Functional Description; Connector And Pin Functions - Life Fitness T3 Service Manual

Life Fitness T-Series Consumer Treadmills
ELECTRONIC OVERVIEW –T3i/T5i/T7i Console

Functional Description

The T3i/T5i/T7i console is designed to act as an intelligent display and keypad interface. It is intended to work in
conjuction with the Motor Control module to form the nucleus of the I/O and control system. The console board
periodically reads the keypad input port to check for user inputs, updates and refreshes the status LEDs, data
display, and communicates with the Motor Control module.
P4

Connector and Pin Functions

Connector
P1 is a 11 pin connector is used
to connect to the membrane
switch to the console
P2 is a 9 pin connector used to
connect the membrane switch to
the console
2
P3
Location Pin Functional Description
1 ESD ground
11
2 Switch return 3
3 Switch strobe 1
4 Switch return 2
5 Switch strobe 3
6 Switch strobe 2
7 Switch return 1
8 Switch strobe 1
9 Switch return 0
10 Switch strobe 0
1
11 ESD ground
1 ESD ground
9
2 Switch strobe 0
3 Switch return 1
4 Switch strobe 3
5 Switch return 2
6 Switch strobe 2
7 Switch return 0
8 Switch strobe 3
9 ESD ground
1
Section 4
P2
P1