Input Data - Mitsubishi FX3U-4AD User Manual

FX /FX /FX PLC User's Manual - Analog Control Edition
3G 3U 3UC
FX -2AD-BD (2-channel analog Input)
3G
4.4

Input Data

The data converted by the 2AD-BD will be stored in the special data registers.
The special data registers that store the input data are shown in the following table:
Special data register
1st board 2nd board
D8260
D8261
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.
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.
2. Program Example
M8000
Normally
ON
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.
D8270 Stores the channel-1 input data
D8271 Stores the channel-2 input data
→ For a detailed description of the averaging time, refer to Section 4.5.
FNC 12
D8260
MOV
FNC 12
D8261
MOV
Description
Stores the channel-1 input data
D100
of the 1st analog board in the D100.
Stores the channel-2 input data
D101
of the 1st analog board in the D101
4 Programming
4.4 Input Data
Numeric data type: Decimal (K)
D-15
A
B
C
D
E
F
G
H
I
J