Rockwell Automation N-Series User Manual

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