(Catalog Number LD-2003-K-H00AA, LD-2003-K-H04AA, LD-3009-L-H00AA,
LD-3009-L-H04AA, LD-4012-L-H00AA, LD-4012-L-H04AA, LD-4030-O-H00AA, and
LD-4030-O-H04AA)
These installation instructions describe how to install the LD-Series
motors. Use this document if you are responsible for designing,
installing, or troubleshooting the Allen-Bradley LD-Series motor
products. Read all instructions before installing this motor.
For: See Page
Receiving and Maintenance Information2
Motor Catalog Number Identification2
Before You Install the Motor3
Using Couplings and Pulleys3
Preventing Electrical Noise4
Building and Installing Cables5
Installing Your Motor6
Guidelines for Installation7
Mounting Dimensions8
Connector Data10
Motor Load Force Ratings11
Radial Load and Axial Load Force Ratings11
Cables and Connector Kits12
Shaft Seal Kits13
Publication LD-IN001A-EN-P — September 2000
2LD-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, -30° to 70° C (-22° to 158° F)
• within the relative humidity range, 5% to 95% non-condensing
• in an non-corrosive atmosphere
Motor Catalog Number Identification
LD - 4030 - O H 04 AA
Publication LD-IN001A-EN-P — September 2000
FACTORY DESIGNATED OPTIONS
AAStandard
OPTIONS
00Standard
0424VDC Brake
OPTICAL ENCODER LINE COUNT
H2000
MOTOR WINDING Ke DESIGNATOR
FRAME SIZE
SERIES DESIGNATOR
LDLight Industrial
LD-Series Motor Installation Instructions 3
ATTENTION
!
Before You Install 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.
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 the equipment being damaged.
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 LD-IN001A-EN-P — September 2000
4LD-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 LD-IN001A-EN-P — September 2000
LD-Series Motor Installation Instructions 5
ATTENTION
!
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 physically possible.
2. Route signal cables (encoder, serial, analog) away from motor and
power wiring.
3. Separate cables by 0.3 m (1 ft) minimum 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.
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 damage to equipment.
Publication LD-IN001A-EN-P — September 2000
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