LG Electronics 120S user manual Terminology, Kglwin, Fam, Rtc

Chapter 1 General

1.3 Terminology

The following table gives definition of terms used in this manual.

Terms		Definition			Remarks
		A standard element that has a specified function which configures	the		Example)
					CPU module
Module		system. Devices such as I/O board, which inserted onto the mother board
					Power Supply module
		or base unit.
					I/O module
Unit		A single module or group of modules that perform an independent			Example)
		Operation as a part of PLC system.			Main unit
PLC system		A system which consists of the PLC and peripheral devices. A user program
		can control the system.
KGLWIN		A program and debugging tool for the MASTER-K series. It executes
		program creation, edit, compile and debugging(A computer software).
KLD-150S		A hand-held loader used for program creation, edit, compile and debugging
		for MASTER-K series.
I/O Image Area	Internal memory area of the CPU module which used to hold I/O statuses.
Watch Dog Timer		Supervisors the pre-set execution times of programs and warns	if	a
		program is not completed within the pre-set time.
FAM		Abbreviation of the word ‘Factory Automation Monitoring S/W’. It is used to
		call S/W packages for process supervision.
Fnet	Fieldbus network
Cnet		Computer network(RS-232C, RS-422/485)
RTC		Abbreviation of ‘Real Time Clock’. It is used to call general IC that
		contains clock function.

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