LSIS XP40-TTA - Page 15

Chapter 1. General Introduction
1-6
1.3 Terminology
It describes terms used in this manual.
Term Definition Example
Module
A standard element that has a specified function which configures the system.
Devices such as I/O board, which inserted onto the mother board or base unit.
Ex.) CPU module
Power module,
I/O module
Unit
A single module or group of modules that perform an independent
operation as a part of PLC system.
Ex.) Basic unit,
Extension unit
PLC system
System consisted of PLC and peripheral device which can be controlled by
user program.
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XP-Builder Software used to write and edit the project. -
Cnet module Computer Link -
FEnet module Fast Ethernet Network -
RTC
Abbreviation of ‘Real Time Clock’. It is used to call general IC that contains
clock function.
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