Product Requirements
Ch. 8
TRACKMASTER
68
TMX428 TMX428CP & TMX58 Service Manual
317-160-406 Rev 4
May 2021
ELECTRICAL CONNECTIONS
A) Input Power Header : An Amp - 641968-1 4-pin MATE & LOCK header is provided for
instrument power.
B) Elevation Output Header : An Amp 641968-1 3-pin MATE & LOCK headers is provided for
output power to the elevation motor.
C) Elevation Input Header :
A 3 pin 0.156” pitch
header is provided for the input from the
elevation sensor.
D) Speed Input Header :
A 2 pin 0.156” pitch header is provided for the input from the magnetic
reed switch speed sensor.
E) Motor Controller Interface : A 10-
pin 0.1” pitch header
is provided for interfacing to the motor
controller.
F) RS-232 Interface : A DB9 Connector 9-pin PC/AT Style is provided for interfacing with the
host controller.
F) USB Interface : A Mini-B right angle USB Connector is provided for interfacing with the host
controller.
H
) Emergency Stop Switch : Two 0.187” quick connect blade terminals are provided for an
emergency stop switch input.
PHYSICAL REQUIREMENTS AND RESTRICTIONS
A) The pri
nted circuit board should be a rigid 1/16” thick, FR4, SMOBC circuit board with 2
ounce copper.
B) Galvanic isolation between the AC power circuits and the low voltage electronic circuits
should be guaranteed.
C) Outer Dimensions : 6
”T x 9”W x 2.5”D (max
).
D) Mounting position : The board shall be capable of being mounted with the PCB either parallel
or perpendicular to the bottom pan of the treadmill.
E) Environment : 0 - 70 deg. C ambient temperature.
F) High level vibrations from adjacent equipment may be present.
G) After installation into the treadmill, expect the board to experience moderate shock impulses
during shipment.
