37
FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
2 Overview (Sequence Program)
2.6 Program Memory and Devices
1
Introduction
2
Overview
3
Instruction
List
4
Devices
in Detail
5
Specified the
Device &
Constant
6
Before
Programming
7
Basic
Instruction
8
FNC00-FNC09
Program Flow
9
FNC10-FNC19
Move & Compare
10
FNC20-FNC29
Arith. & Logic
Operation
b) FX3G PLCs
*1. These registers can be changed from the general type to the latched (battery backed) type by the parameter
setting when the optional battery is installed.
*2. Some devices are cleared when the PLC status switches from STOP to RUN.
For special data registers, refer to Chapter 37.
Item Power OFF Power
OFFON STOPRUN RUNSTOP
Contact image
memory
(X, Y, M, S)
Input relay (X) Cleared.
Does not
change. Cleared.
Does not change while M8033 is
ON.
Output relay (Y) Cleared.
Does not
change. Cleared.
Does not change while M8033 is
ON.
General type auxiliary relay (M) Cleared.*1
Does not
change. Cleared.
Does not change while M8033 is
ON.
Latched (EEPROM backed) type
auxiliary relay (M) Does not change.
Special type auxiliary
relay (M) Cleared. Set to initial val-
ues.*2 Does not change.*2
General type state relay (S) Cleared.*1 Does not change.
Latched (EEPROM backed) type
state relay (S) Does not change.
Annunciator (S) Does not change.
Timer contact
Time counting coil
(T)
For 100 ms Cleared.
Does not
change. Cleared.
Does not change while M8033 is
ON.
For 10 ms Cleared.
Does not
change. Cleared.
Does not change while M8033 is
ON.
For 1 ms Cleared.
Does not
change. Cleared.
Does not change while M8033 is
ON.
Retentive type for
100 ms Does not change.
Retentive type for 1 ms Does not change.
Counter contact
Counting coil
Reset coil (C)
General type Cleared.
Does not
change. Cleared.
Does not change while M8033 is
ON.
Latched (EEPROM backed) type Cleared.
Does not
change. Cleared.
Does not change while M8033 is
ON.
High speed type Cleared.
Does not
change. Cleared.
Does not change while M8033 is
ON.