LS Industrial Systems GLOFA GM7U Series - Page 17

Chapter 1. General
1 - 5
Terms Definition Remarks
Symbolic
Variable
Variables used after the user’s definition of their names and
types. Declarations as ‘INPUT_0’ = %IX0.0.2, ‘RESULT
= %MD1234’ makes INPUT_0 and RESULT be able to used
instead of %IX0.0.2 and %MD123 in programming.
GMWIN
A peripheral device for the GLOFA-GM series. It executes
program creation, edit, compile and debugging.
FAM
Abbreviation of the word ‘Factory Automation Monitoring S/W’.
It is used to call S/W packages for process supervision.
Task
It means startup conditions for a program. There are three
types of periodic task, internal contact task and external
contact task which starts by the input signals of external input
modules.
RTC
Abbreviation of ‘Real Time Clock’. It is used to call general IC
that contains clock function.
Sink Input
Current flows from the switch to the PLC input terminal if a
input signal turns on.
Source Input
Current flows from the PLC input terminal to the switch after an
input signal turns on.
Sink Output
Current flows from the load to the output terminal and the PLC
output turn on.
Output
Contact