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Rockwell Automation Publication MM-IN001B-EN-P - February 2022
Kinetix MMA Asynchronous Main Motors Installation Instructions
Wiring the Motor Terminal Box
The motor terminal board has three or six pins to connect the Kinetix MMA main motor windings. Additional terminals are available for the connection of the thermal
protections and other accessories. See the Knowledgebase article:
Kinetix MMA Frequently Asked Questions
, for additional information.
.
Figure 7 - Motor Terminal Board Configurations
IMPORTANT
The customer must supply motor power, brake, and accessory cables for the Kinetix MMA Asynchronous
Main Motors. It is the responsibility of the customer to properly ground and terminate all connections in
the terminal boxes. The recommended wire size is based on motor current requirements and terminal
board sizing. Consult your local electrical code before you select the wire gauge for your application.
Table 15 - Possible Motor Terminal Board Terminations and Definitions
Label
Description
Label
Description
(1)
(1)
Resistive temperature device (RTD).
U1, V1, W1
Incoming power connections
TS
Thermostat for winding overheating protection
U2, V2, W2
Existing power connections
PT1000 Winding
RTD for real-time winding temperature measurements
Heater
Option: space heater
PT100 Front Bearing
RTD embedded in front bearing for real-time temperature measurements
Brake
Brake power and control
PT100 Rear Bearing
RTD embedded in rear bearing for real-time temperature measurements
Brake Status (microswitch)
NC - normally closed
NO - normally open
COM - common
KTY 84-130
RTD embedded in the windings and is used in place of the PT1000
Shaft Height 80
Shaft Height 100
Shaft Height 132 and 160
Shaft Height 180 and 225
Note
: This terminal only exists on the
SH225, 400V AC brake option H
x
and J
x.