MC connector pin definitions
CONN
1
ID
NAME
PIN
Description
INPUT
MC
AC
2
INPUT PWR
1
EARTH GROUND
2
AC LINE 1- LINE AC
LINE
3
AC LINE 2- NEUTRAL
MOTOR
DRIVE MOTOR AC PWR OUT
1
NC
2
NC
3
NC
4
BLACK MOTOR PHASE
B
5
WHITE MOTOR PHASE
C
6
RED MOTOR PHASE A
COMM
CONSOLE INTERFACE CABLE
1
DIGITAL GROUND
2
+8 VDC
3
TCD DATA OUTPUT
4
DIGITAL GROUND
5
+8 VDC
6
RXD DATA INPUT
7
DIGITAL GROUND
8
E-STOP
3
DBR
4
(1)
DYNAMIC BRAKE RESISTOR
SENSE
1
THERMAL RESISTOR
SENSE
2
THERMAL RESISTOR
SENSE
1
connector
2
Alternating Current: electric current which periodically reverses direction between positive
and negative polarity.
3
Emergency Stop: Safety clip and lanyard attached to the stop switch to immediately turn
off power bringing the treadmill to a stop.
4
treadmill dynamic break resistor.
Contact Precor Customer Support at support@precor.com or 800.786.8404 with
any questions.
Page 111
6 Replacement Procedures
Motor Controller (MC) Replacement