Sales Notice | B&R

Differences and Compatibility of the new Generation
8LS…-3 to older versions
Additional Information to S/N
I Versions
Version Date Comment Edited by
1.0 Nov 03, 2014 First Edition St. Schiele
1.1 Nov 20, 2014 Corrections St. Schiele
1.2 Dec 17, 2014 Additional Information, 8LSA7…-3 added St. Schiele
Table 1: Versions
Copyright © B&R 19.12.2014
Preliminary Information new 8LS Design_2014-12-17 / Stefan Schiele Seite 2/10
II Table of Contents
1. Compact Information regarding new 8LS motor design ..................................... 3
2. 8LSA2 Technical data ............................................................................................. 5
3. 8LSA3 Technical data ............................................................................................. 6
4. 8LSA7 Technical data ............................................................................................. 9
III Appendix
1. Drawings 8LSA2…-0 vs 8LSA2...-3
2. Drawings 8LSA3…-0 vs 8LSA3...-3
3. Drawings 8LSA4…-0 vs 8LSA4...-3
4. Drawings 8LSA5…-1 vs 8LSA5...-3
5. Drawings 8LSA6…-1 vs 8LSA6...-3
6. Drawings 8LSA7…-0 vs 8LSA7...-3
Copyright © B&R 19.12.2014
Preliminary Information new 8LS Design_2014-12-17 / Stefan Schiele Seite 3/10
1. Compact Information regarding new 8LS motor design
Following topics are important for changing to the new motors 8LS…-3
Changing from size 8LSA2…-0 --> 8LSA2…-3:
Compacter dimensions due to state of the art pole winding technology; --> please check geometries (page 2)
Small changes of technical data; --> please check (appendix 1):
 Equal: torque, current, motor constants (torque/speed) and inertia
 different: resistance, inductance, pole pairs and weight
--> changing of motor parameters necessary
Changing from size 8LSA3…-0 --> 8LSA3…-3:
Compacter dimensions due to state of the art pole winding technology; --> please check geometries (page 3/4)
Small changes of technical data; --> please check (appendix 2):
 Equal: torque, current, motor constants (torque/speed) and inertia
 different: resistance, inductance, pole pairs and weight
--> changing of motor parameters necessary
Size 8LSA4…-0 --> 8LSA4…-3:
Small changes in dimensions; --> please check geometries (appendix 3)
No changes of technical data
Copyright © B&R 19.12.2014
Preliminary Information new 8LS Design_2014-12-17 / Stefan Schiele Seite 4/10
Size 8LSA5…-1 --> 8LSA5…-3:
Small changes in geometries 8LSA5 with Resolver and optical encoders are equal
8LSA5 with inductive EnDat 2.1 encoders (EA/EB) are 11mm longer
No changes in technical data
Size 8LSA6…-1 --> 8LSA6…-3:
Small changes in geometries 8LSA5 with Resolver and optical encoders are equal
8LSA5 with inductive EnDat 2.1 encoders (EA/EB) are 11mm longer
No changes in technical data
Size 8LSA7…-0 --> 8LSA7…-3:
Compacter dimensions due to state of the art pole winding technology, all types are shorter
--> please check geometries (appendix 3)
Technical data were optimized, significant changes, for example resistance, inductance, pole pairs, inertia and
weight
--> please check application data with servosoft
--> please check control parameters
--> changing of motor parameters necessary