User's Manual

Illustration 1 g06065503
Machine security system (MSS3s)
(1) SAE J1939
(2) Caterpillar Data Link
(3) Machine Security System Standalone
ECM
(MSS3s)
(4) MSS Status Indicator
(5) MSS Software
(6) Keyswitch
(7) Exciter Coil
(8) MSS Electronic Key
(9) Battery 12V or 24V
(10) Relay
(11) Starter
(12) Immobilizer Software
(13) Critical System
(Transmission ECM)
(14) Critical System (Engine ECM)
(15) Communications Adapter
(16) PC Caterpillar Service Tool
(ET or
PSPS)
The MSS3s ECM for the machine security system is
a hardened computer that is designed specifically for
the MSS.
The Cat
®
electronic key for the MSS contains an
electronic chip that is embedded in the head of the
key. This chip in the head of the key contains a
unique identification number. The Cat
®
electronic key
uses the same key cut as the standard Cat
®
key. The
electronic key can be used to operate any machine
that uses the current Cat
®
keyswitch. The Cat
®
electronic key comes in a gray color or a yellow color.
Cat
®
electronic keys are not configurable.
The exciter coil of the MSS is a ring shaped device.
The exciter coil is mounted around the existing Cat
®
keyswitch. The exciter coil is used to read the ID that
is contained in the Cat
®
electronic key.
Note: Ensure that you have only one electronic
key near the exciter coil when the MSS reads the
key. If more than one electronic key is near the
exciter coil, the MSS3s ECM will not read the key
and the machine will not start.
UENR7061
5
Systems Operation Section