Life Fitness 93T - Manual (Page 170)

4-7
Life Fitness Model 97Te, 95Te, 97Ti, 95Ti and 93T Arctic Silver Treadmills
ELECTRONIC OVERVIEW – MOTOR CONTROLLER PCB
LEDs, Test Points, and Jumpers
Description Location Function
LED1 5 VDC
LED2 14 VDC
Service LED
LED3 Service LED
JW1 IN Serial interface (If removed Error message “System Configured Two Wire” appears.)
JW6 OUT Clears continuous error messages and displays EPPROM data
Jumper (JW)
JW7 IN Determines the wave form applied to the motor
Connector and Pin Functions
Connector Location Pin Functional Description
1 120/230 VAC input line
2 120 VAC neutral/230Vac return
P1 is a 3 pin connector, which
connects to the AC inputs
3 Earth ground connection
1 Earth ground connection.
2 Motor phase W
3 Motor phase V
4 Motor phase U
5 Power connection: Motor thermal cutout
P2 is a 6 pin connector, which
connects to the Output Motor
6 Power connection: Motor thermal cutout
1 8VDC (Supplied by wax/lift board)
2 Ground (Console circuit ground)
3 Emergency stop switch
4 Bus request
5 Data receive
P3 is a 6 pin connector, which
connects to the Control Inputs
6 Data transmit
1 Volt positive (PFC in)
2 Ground for motor controller circuit
3 Voltage doubler neutral - no connection for 230VAC or PFC
P4 is a 4 pin connector, which
connects to the Power Factor
Controller or Capacitor Board
4 Volt positive (PFC out)
1 Ground for Motor Controller circuit
2 5VDC (VCC)
P5 is a 3 pin connector, which
connects to the RPM Input
3 Speed sense input
1 Serial output
2 Serial input
3 Secure input to 68HC08 processor
4 Ground for Motor Controller circuit
5 Bi-directional serial line
6 PTC4 input
7 Programming voltage input
8 DC voltage (+VD)
9 5VDC (VCC)
P6 is a 10 pin connector, which
connects to the Diagnostic
Header Inputs.
Note: Pins 1 and 6 are located
closest to P5 on the PCB.
10 5VDC (VCC)