B&R 8LS 3 Series User Manual

8LS...-3 three-phase
synchronous motors
User's manual
Version: 2.50 (2018-12-10)
Model no.: MAMOT2-ENG
All values in this manual are current as of its creation. We reserve the right to change the contents of this manual
without notice. B&R Industrial Automation GmbH is not liable for technical or editorial errors and defects in this
manual. In addition, B&R Industrial Automation GmbH assumes no liability for damages that are directly or indirectly
attributable to the delivery, performance or use of this material. We point out that the software and hardware
designations and brand names of the respective companies used in this document are subject to general trademark,
brand or patent protection.

B&R 8LS 3 Series Specifications

General

Brand	B&R
Model	8LS 3 Series
Category	Engine
Language	English

Summary

1 General information

1.3 Safety

Covers crucial safety-related information pertinent to working with the product and its service life.

1.4 8LS three-phase synchronous motors

2 Technical data

2.2 8LS order key

Explains the structure of the motor model number and the meaning of each code for configuration.

2.6 Motor encoder system (ee)

Explains available encoder systems (EnDat, Resolvers) and their protocols and features like functional safety.

2.7 Nominal speed (nnn)

2.8 Motor options (ff) 8LSA / 8LSC

Details motor options like connection direction, oil seal, and holding brake for 8LSA and 8LSC series.

2.9 Motor options (ff) 8LSO / 8LSP

Details motor options for 8LSO and 8LSP series, including mounting types and connection directions.

2.10 Special motor options (gg) 8LSA / 8LSC

2.13 Standard motors

4 Installation conditions

4.1 Mounting type and cooling

4.2 Load capacity of the shaft end and bearing

Explains radial and axial forces on the shaft and bearings, emphasizing the need to stay within specified limits.

5 Installation and connection

5.2 Safety

Outlines general safety precautions, including the need for qualified personnel and proper tools.

5.3 Shaft end and bearing

5.4 Installing in the system

5.5 Connecting and disconnecting the motor

Provides safety guidelines and step-by-step procedures for connecting and disconnecting motors and their cables.

5.5.3 Connecting connectors properly

5.5.4 Connection type

6 Commissioning and operation

6.2 Safety

Covers safety precautions for commissioning, emphasizing qualified personnel, proper tools, and potential drive failures.

6.3 Verification

6.4 Faults during operation

7 Inspection and maintenance

7.1 Safety

Reinforces safety requirements for working on motors, emphasizing qualified personnel and power disconnection.

7.2 Motor bearing and holding brake