Mitsubishi Electronics Mitsubishi Digital Electronics Video Gaming Accessories FX3G Benutzerhandbuch
89
FX
3G
/FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
4 Devices in Detail
4.4 State Relay [S]
1
In
trodu
ct
ct
ion
2
O
ver
vi
ew
3
In
st
ru
ct
ion
Li
st
4
D
evices
in D
etail
etail
5
Specifi
ed t
he
he
D
evice &
C
onst
ant
ant
6
Bef
ore
ore
Pr
ogr
am
am
m
ing
7
B
asic
In
st
ru
ct
ion
8
FNC0
0-F
0-F
NC0
9
Pr
ogr
am
Flow
am
Flow
9
FN
C
C
10-FN
C
19
Mo
ve
ve
&
Co
mp
are
are
10
FNC2
0-F
0-F
NC2
9
Ar
ith.
&
&
Logic
O
per
ati
ati
on
4.4
State Relay [S]
State relays (S) are important devices to program stepping type process control simply, and combined with the step
ladder instruction STL.
State relays can be used in the SFC (sequential function chart) programming method.
ladder instruction STL.
State relays can be used in the SFC (sequential function chart) programming method.
→ For programming by the step ladder instruction and SFC method, refer to Chapter 35.
4.4.1
Numbers of state relays
The table below shows state relay (S) numbers. (Numbers are assigned in decimal.)
1. FX
3U
/FX
3UC
PLC
2. FX
3G
PLCs
*1.
This area is not latched (battery backed). It can be changed to a latched (battery backed) area by setting the
parameters.
parameters.
*2.
This area is latched (battery backed). It can be changed to a non-latched (non-battery-backed) area by setting
the parameters.
the parameters.
*3.
The characteristics of latch (battery backup) cannot be changed in the parameters.
*4.
These registers can be changed to the latched (battery backed) type by the parameter setting when the
optional battery is used. However, the latched range cannot be set.
optional battery is used. However, the latched range cannot be set.
Initial state type
General type
Latched (battery
backed) type
Fixed latched (battery
backed) type
Annunciator type
S0 to S9
10 points
*1
S0 to S499
500 points
*1
S500 to S899
400 points
*2
S1000 to S4095
3096 points
*3
S900 to S999
100 points
*2
Initial state type
(EEPROM keep)
(EEPROM keep)
Fixed latched
(EEPROM keep) type
Annunciator type
(EEPROM keep)
General type
S0 to S9
10 points
S10 to S899
890 points
S900 to S999
100 points
S1000 to S4095
3096 points
*4