00179
N-4214-2
0.00024 0.0021 0.000210 0.00186 4.7/10.4 5.2/11.5 5.1/11.2 5.5/12.1 0.20 1.8 0.45 4.0 6000
N-4220-2
0.00035 0.0031 0.000320 0.00283 5.9/13.0 6.7/14.8 6.9/15.2 7.7/17.0 0.19 1.7 0.73 6.5 5000
2.6/5.7 3.5/7.7 3.0/6.6 4.0/8.8 3.4/7.5 4.3/9.5 3.9/8.6 4.8/10.6 0.13 0.19 1.1 1.7 0.26 0.34 2.3 3.0 6000 6000 416 Stainless Steel 4 0.17 1.5 0.18 1.6 21 2.24 6.1 1.6 4 0.33 3.0 0.37 3.3 41 2.68 8.6 1.2
WINDING DATA (1)
Nm/A in-lb/A Nm/A lb-in/A V/krpm Ohms mH
o
4 0.09 0.8 0.09 0.88 11 3.92 4.2 3.0
4 0.22 2.0 0.24 2.2 27 5.89 8.8 2.2
4 0.40 3.6 0.45 4.0 49 2.79 11.0 1.1
4 0.28 2.5 0.3 2.7 34 0.77 2.9 0.83
C/Watt
Power Leads (R, S, T) to Ground: 1800 VACrms 50/60 Hz for 1 minute.
MOTOR
Rotor Moment of Inertia Rotor Moment of Inertia Motors W/Brake Motor Weight: kg-m2 lb-in-s2 kg-m2 lb-in-s2 Net kg/lb Est. Shipping kg/lb Brake Motor Weight: Net kg/lb Est. Shipping kg/lb Nm/krpm Damping oz-in/krpm Friction Torque Nm oz-in Max. Operating Speed rpm Shaft Material Poles Sine Wave KT +10% Torque Constant (2) Square Wave KT Torque Constant (3) KE Voltage Constant (4) Winding Resistance Phase to Phase at 25oC Winding Inductance Phase to Phase Thermal Resistance
N-5630-2
0.0009 0.008 0.000651 0.00576 9.1/20.1 9.6/21.2 10.9/24.0 11.4/25.1 0.35 3.1 1.3 11 4000
N-5637-2 N-5647-2 MECHANICAL DATA (1)
0.0012 0.01 0.000778 0.00689 0.0015 0.013 0.000893 0.00791
11/24.3 13/28.7 11.7/25.8 13.8/30.4 13.2/29.1 15.9/35.1 13.8/30.4 13.9/37.3 0.32 0.45 2.8 4.0 1.6 1.7 14 15 4000 3000 416 Stainless Steel
WINDING DATA (1)
Nm/A lb-in/A Nm/A lb-in/A V/krpm Ohms 10% mH 4 0.38 3.4 0.41 3.7 47 0.89 4.3 4 0.49 4.4 0.54 4.8 60 1.0 5.2 4 0.63 5.6 0.70 6.2 77 1.23 7.0
oC/Watt 0.81 0.76 0.70 Dielectric Rating Power Leads (R, S, T) to Ground: 1800 VACrms 50/60 Hz for 1 minute. (1) Specifications are at 25oC unless otherwise noted. (3) Peak value of per phase square wave Amperes (2) Peak value of per phase sine wave Amperes (4) Peak value of sinusoidal phase to phase Volts
STORAGE AND OPERATING CONDITIONS
Ambient Temperature: Operating Storage 0 to 40C (32 - 104F) 0 to 50C (32 - 122F) Relative Humidity: 5% to 95% non-condensing
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Dimensional Data
Intro
L U
N-2300
AB BE AH
SHAFT END PLAY UNDER LOAD
Maximum end play (All Motors) Direction mm/in ---> A <--- B 0.127/ 0.005 0.025/ 0.001 Load (Kg/Lb) 3.8/10
BF DIA HOLES AJ DIA CIRCLE
BB
brake option connector
power connector
AK P
Note: End play and load are measured in inches and pounds. Metric measurements are approximate conversions from inches and pounds.
L BE
AH BB S
P AK
N-3400 N-4200
AB
N-5600
brake option connector
U BF DIA HOLES AJ DIA CIRCLE
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Motor Dimensions
Motor Model
N-2302 N-2304 N-3406 N-3412 N-4214 N-4220 N-5630 N-5637 N-5647 75/2.96 50/1.97 (1) 149/5.88 114/4.50 (8) 12/0.47 0.375 in UNC 62/2.45 35/1.38 (1) 126/4.95 56/2.19 (7) 10/0.39 7/0.28 63/2.48 30/1.19 (1) 98/3.88 73/2.88 (4) 3/.12 8/0.32 6/0.22
AB mm/in
70/2.75
AH mm/in
21/0.81 (1)
AJ mm/in
67/2.63
AK mm/in
38/1.50 (2)
BB mm/in
2/.09
BE mm/in
7/0.28
BF
MOTOR DIMENSIONS L L Brake mm/in
118/4.63 156/6.13 144/5.67 169/6.67 174/6.85 199/7.85 199/7.83 224/8.83 250/9.83
S mm/in
NA 3.2 X 3.2 /0.125 X 0.125 (5) 4.8 X 4.8 /0.1875 X 0.1875 (5)
U mm/in
6/.25 (3) 13/.5 (3) 16/.63 (3) 19/.75 (3)
XD mm/in
NA 19/0.75 (6) 24/0.94 (6) 38/1.50 (6) 1 2 3 4 5 6 7 8
TOLERANCES mm
-0.03 -0.01 0.5 0.2 -0.035 -0.013 -0.016 -0.046
mm/in
5/0.21
mm/in
161/6.32 199/7.82 193/7.59 218/8.59 219/8.63 245/9.63 256/10.06 281/11.06 306/12.06
inches
-0.00012 -0.0004 0.0196 0.0079 -0.0014 -0.0051 -0.006 -0.0181
NOTE: Motors are manufactured to inch dimensions. Millimeter dimensions are approximate conversions from inches.
SUPPLEMENTAL MOTOR DIMENSIONS Length, from motor faceplate to center of connectors Connector
Brake (mm/in) Power (mm/in) Encoder (mm/in)
N-2302
105/4.13 62/2.43 145/5.71
N-2304
143/5.63 100/3.93 183/7.22
N-3406
118/4.66 173/6.81 173/6.81
N-3412
144/5.66 198/7.81 198/7.81
N-4214
145/5.7 198/7.79 198/7.79
N-4220
170/67 223/8.79 223/8.79
N-5630
176/6.94 235/9.25 235/9.25
N-5637
202/7.94 260/10.25 260/10.25
N-5647
227/8.94 286/11.25 286/11.25
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Connector Data
Pin
A B C D E F G H J K L M N P R S T U V
NEMA 23-Series Encoder Signal
A+ AB+ BI+ IGROUND Open 5 VDC 5 VDC COMMON COMMON Open Open THERMOSTAT+ THERMOSTATHALL A HALL B HALL C
ITT Cannon Connectors Power Connector P/Ns
N-2300 KPSE02E14-5P-A71 N-3400 N-4200 N-5600 Connectors require1/4 turn to seal
NEMA 34, 42 & 56-Series Encoder Pin Signal
A B C D E F G H J K L M N P R S T U V A+ AB+ BI+ IGROUND ABS 5 VDC 5 VDC COMMON COMMON Open Open THERMOSTAT+ THERMOSTATHALL A HALL B HALL C
Encoder Connector P/Ns
N-2300 KPSE02E14-19P-A71 N-3400 N-4200 N-5600 Connectors require1/4 turn to seal.
Brake Connector P/Ns
N-2300 KPSE02E12-3P-A71 N-3400 N-4200 N-5600 Connectors require1/4 turn to seal.
Pin
A B C D E
NEMA 23-Series Power Connector Signal
PHASE R PHASE S PHASE T GROUND Open
Brake Option Connector Pin Signal
A B C BR+ BROPEN
NEMA 34, 42 & 56-Series Power Connector Pin Signal
A B C D E PHASE R PHASE S PHASE T GROUND Open
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Encoder Data
Encoders are factory aligned and must not be adjusted outside the factory.
N-2300
Line Count Supply Voltage Supply Current Line Driver Line Driver Output 1000 (1) (2) 5 VDC 175 mA max. LM339 TTL
ENCODER SPECIFICATIONS N-3400, N-4200 and N-5600
2000 (1) 5 VDC 300 mA max. 26LS31 A, B, I signals: Logic 1 =2.5 VDC min @ 20 mA DC source, Logic 0 = 0.5 VDC max @ 20 mA DC sink. HALL signals: Logic 1 = 3.5 VDC min @ 1mA DC source, Logic 0 = 0.5 VDC max @ 5mA DC sink. When facing the motor, the key is oriented 90o10 clockwise (mechanical) from connectors
Index Pulse
Refer to diagrams below (No key for physical reference)
(1) Standard line count before quadrature. (2) N-2300 encoder does not have Absolute Signal (ABS)
Encoder Outputs
N-2300 Encoder Output
360
o
N-3400, 4200 and 5600 Encoder Output
Logic 1 2.5 VDC min Logic 0 0.5 VDC max 360o Logic 1 2.5 VDC min Logic 0 0.5 VDC max
A+ A90o +45o
A+ A90o +45o
B+ BIndex Alignment Reference
B+ BIndex Alignment Reference
I+ I360o
I+ I90o +45o Gated Index
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Encoder Phase-to-Neutral and Phase-to-Phase Waveforms
NOTE: N-3400, N-4200 and N-5600 only
NOTE: Hall and ABS signals are in electrical degrees. For 4 pole commutation, 360 mechanical = 720 electrical.
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Options: Connectors and Shaft Seals
An environmentally sealed package may be formed when an N-Series motor is coupled with sealed cable assemblies and shaft seals. Factory manufactured power cables and encoder cables are available in standard cable lengths of 10, 25, 50, 75 and 100 feet (3, 7.6, 15, 23 and 30 meters). Factory cables provide environmental sealing and shield termination.
Shaft Seal Kits
MOTOR SEAL KITS MOTOR SERIES PART NUMBER SIZE (Outside Dia x Inside Dia x Width) mm/in
N-2300 0041-5068 0.035 x 0.001 x 0.005 / 0.875 x 0.250 x 0.125 N-3400 0041-5069 0.044 x 0.019 x 0.010 / 1.125 x 0.500 x 0.250 N-4200 0041-5070 0.044 x 0.025 x 0.010 / 1.125 x 0.625 x 0.250 N-5600 0041-5071 0.054 x 0.030 x 0.010 / 1.375 x 0.750 x 0.250 NOTE: Shaft seals are manufactured to inch dimensions. Millimeter dimensions are conversions from inches. Shaft seals require a lubricant to reduce wear. Lubricant is provided with kit.
Connectors and Connector Kits
MOTOR POWER CONNECTORS PART NUMBER CONNECTOR TYPE
9101-1557 POWER - SOLDER 9101-1558 ENCODER - SOLDER 9101-1698 BRAKE - SOLDER These connectors provide environmental sealing and shield termination.
STRAIGHT
MS3126F14-19S MS3116F14-19S MS3126F14-5S MS3116F14-5S MS3126F12-3S MS3116F12-3S
OTHER MATING CONNECTORS CONNECTOR TYPE RIGHT ANGLE
ENCODER - CRIMP ENCODER - SOLDER POWER - CRIMP POWER - SOLDER BRAKE - CRIMP BRAKE - SOLDER KPSE08F14-19S KPT08F14-19S KPSE08F14-5S KPT08F14-5S KPSE08F12-3S KPTO8F12-3S PT08SE14-19S PT08E14-19S PT08SE14-5S PT08E14-5S PT08SE12-3S PT08E12-3S
05
04
NOTES: * These connectors provide environmental sealing, but do not provide cable shield termination. * Angle Connectors are ITT Cannon (KP) and Amphenol (PT). * Power contacts are size 16 AWG. Crimp type connectors accept wire sizes 20 AWG to 16 AWG. * Brake and Encoder contacts are size 20 AWG. Crimp type connectors accept wire sizes 24 AWG to 20 AWG.
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Motor Radial Load Force Ratings
Motors are capable of carrying an axial load in most applications. The following table provides guidelines for 20,000 hour bearing life with a specified radial load applied to the center of the shaft. Please consult with Reliance Motion Control regarding loads, operating speeds and bearing life in your particular application to ensure the proper selection of motors.
500 rpm lb (kg)
17 (8) 19(9) 103 (47) 113 (51) 137 (62) 146 (66) 188 (85) 197 (89) 203 (92)
MOTOR
N-2302 N-2304 N-3406 N-3412 N-4214 N-4220 N-5630 N-5637 N-5647
STANDARD RADIAL LOAD FORCE RATINGS 1000 rpm 2000 rpm 3000 rpm 4000 rpm lb (kg) lb (kg) lb (kg) lb (kg)
16 (7) 17 (8) 82 (37) 89 (40) 109 (49) 116 (53) 149 (68) 156 (71) 161 (73) 14 (6) 15 (7) 65 (29) 71 (32) 86 (39) 92 (42) 118 (54) 124 (56) 128 (58) 12 (5) 14 (6) 56 (25) 62 (28) 76 (34) 80 (36) 103 (47) 108 (49) 112 (51) 11 (5) 12 (5) 51 (23) 56 (25) 68 (31) 73 (33) 94 (43) 98 (44)
5000 rpm lb (kg)
9 (4) 10 (5) 48 (22) 53 (24) 64 (29) 68 (31)
6000 rpm lb (kg)
8 (4) 8 (4) 45 (20) 49 (22)
Radial load force applied at center of shaft extension Axial load force
P0010
NOTE: When motor shaft has no radial load, axial load rating = 100% of radial load rating above. When motor shaft has both a radial load and an axial load, axial load rating = 44% of radial load rating above.
Brake Motor Application Guidelines
The brakes offered as options on these servo motors are holding brakes. They are designed to hold the motor shaft at 0 rpm for up to the rated brake holding torque. The brakes are spring-set type, and release when voltage is applied to the brake coil. The brakes are not designed for stopping rotation of the motor shaft. Servo drive inputs should be used to stop motor shaft rotation. The recommended method of stopping motor shaft rotation is to command the servo drive to decelerate the motor to 0 rpm, and engage the brake after the servo drive has decelerated the motor to 0 rpm. If system main power fails, the brakes can withstand use as stopping brakes. However, use of the brakes as stopping brakes creates rotational mechanical backlash that is potentially damaging to the system, increases brake pad wear and reduces brake life. The brakes are not designed nor are they intended to be used as a safety device. A separate power source is required to disengage the brake. This power source may be controlled by the servo motor controls, in addition to manual operator controls.
Brake Specifications
MOTOR SERIES
N-2300 N-3400 N-4200 N-5600
MAX. BACKLASH (BRAKE ENGAGED)
1 degree
BRAKE DATA HOLDING TORQUE (lb/in) (Nm)
5 15 30 50 0.56 1.69 3.39 5.64
COIL CURRENT at 24 VDC
0.28 ADC 0.36 ADC 0.36 ADC 0.71 ADC
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Motor Installation
Observe the following installation guidelines and those in the Product Notice: WARNING: Motors and linkages must be securely mounted for a system to be operational. Disassembled equipment should be appropriately identified (tagged-out) and access to electrical power restricted (locked-out). Failure to observe these safety procedures could result in personal injury and damage to equipment. 1. Do not run motors that are not properly mounted. Attach all power and data cables after the motor is mounted. 2. Mount motors with connectors pointing downward and use a drip loop in the cable to keep liquids flowing away from the connectors. 3. Consider motor case temperature if necessary to safeguard operator and maintenance staff. Maximum case temperature is approximately 100C (212F) for a motor used at continuous rating in a 40C ambient temperature. 4. The installer must comply with all local regulations and should use equipment and installation practices that promote electromagnetic compatibility and safety.
!
Preventing Electrical Noise
ElectroMagnetic Interference (EMI), commonly called "noise", may adversely impact motor performance by inducing stray signals. Effective techniques to counter EMI include filtering the AC power, shielding and separating signal carrying lines, and practicing good grounding techniques. Effective AC power filtering can be achieved through the use of isolated AC power transformers or properly installed AC line filters. Physically separate signal lines from motor cabling and power wiring; do not parallel signal wires with motor or power wires or route signal wires over the vent openings of servo drives. Ground all equipment using a single-point parallel ground system that employs ground bus bars or straps. If necessary, use electrical noise remediation techniques to mitigate EMI in "noisy" environments. Knowledgable cable routing and careful cable construction improves system electromagnetic compatibility (EMC). General cable build and installation guidelines include: 1. Keep wire lengths as short as physically possible. 2. Route signal cables (encoder, serial, analog) away from motor and power wiring. 3. Separate cables by 1 foot minimum for every 30 feet of parallel run. 4. Ground both ends of the encoder cable and twist the signal wire pairs. 5. Use shielded motor cables when necessary to prevent electromagnetic interference (EMI) with other equipment.
Couplings and Pulleys
Mechanical connections to the motor shaft, such as couplings and pulleys, require a rigid coupling or a reinforced timing belt. The high dynamic performance of servo motors can cause couplings, pulleys or belts to loosen or slip over time. A loose or slipping connection will cause system instability and may damage the motor shaft and keyway. All connections between the system and the servo motor shaft must be rigid to achieve acceptable response from the system. Connections should be periodically inspected to verify the rigidity. When mounting couplings or pulleys to the motor shaft, ensure that the connections are properly aligned and that axial and radial loads are within the specifications of the motor. The section "Load Force Ratings" provides guidelines to achieve 20,000 hours of bearing life. Additional information about load force ratings, including graphical depiction of varied load ratings and bearing life, is available for any motor from the Technical Support groups listed on the back cover.
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Product Information
Motor Part Number Identification N - 42 14 - 2 - H 00 AA
FACTORY DESIGNATED SPECIAL OPTIONS AA = STANDARD FLANGE OPTIONS 00 = 04 =
STANDARD 24 VDC BRAKE
ENCODER LINE COUNT F = 1000 (N-2300 STANDARD) H = 2000 (N-3400 thru N-5600 STANDARD) K = 5000 MOTOR WINDING VOLTAGE DESIGNATOR 1 = 115 VAC 2 = 230 VAC CONTINUOUS TORQUE CAPABILITY (LB-IN) FRAME SIZE SERIES DESIGNATOR N = NEMA FRAME STYLE
NOTE: OPTIONS NOT AVAILABLE ON ALL SIZES
Disposal or Warranty Return of Motors
Motors may contain environmentally regulated materials, such as lead solder and circuit boards. When disposing of a motor, please recycle motors per regulations at your location. You may choose to return a motor for disposal by contacting your supplier. Please contact the source that supplied the motor for warranty, non-warranty, or disposal work. All returned products require a Return Material Authorization (RMA) number for efficient processing and tracking.
Technical Support
In the United States, hours for product assistance are 7:00 AM to 5:00 PM (CST), Monday through Friday at 1-800-328-3983 or via fax at 1-612-942-3636. In Europe, product assistance can be obtained between 8:30 and 17:30 local time, Monday through Friday at (+44)1270 580142 or via fax at (+44)1270 580141.
N-Series Motors Brushless Servo Motors Part Number 0013-1065-001 Rev B
Electro-Craft Motion Control 6950 Washington Avenue South Eden Prairie, MN 55344 612-942-3600
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