Mitsubishi Electric MELSEC-Q Structured Programming Manual page 47

FXCPU Structured Programming Manual
[Device & Common]
3. FX /FX /FX
0S 0 0N
FX /FX
0S 0
PLC
(S0 to S9 are provided for the
FX PLC
0N
FX U /FX 2C
(S0 to S9 are provided for the
PLC
(S10 to S19 are provided for
*1. This area is not latched (backed up). It can be changed to the latched (backed-up) area by parameter
setting.
*2. This area is latched (backed up). It can be changed to the non-latched (non-backed-up) area by
parameter setting.
*3. This area is fixed to the latched (backed-up) type. (The contents can be cleared by the RST and ZRST
instructions.)
*4. This area is fixed to the non-latched (non-backed-up) type. The characteristics of latch (backup)
cannot be changed.
/FX /FX PLCs
U 2C
General type Latched (backed-up) type
S0 to S63
*4
64 points
initial state.)
-
S0 to S499
*1
500 points
initial state.)
zero return.)
Fixed latched (backed-up)
-
S0 to S127
128 points
-
(S0 to S9 are provided for the
initial state.)
S500 to S899
*2
400 points
2 Devices in Detail
2.4 State Relay [S]
Annunciator type
type
- -
*3
-
S900 to S999
-
100 points
1
2
3
*2
4
5
6
7
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