Allen-Bradley MP-Series Manual de usuario

Installation Instructions

MP-Series Low-inertia Servo Motor with

215 mm or Larger Frame Size

Catalog Numbers

MPL-B640, MPL-B660, MPL-B680, MPL-B860, MPL-B880, MPL-B960, MPL-B980

Topic Page

Important User Information 2

Catalog Number Explanation 3

About the MP-Series Low-inertia Motors 4

Before You Begin 4

Install the Motor 9

ATEX Motor Installations 13

Product Dimensions 14

Motor Load Force Ratings 16

Connector Data 18

Remove and Install a Shaft Key 19

Motor Cables and Accessory Kits 20

Specifications 21

Additional Resources 22

2MP-Series Low-inertia Servo Motor with 215 mm or Larger Frame Size

Rockwell Automation Publication MP-IN002E-EN-P - January 2015

Important User Information

Read this document and the documents listed in the additional resources section about installation, configuration, and operation of

this equipment before you install, configure, operate, or maintain this product. Users are required to familiarize themselves with

installation and wiring instructions in addition to requirements of all applicable codes, laws, and standards.

Activities including installation, adjustments, putting into service, use, assembly, disassembly, and maintenance are required to be

carried out by suitably trained personnel in accordance with applicable code of practice.

If this equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be impaired.

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.

The examples and diagrams in this manual are included solely for illustrative purposes. Because of the many variables and

requirements associated with any particular installation, Rockwell Automation, Inc. cannot assume responsibility or liability for actual

use based on the examples and diagrams.

No patent liability is assumed by Rockwell Automation, Inc. with respect to use of information, circuits, equipment, or software

described in this manual.

Reproduction of the contents of this manual, in whole or in part, without written permission of Rockwell Automation, Inc., is

prohibited.

Throughout this manual, when necessary, we use notes to make you aware of safety considerations.

Labels may also be on or inside the equipment to provide specific precautions.

WARNING: Identifies information about practices or circumstances that can cause an explosion in a hazardous

environment, which may lead to personal injury or death, property damage, or economic loss.

ATTENTION: Identifies information about practices or circumstances that can lead to personal injury or death,

property damage, or economic loss. Attentions help you identify a hazard, avoid a hazard, and recognize the

consequence.

IMPORTANT

Identifies information that is critical for successful application and understanding of the product.

SHOCK HAZARD: Labels may be on or inside the equipment, for example, a drive or motor, to alert people that

dangerous voltage may be present.

BURN HAZARD: Labels may be on or inside the equipment, for example, a drive or motor, to alert people that

surfaces may reach dangerous temperatures.

ARC FLASH HAZARD: Labels may be on or inside the equipment, for example, a motor control center, to alert

people to potential Arc Flash. Arc Flash will cause severe injury or death. Wear proper Personal Protective

Equipment (PPE). Follow ALL Regulatory requirements for safe work practices and for Personal Protective

Equipment (PPE).

MP-Series Low-inertia Servo Motor with 215 mm or Larger Frame Size 3

Rockwell Automation Publication MP-IN002E-EN-P - January 2015

Catalog Number Explanation

MP L-B

x x x x

Factory Designated Options

A=Standard

H = ATEX protection rating of Group II, Zone 2

Mounting Flange

A = IEC metric

Brake

2=Nobrake

4=24VDCbrake

Connectors

2 = Bayonet, right angle, 180° rotatable

7 = Circular DIN, right angle, 180° rotatable

Enclosure/Shaft Key/Shaft Seal

J = Shaft key

K=Noshaftkey

Feedback

M = Multi-turn high-resolution encoder

S = Single-turn high-resolution encoder

Rated Speed

A=500rpm

B = 1000 rpm

C = 1500 rpm

D = 2000 rpm

E = 2500 rpm

F = 3000 rpm

G = 3250 rpm

H = 3500 rpm

J = 3750 rpm

K = 4000 rpm

MagnetStackLength(80=8.0in.)

Frame Size (IEC 72-1 flange number)

6=215mm

8=265mm

9=300mm

Voltage Class

B = 400V

Series Type

L = Low inertia

Series

MP = Premium permanent magnet

rotary servo motor

4MP-Series Low-inertia Servo Motor with 215 mm or Larger Frame Size

Rockwell Automation Publication MP-IN002E-EN-P - January 2015

About the MP-Series Low-inertia Motors

MP-Series™ low-inertia (Bulletin MPL) motors feature single-turn or multi-turn high resolution

encoders, and are available with 24V DC brakes. These compact brushless servo motors meet the

demanding requirements of high-performance motion systems.

Before You Begin

Remove all packing material, wedges, and braces from within and around the item. After

unpacking, verify the nameplate catalog number against the purchase order.

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.

Keep the original packing material in case you need to return the product for repair or transport

it to another location. Use both the inner and outer packing cartons to provide adequate

protection for a unit returned for service.

Store or operate your motor in a clean and dry location within the environmental conditions

listed in Specifications on page 21.

Removing the Shaft Cap

Use your hand to remove the protective cap that is installed on the motor shaft or pry off the cap

with a screwdriver. Do not use a hammer or other tools as they can damage the motor shaft.

ATTENTION: To avoid personal injury and damage to the motor, do not lift or handle the motor by the

motor shaft. The cap on the shaft can come loose and cause you to drop the motor.

ATTENTION: Do not attempt to open or modify this motor beyond changing the connector

orientation as described on Change Connector Orientation on page 9.

Only an authorized Allen-Bradley repair center can service this item. Refer to Rockwell Automation

Support for assistance to locate the nearest repair center.

MP-Series Low-inertia Servo Motor with 215 mm or Larger Frame Size 5

Rockwell Automation Publication MP-IN002E-EN-P - January 2015

To Prolong Motor Life

Proper design and maintenance can increase the life of a servo motor. Follow these guidelines to

maximize the life of a servo motor within your environment:

•Always provide a drip loop in each cable to carry liquids away from the connection to the

motor.

•If possible, provide shields that protect the motor housing, shaft seals, and their

junctions from contamination by foreign matter or fluids.

•Shaft seals are subject to wear and require periodic inspection and replacement.

Replacement is recommended every 3 months, not to exceed 12 months, depending on

use. Refer to Shaft Seal Kits on page 20 for more information on shaft seals.

•Inspect the motor and seals for damage or wear on a regular basis. If damage or excessive

wear is observed, replace the item.

•The brake option on this servo motor is a spring-set holding brake that releases when

voltage is applied to the brake coil. A separate power source is required to disengage the

brake. This power source can be applied by a servo motor controller or manual operator

control.

If system main power fails, holding brakes can withstand occasional use as stopping

brakes. However, this creates rotational mechanical backlash that can cause damage to

the system, increase brake wear, and reduce brake life.

IMPORTANT

Holding brakes are not designed to stop rotation of the motor shaft, and they are not intended to

be used as a safety device. They are designed to hold a motor shaft at 0 rpm for up to the rated

brake holding torque.

Follow these steps to prevent motor shaft rotation.

1. Command the servo drive to 0 rpm.

2. Verify the motor is at 0 rpm.

3. Engage the brake.

4. Disable the drive.

Disabling the drive removes the potential for brake wear caused by a badly-tuned servo

system oscillating the shaft.

The cable enters beneath the

motor and forms a drip loop.

The cable enters above the

motor and does not form a

drip loop.

6MP-Series Low-inertia Servo Motor with 215 mm or Larger Frame Size

Rockwell Automation Publication MP-IN002E-EN-P - January 2015

Using Shaft Seals

An additional seal is required on the motor shaft near the motor front bearing if the shaft is

exposed to fluids or significant amounts of fine dust. This includes lubricating oil from a

gearbox. An IP66 rating for the motor requires the use of a shaft seal and environmentally sealed

connectors/cables. The additional seal is not recommended in applications where the motor

shaft area is free of liquids or fine dust, and a lower rating is sufficient:

•Refer to Specifications on page 21 for a brief description of the IP rating for these

MP-Series motors.

•Refer to Shaft Seal Kits on page 20 to find the catalog numbers of seal kits available for

your motor.

•Refer to Kinetix® Motion Accessories Specifications, publication GMC-TD004, to find

environmentally sealed connectors and cables compatible with the MP-Series motors.

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 can

cause system instability and 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, be sure that the connections are

properly aligned and that axial and radial loads are within the specifications of the motor. Refer

to Shaft Seal Kits on page 20 for guidelines to achieve 20,000 hours of motor bearing life.

ATTENTION: Damage can occur to the motor bearings and the feedback device if sharp impact to

the shaft is applied during installation of couplings and pulleys. Damage to the feedback device can

result by applying leverage from the motor mounting face to remove devices mounted on the

motor shaft.

Do not strike the shaft, couplings, or pulleys with tools during installation or removal. Use a wheel

puller applying pressure from the user end of the shaft to remove any friction-fit or stuck device

from the motor shaft.

MP-Series Low-inertia Servo Motor with 215 mm or Larger Frame Size 7

Rockwell Automation Publication MP-IN002E-EN-P - January 2015

Preventing Electrical Noise

Electromagnetic interference (EMI), commonly called noise, can adversely impact motor

performance by inducing stray signals.

Follow these guidelines to prevent the effects of EMI:

•Isolate the power transformers, or install line filters on all AC input power lines.

•Separate signal cables from motor cabling and power wiring. Do not route signal cables

with motor and power wires, or over the vent openings of servo drives.

•Ground all equipment by 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.

Refer to System Design for Control of Electrical Noise Reference Manual, publication

GMC-RM001, for additional information on reducing the effects of EMI by improving the

system level electromagnetic compatibility (EMC).

Build and Install the Cables

Correct cable routing and careful cable construction improves system electromagnetic

compatibility (EMC).

Follow these guidelines to build and install the cables:

•Keep the wire lengths as short as possible.

•Route noise sensitive wiring (encoder, serial, and I/O) away from input power and motor

power wiring.

•Separate cables by 0.3 m (1 ft) minimum for every 9 m (30 ft) of parallel run.

•Ground both ends of the encoder cable shield and twist the signal wire pairs to prevent

EMI from other equipment.

ATTENTION: High voltage can be present on the shield of a power cable, if the shield is not

grounded.

Verify that there is a connection to ground for any power cable shield.

ATTENTION: MP-Series motors produce leakage current in the protective earthing conductor that

exceeds 3.5 mA AC and/or 10 mA DC.

Be sure to properly ground the motor cables per the drive installation instructions.

8MP-Series Low-inertia Servo Motor with 215 mm or Larger Frame Size

Rockwell Automation Publication MP-IN002E-EN-P - January 2015

Ground Shielded Signal Wires within a Power Cable

Always connect the shield on any signal wire pair routed inside a power cable to the overall

machine ground.

If you are installing a 2090-XXNPMF-xxSxx or 2090-CPBM4DF-xxAFxx power with brake

cable, loop the signal wire pairs to the overall cable shield as shown in Grounding of Signal Wire

Shields in a Power Cable on page 8. Then clamp all of the shields together in the power cable

(chassis) ground connection on the drive.

Grounding of Signal Wire Shields in a Power Cable

The signal wire pairs within a power cable often carry a 24V DC brake signal, but can also carry

logic signals. Grounding the shield that surrounds the signal wires dissipates an induced voltage

and reduces the effects of EMI.

Shielded Signal Wires (two pairs) within Power Cable

Overall Power Cable Shield

Signal Wire Shield (one of two) Contacts Overall Power

Cable Shield

Factory Supplied

Field Modified

All power and signal wire shields must connect to machine ground.

The diagram shows one of the two signal wires in the correct

position. Connect both signal wire shields and the overall power

cable shield to machine ground.

2090-XXNPMF-xxSxx (shown) contains two signal wire pairs.

2090-CPBM4DF-xxAFxx contains one signal wire pair.

MP-Series Low-inertia Servo Motor with 215 mm or Larger Frame Size 9

Rockwell Automation Publication MP-IN002E-EN-P - January 2015

Install the Motor

MP-Series motors include a mounting pilot for aligning the motor on the machine. Preferred

fasteners are hardened steel. The installation must comply with all local regulations and use

equipment and installation practices that promote safety and electromagnetic compatibility.

Change Connector Orientation

You can rotate the connector housings up to 180°.

•The M23 feedback connector and the M23 and M40 power/brake connectors are

rotatable.

•The M58 power/brake connector, on MPL-B8xx and MPL-B9xx motors with higher

current requirements, must be removed and repositioned in 90° increments.

This lets you rotate the connector into a position that best protects the connection from possible

environmental contaminates while providing cable access.

Rotate the M23 Feedback or M40 Power/Brake Circular DIN Connector

Follow these steps to rotate an M23 feedback or a M40 power/brake connector.

1. Mount and fully seat a mating cable on either the feedback or power/brake connector.

2. Grasp the mated connector and cable plug with your hands and slowly rotate them to the

outside of the motor.

ATTENTION: Unmounted motors, disconnected mechanical couplings, loose shaft keys, and

disconnected cables are dangerous if power is applied.

Lock-out and tag-out disassembled equipment (restrict electrical power).

Before applying power to the motor, remove the shaft key and other mechanical couplings that can

be thrown from the shaft.

ATTENTION: Make sure that cables are installed and restrained to prevent uneven tension or

flexing at the cable connections.

Excessive and uneven lateral force on the cable can inhibit environmental sealing as the cable

flexes.

ATTENTION: Connectors are designed to be rotated into a fixed position during motor installation,

and remain in that position without further adjustment. Do not rotate the connector multiple

times, and do not use tools or excessive force to rotate the connector. Excessive rotation or force can

damage the connector seal and reduce the international protection (IP) rating of the motor as

outlined in Specifications on page 21.

ATTENTION: Apply force to only the motor connector and cable plug. Do not apply force to the

cable extending from the cable plug. Do not use tools (for example, pliers and vise-grips) to rotate

the connector.

10 MP-Series Low-inertia Servo Motor with 215 mm or Larger Frame Size

Rockwell Automation Publication MP-IN002E-EN-P - January 2015

Rotate the M58 Power/Brake Circular DIN Connector

Follow these steps to rotate a M58 power/brake DIN connector.

1. Remove the four locking screws that attach the connector housing to the motor body.

2. Rotate the connector housing 90° or 180°.

If binding of the wire bundles prevents rotation of the connector, follow these steps to

access the internal motor wiring.

a. Remove the eight screws from the rear cover of the motor.

b. Carefully reposition the wires around the perimeter of the motor feedback device

under the rear cover.

Make sure that the white sleeving stays in place to help protect the wires where they

go through the end cap.

c. Verify that the wires are not close to any rotating parts.

d. Verify that the O-ring and all wires are positioned correctly.

e. Replace the rear cover and torque the screws to 0.68…0.90 N•m (6.0…8.0 lb•in) to

secure the rear cover.

3. Torque the locking screws to 6.8 N•m (60 lb•in) to secure the connector housing to the

motor body.

Mount the Motor

Follow these steps to mount the motor.

1. Provide sufficient clearance, heatsink mass, and airflow for the motor so it stays within

the operating temperature range of 0…40 °C (32…104 °F).

Do not enclose the motor unless cooling air is forced across the motor, and keep other

heat producing devices away from the motor. Heatsink requirements are listed in a

footnote to the Specifications on page 21 table.

2. Verify the axial and radial shaft loads of your application do not exceed those listed in the

Motor Load Force Ratings on page 16.

3. Position the motor on the machine with its connectors pointing downward.

ATTENTION: Damage can occur to the motor bearings and the feedback device if sharp impact to

the shaft is applied during installation of couplings and pulleys.

Do not strike the shaft, couplings, or pulleys with tools during installation or removal.

ATTENTION: Outer surfaces of the motor can reach high temperatures of 125 °C (275 °F)

during operation.

Take precautions to prevent accidental contact with hot surfaces. Consider motor surface

temperature when selecting connections and cables to install on a motor.

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