12
Rockwell Automation Publication MM-IN001B-EN-P - February 2022
Kinetix MMA Asynchronous Main Motors Installation Instructions
Safety-related Parameters
Motors that are equipped with a Hiperface functional safety-rated encoder are designed to maintain the functional safety rating of the encoder attached. The safety
parameters of the encoder are as follows.
Motor Feature Drawings
This section depicts the different motor features and includes the naming conventions that are used throughout this manual.
Figure 3 - Motor Features with Axial Blower
Figure 4 - Motor Features with Radial Blower
Attribute
MMA-B
xxxxxx
Attribute
MMA-B
xxxxxx
Safety Integrity Level (SIL)
SIL 2 (IEC 61508), SIL CL2 (IEC 62061)
Encoder Bearing Life (Rotation)
3.6 x 10
e
9
Probability of a Dangerous Failure per Hour (PFHd)
(1)
(1)
The enclosure rating (in accordance with IEC 60529) is achieved with the attached mating connector and was tested with the shaft in a horizontal position.
1.7 x 10
-8
Encoder Mission Time
20 years
Safety Category
CAT. 3 (ISO 13849-1)
Maximum Operating Speed
(2)
(2)
Per SFx60S operating instruction.
6000 rpm
Performance Level (PIL)
PLd (ISO 13849-1)
Maximum Angular Acceleration
< 500,000 rad/s
2
MTTF
20 years
Operating Ambient Temperature (Encoder)
-30…+85°C (-22…+185°F)
Item
Description
1
Blower Air Inlet
(1)
(1)
The axial blower does not have a filter.
2
Blower Housing
3
Feedback Connector
4
Blower Terminal Box
5
Motor Terminal Box
6
Factory-installed Eye Hooks
7
Flange
8
Shaft
9
Front Grease Fitting
10
Access Panel for Rear Mounting Feet
(2)
(2)
Rear grease fitting for the bearing is located behind this panel.
11
Access Panel
(3)
(3)
Only applicable to shaft height 180 and 225.
1
2
3
4
5
6
8
10
7
9
11
Item
Description
1
Blower Housing
2
Blower Air Inlet
3
Blower Assembly
4
Feedback Connector
5
Blower Terminal Box
6
Blower Motor
7
Motor Terminal Box
8
Factory-installed Eye Hooks
9
Flange
10
Shaft
11
Front Grease Fitting
12
Access Panel for Rear Mounting Feet
(1)
(1)
Rear grease fitting for the bearing is located behind this panel.
13
Access Panel
(2)
(2)
Only applicable to shaft height 180 and 225.
2
3
4
5
6
8
10
12
13
9
7
11
1