Mitsubishi Electronics MELSEC-F Manuel D’Utilisation
C-19
4 Programming
4.4 Input Data
FX
3G
/FX
3U
/FX
3UC
PLC User's Manual - Analog Control Edition
FX
3U
-4AD-ADP (4-channel analog Input)
A
Comm
on I
te
te
ms
B
FX
3U
-4AD
FX
3UC
-4
A
D
C
FX
3U
-4A
D
D
-A
D
P
D
FX
3G
-2A
D
D
-BD
E
FX
3U
-4DA
F
FX
3U
-4D
A
A
-AD
P
P
G
FX
3G
-1D
A
A
-BD
H
FX
3U
-3
A-
ADP
I
FX
3U
-4
A
D
-P
T
-
A
D
P
J
FX
3U
-4A
D
D
-P
TW
-
A
A
D
P
4.4
Input Data
Numeric data type: Decimal (K)
The data converted by the 4AD-ADP will be stored in the special data registers.
The special data registers that store the input data are shown in the following table:
• FX
The special data registers that store the input data are shown in the following table:
• FX
3U
, FX
3UC
Series PLC
• FX
3G
Series PLC
The converted A/D immediate data or averaged data (data average conforming to the specified averaging
time) will be stored in the above data registers as the input data.
time) will be stored in the above data registers as the input data.
→ For a detailed description of the averaging time, refer to Section 4.5.
1. Caution regarding input data
Input data is for reading only.
Do not change (rewrite) the input data using sequence program, indicator, or device monitor of the
programming tool.
Do not change (rewrite) the input data using sequence program, indicator, or device monitor of the
programming tool.
2. Program Example (For FX
3U
, FX
3UC
Series PLC)
Even if the input data is not stored in D100 or D101, data registers D8260 or D8261 can be directly used in
the timer/counter set value or in a PID instruction.
the timer/counter set value or in a PID instruction.
Special data register
Description
1st
2nd
3rd
4th
D8260
D8270
D8280
D8290
Stores the channel-1 input data
D8261
D8271
D8281
D8291
Stores the channel-2 input data
D8262
D8272
D8282
D8292
Stores the channel-3 input data
D8263
D8273
D8283
D8293
Stores the channel-4 input data
Special data register
Description
1st
2nd
D8280
D8290
Stores the channel-1 input data
D8281
D8291
Stores the channel-2 input data
D8282
D8292
Stores the channel-3 input data
D8283
D8293
Stores the channel-4 input data
M8000
Normally
ON
FNC 12
MOV
D8260
D100
FNC 12
MOV
D8261
D101
Stores the channel-1 input data
of the 1st analog special
adapter in the D100.
Stores the channel-2 input data
of the 1st analog special
adapter in the D101.