About This Document
© 2019 EMP, Inc. 5
About This Document
Warnings, Cautions and Notes
Two headings are used in this document to stress your safety and safe operation of the system. They are styled
with a graphic bullet and bold, uppercase text:
WARNING and CAUTION. Warnings highlight risks to
personnel — hazards, unsafe conditions and practices that can result in personal injury or death. Cautions
indicate conditions or practices that can cause damage to components, systems or other equipment.
A third heading, styled as
NOTE, calls attention to additional information about components and procedures
discussed in the document.
Definition of Terms
EMP-Link ...... EMP LIN based proprietary serial data bus.
Ignition Enable ......... Signal that commands the controller to turn on or wake-up.
PLC ............... Programmable logic controller used to replace hard-wired relays, timers and sequencers.
PWM ............. Pulse width modulation is a constant frequency square wave input signal used to communicate
a motor speed command to the controller.
TACH_OUT ... A signal provided by the component controller that, with interpretation, provides a feedback for
motor speed.
TPA ............... Terminal position assurance is a connector component that can reduce and potentially eliminate
contact back-out issues.
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