Chapter 1 General
1-3
1.3 Terminology
The following table gives definition of terms used in this manual.
Terms Definition Remarks
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.
Example)
CPU module
Power Supply module
I/O module
Unit A single module or group of modules that perform an independent
Operation as a part of PLC system. Example)
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.