Installation Instructions
N-Series Brushless Servo Motor
(Catalog Number N-2302-1, N-2304-1, N-3406-2, N-3412-2, N-4214-2, N-4220-2,
N-5630-2, N-5637-2, and N-5647-2)
These Installation Instructions describe how to install the N-Series
motors. Use this document if you are responsible for designing,
installing, or troubleshooting the Allen-Bradley N-Series motor
products. Read all instructions before installing this motor.
For: See Page
Receiving and Maintenance Information 2
Motor Catalog Number Identification 2
Before You Install the Motor 3
Using Couplings and Pulleys 3
Preventing Electrical Noise 4
Building and Installing Cables 5
Installing Your Motor 6
Guidelines for Installation 7
Mounting Dimensions 8
Connector Data 10
Motor Load Force Ratings 11
Shaft Load Force Ratings 12
Motor Radial Load Force Ratings 12
Cables and Connector Kits 13
Shaft Seal Kits 13
Publication 1398-IN519A-EN-P — March 2001
2 N-Series Motor Installation Instructions
Receiving and Maintenance Information
The customer is responsible for inspecting the equipment before
accepting the shipment from the freight company. Check the item(s) you
receive against your purchase order.
Maintain your motor within the following environmental conditions:
• in a clean, dry location
• within the operating temperature range, 0° to 40° C (32° to 104° F)
• within the storage temperature range, 0° to 50° C (32° to 122° F)
• within the relative humidity range, 5% to 95% non-condensing
• in a non-corrosive atmosphere
Motor Catalog Number Identification
N - 42 14 - 2 H 00 AA
Publication 1398-IN519A-EN-P — March 2001
FACTORY DESIGNATED OPTIONS
AA Standard Flange
OPTIONS
00 Standard
04 24V DC Brake
ENCODER LINE COUNT
F 1000 (N-2300 Standard)
H
K
MOTOR WINDING Ke DESIGNATOR
1 115V ac
2 230V ac
CONTINUOUS TORQUE CAPABILITY (LB-IN)
FRAME SIZE
SERIES DESIGNATOR
N NEMA FRAME STYLE
2000 (N-3400 to N-5600 Standard)
5000
N-Series Motor Installation Instructions 3
Before You Install the Motor
Before installing or storing the motor:
1. Remove the motor carefully from its shipping container.
2. Visually inspect the motor for any damage.
3. Examine the motor frame, front output shaft, and mounting pilot for
any defects.
4. Notify the carrier of any shipping damage immediately.
ATTENTION
!
Do not open or attempt to open the motor.
Only a qualified Allen-Bradley employee can
service this type of motor.
Failure to observe these safety procedures could
result in personal injury or equipment damage.
Using Couplings and Pulleys
Mechanical connections to the motor shaft, such as couplings and pulleys,
require a torsionally 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. All connections
between the system and the servo motor shaft must be rigid to achieve
acceptable response from the system. Periodically inspect connections to
verify their 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. Refer to Motor Load Force Ratings on page 11 for
guidelines on how to achieve 20,000 hours of motor bearing life.
Publication 1398-IN519A-EN-P — March 2001
4 N-Series Motor Installation Instructions
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 by using isolated AC power
transformers or properly installed AC line filters.
To help avoid EMI:
1. Physically separate signal lines from motor cabling and power wiring.
Do not route signal wires with motor and power wires, or over the vent
openings of servo drives.
2. Ground all equipment using a single-point parallel ground system that
employs ground bus bars or large straps. If necessary, use additional
electrical noise reduction techniques to reduce EMI in noisy
environments.
Publication 1398-IN519A-EN-P — March 2001
N-Series Motor Installation Instructions 5
Building and Installing Cables
Knowledgeable cable routing and careful cable construction improves
system ElectroMagnetic Compatibility (EMC).
To build and install cables, perform the following steps:
1. Keep wire lengths as short as possible.
2. Route signal cables (encoder, serial, analog) away from motor and
power wiring.
3. Separate cables by a minimum of 0.3 m (1 ft) for every 9 m (30 ft) of
parallel run.
4. Ground both ends of the encoder cable shield, and twist the signal wire
pairs to prevent electromagnetic interference (EMI) from other
equipment.
ATTENTION
!
High voltage can be present on the shield of a
power cable if the shield is not grounded.
Ensure there is a connection to ground for any
power cable shield.
Failure to observe these safety procedures could
result in personal injury or equipment damage.
Publication 1398-IN519A-EN-P — March 2001
6 N-Series Motor Installation Instructions
Installing Your Motor
The installation must comply with all local regulations and use of
equipment and installation practices that promote electromagnetic
compatibility (EMC) and safety. Preferred fasteners are stainless steel.
ATTENTION
!
Unmounted motors, disconnected mechanical
couplings, and/or disconnected cables are
dangerous if power is applied.
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 or equipment damage.
Publication 1398-IN519A-EN-P — March 2001
N-Series Motor Installation Instructions 7
Guidelines for Installation
Observe the following for installing the motor:
1. Allow sufficient clearance around the motor to keep it within its
specified operating temperature range. Refer to Receiving and Maintenance
Information on page 2 for operating range. Do not enclose the motor unless
forced air is blown across the motor for cooling. A fan blowing air across the
motor will improve its performance. Keep other heat-producing devices away
from the motor.
2. Refer to Mounting Dimensions on page 8 to determine the mounting dimensions
of your motor.
3. Place the motor with connectors pointing downward.
4. Properly mount and align the motor.
5. Attach all power and encoder cables after the motor is mounted, and
use a drip loop in the cable to keep liquids flowing away from the
connectors.
ATTENTION
!
Outer surfaces of motor can reach high
temperatures, 100° C (212° F) during motor
operation.
Take precautions to prevent accidental contact with
hot surfaces. Consider motor surface temperature
when selecting motor mating connections and
cables.
Failure to observe these safety procedures could
result in personal injury or equipment damage.
Publication 1398-IN519A-EN-P — March 2001
8 N-Series Motor Installation Instructions
Mounting Dimensions
The dimension symbols and actual dimensions of the different models in
the N-Series are referenced in a table on page 9.
Figure 1
N-2300 Mounting Dimensions
BF = DIA. HOLES
L
AJ = DIA. BOLT CIRCLE
U
AB
brake option connector
Figure 2
N-3400, N-4200, and N-5600 Mounting Dimensions
L
AB
brake option
connector
BB
BE
power connector
AH
BE
BB
S
U
BF = DIA. HOLES
AJ = DIA. BOLT CIRCLE
AH
AK
P
P
AK
Publication 1398-IN519A-EN-P — March 2001
N-Series Motor Installation Instructions 9
Dimension 1
(Refer to
Motor
N-2302 N-2304 N-3406 N-3412 N-4214 N-4220 N-5630 N-5637 N-5647
drawing)
AB mm (in.) 69.85 69.85 62.99 62.99 62.23 62.23 75.18 75.18 75.18
(2.75) (2.75) (2.48) (2.48) (2.45) (2.45) (2.96) (2.96) (2.96)
AH mm (in.) 20.57 20.57 30.23 30.23 35.05 35.05 50.04 50.04 50.04
(0.81)
2
(0.81)2(1.19)2(1.19)2(1.38)2(1.38)2(1.97)2(1.97)2(1.97)
2
AJ mm (in.) 66.67 66.67 98.42 98.42 125.73 125.73 149.22 149.22 149.22
(2.62) (2.62) (3.87) (3.87) (4.95) (4.95) (5.87) (5.87) (5.87)
AK mm (in.) 38.1 38.1 73.02 73.02 55.55 55.55 114.83 114.83 114.83
(1.5)
3
(1.5)3(2.877)5(2.877)5(2.187)7(2.187)7(4.5)8(4.5)8(4.5)
8
BB mm (in.) 2.29 2.29 3.05 3.05 3.05 3.05 3.05 3.05 3.05
(0.09) (0.09) (0.12) (0.12) (0.12) (0.12) (0.12) (0.12) (0.12)
BE mm (in.) 6.986.988 8 1010121212
(0.27) (0.27) (0.3) (0.3) (0.4) (0.4) (0.5) (0.5) (0.5)
BF mm (in.) 5.2 5.2 5.59 5.59 7.11 7.11 9.52 9.52 9.52
(0.2) (0.2) (0.22) (0.22) (0.28) (0.28) (0.37) (0.37) (0.37)
L mm (in.) 177.7 155.8 144.02 169.42 173.87 199.27 198.75 224.15 249.55
(4.63) (6.13) (5.67) (6.67) (6.84) (7.84) (7.82) (8.82) (9.82)
L with Brake
mm (in.)
161.3 199.4 192.8 218.19 220.73 245.87 255.52 280.92 306.32
(6.35) (7.8) (7.6) (8.59) (8.69) (9.68) (10.06) (11.06) (12.06)
P mm (in.) 57.66 57.66 88.4 88.4 101.6 101.6 127 127 127
(2.27) (2.27) (3.48) (3.48) (4) (4) (5) (5) (5)
S mm (in.)
3.17 x 2
––
(0.125 x
0.085)
3.17 x 2
(0.125 x
6
0.085)
4.76 x 3
(0.187 x
6
0.108)
4.76 x 3
(0.187 x
6
0.108)
4.76 x 3
(0.187 x
6
0.108)
4.76 x 3
(0.187 x
6
0.108)
4.76 x 3
(0.187 x
6
0.108)
6
U mm (in.) 6.35 6.35 12.7 12.7 15.87 15.87 19 19 19
4
(0.25)
1
N-Series motors are designed to inch dimensions. Metric measurements are mathematical conversions.
2
Tolerance is ±0.76 mm (±0.03 in.).
3
Tolerance is –0.05 mm (–0.002 in.).
4
Tolerance is –0.013 mm (–0.0005 in.) diameter.
5
Tolerance is –0.1 mm (–0.004 in.).
6
Tolerance is –0.05 mm (–0.002 in.) width, –0.38 mm (–0.015 in.) depth.
7
Tolerance is –0.025 mm (–0.001 in.) diameter.
8
Tolerance is –0.076 mm (–0.003 in.) diameter.
(0.25)4(0.5)4(0.5)4(0.625)4(0.625)4(0.75)4(0.75)4(0.75)
4
Publication 1398-IN519A-EN-P — March 2001
10 N-Series Motor Installation Instructions
Connector Data
The tables below list the signal descriptions for the encoder, power, and
brake connector pins.
NEMA 23-Series Encoder NEMA 34, 42, & 56-Series Encoder
Pin Signal Pin Signal Pin Signal Pin Signal
A A+ L Common A A+ L Common
B A- M Common B A- M Common
C B+ N Open C B+ N Open
D B- P Open D B- P Open
E I+ R Thermostat+ E I+ R Thermostat+
F I- S Thermostat- F I- S Thermostat-
G Open T Hall A G Open T Hall A
H Open U Hall B H ABS U Hall B
J 5 VDC V Hall C J 5 VDC V Hall C
K 5 VDC K 5 VDC
A
M
B
N
L
P
K
J
H
Publication 1398-IN519A-EN-P — March 2001
C
RUV
D
ST
E
F
G
A
M
B
N
L
P
K
J
H
C
RUV
D
ST
E
F
G
N-Series Motor Installation Instructions 11
NEMA 23-Series Power
Connector
NEMA 34, 42 & 56-Series
Power Connector
Brake Connector
Pin Signal Pin Signal Pin Signal
A Phase U A Phase U A BR+
B Phase V B Phase V B BR-
C Phase W C Phase W C Open
D Ground D Ground
E Open E Open
A
A
M
B
N
L
P
K
J
H
C
RUV
D
ST
E
F
G
M
B
N
L
P
K
J
H
C
RUV
D
ST
E
F
G
Motor Load Force Ratings
Motors are capable of operating with sustained maximum radial or
maximum axial shaft loads. The measurement points for maximum radial
and axial load forces are shown in the figure below.
Figure 3
Load Forces on Shaft
1 inch from mounting surface
(Location on shaft where rating is applied. FR
Axial Load Force
Publication 1398-IN519A-EN-P — March 2001
12 N-Series Motor Installation Instructions
The following table represents load factors that provide a 20,000-hour L10
bearing fatigue life for N-Series motors. These load factors do not account
for possible application-specific life reduction factors that may occur, such
as bearing grease contamination from external sources.
Shaft Load Force Ratings
Motor Series Shaft Radial Load (FR) kg (lb)
N-2300 2.26 (5)
N-3406 13.6 (30)
N-3412 15.9 (35)
N-4214 20.4 (45)
With no radial load, the axial load rating is 100% of the radial load rating
from the table below. With a radial and an axial load, the axial load rating
is 44% of the radial load rating from the table below.
Motor Radial Load Force Ratings
500
Motor
N-2302 8 (18) 7 (15) 6 (13) 6 (13) 5 (11) 4 (9) 3 (7)
N-2304 9 (20) 8 (18) 7 (15) 6 (13) 5 (11) 5 (11) 3 (7)
N-3406 47 (104) 37 (82) 29 (64) 26 (57) 23 (51) 22 (48) 20 (44)
N-3412 51 (112) 40 (88) 32 (71) 28 (62) 26 (57) 24 (53) 22 (48)
N-4214 62 (137) 49 (108) 39 (86) 34 (75) 31 (68) 29 (64) –
N-4220 66 (146) 52 (115) 41 (90) 36 (79) 33 (73) 31 (68) –
N-5630 85 (187) 67 (148) 53 (117) 47 (104) 43 (95) – –
N-5637 89 (196) 71 (157) 56 (123) 49 (108) 45 (99) – –
N-5647 92 (203) 73 (161) 58 (128) 51 (112) – – –
Publication 1398-IN519A-EN-P — March 2001
RPM
kg (lb)
1000
RPM
kg (lb)
2000
RPM
kg (lb)
3000
RPM
kg (lb)
4000
RPM
kg (lb)
5000
RPM
kg (lb)
6000
RPM
kg (lb)
N-Series Motor Installation Instructions 13
Cables and Connector Kits
Factory manufactured cables are available in standard cable lengths. If
you choose to build your own cables, the following connector kits are
available for connecting N-Series motors.
Catalog Number Description
2090-NPC-S Straight Power Connector Kit
2090-NFC-S Straight Feedback Connector Kit
2090-NBC-S Straight Brake Connector Kit
Shaft Seal Kits
N-Series motors equipped with a shaft seal will have an IP65
environmental rating. The following shaft seal kits are available for
N-Series motors.
Catalog Number Description
0041-5056 Shaft Seal Kit for N-2300 Series Motors
0041-5065 Shaft Seal Kit for N-3400 Series Motors
0041-5058 Shaft Seal Kit for N-4200 Series Motors
0041-5059 Shaft Seal Kit for N-5600 Series Motors
Publication 1398-IN519A-EN-P — March 2001
14 N-Series Motor Installation Instructions
Notes
Publication 1398-IN519A-EN-P — March 2001
N-Series Motor Installation Instructions 15
Publication 1398-IN519A-EN-P — March 2001
For more information refer to our web site at: www.ab.com/motion
For more information refer to our web site: www.ab.com/motion
For Rockwell Automation Technical Support information refer to: www.rockwellautomation.com/support or
Tel: (1) 440.646.3434
Allen-Bradley is a registered trademark of Rockwell Automation.
www.rockwellautomation.com www.ab.com
Corporate Headquarters
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Headquarters for Allen- Bradley Products, Rockwell Software Products and Global Manufacturing Solutions
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Ultra, Servo Motors (MP, F, H, Y and N-Series) and Elec tro-Craft products: Tel: (1) 952.914.3990, Fax: (1) 952.942.3756, E-mail: RAEPTechSupport@ra.rockwell.com
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For Europe: Tel: 44 1270 580142, Fax: 44 1270 58 0141, E-mail: Ctechnicalsupport@ra.rockwell.com
Publication 1398-IN519A-EN-P —March 2001 PN 0013-1072-001 Rev A
Copyright © 2001 Rockwell Automatio n. All rights reserved. Prin ted in the USA.
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