Programming; Loading Of A/D Conversion Data - Mitsubishi Electric MELSEC-FX3S Series Manual

FX /FX /FX /FX /FX
3S 3G 3GC 3U 3UC
FX -2AD-BD (2-channel Analog Input)
3G
4.

Programming

This chapter describes how to create programs that can read analog data using the 2AD-BD.
4.1

Loading of A/D Conversion Data

1) The input analog data will be converted into digital data and then stored in the special devices of the
FX /FX Series PLC.
3S 3G
2) If the data is stored in the special devices, the averaging time can be set, and the input mode can be
specified.
3) In the FX
3G
registers (10 points) are assigned to each analog expansion board, board A and B connected to option
connector 1 and 2 respectively, in that order.
In the FX
3G
points) and special data registers (10 points) are assigned.
• FX Series PLC
3S
• FX Series PLC
3G
Option connector 1
The analog expansion board connected to option connector 1 is regarded as the "board A", and the analog
expansion board connected to option connector 2 is regarded as the "board B".
*1. Board B is not available in the FX
PLC User's Manual - Analog Control Edition
Series PLC (40-point or 60-point type), special auxiliary relays (10 points) and special data
Series PLC (14-point or 24-point type) and FX
→ For a detailed description of special device assignment, refer to Section 4.2.
FX
Sequence Program
Special auxiliary relays:
M8260 to M8269
Special data register:
D8260 to D8269
Option connector
FX
Sequence Program
Special auxiliary relays:
M8260 to M8269
Special data register:
D8260 to D8269
A/D
FX -2AD-BD
3G
Board A
Series PLC (14-point and 24-point type).
3G
Series PLC, special auxiliary relays (10
3S
Series PLC
3S
A/D
FX -2AD-BD
3G
Series PLC
3G
Special auxiliary relays:
M8270 to M8279
Special data register:
D8270 to D8279
A/D
FX -2AD-BD
3G
*1
Board B
4 Programming
4.1 Loading of A/D Conversion Data
Option connector 2
A
B
C
D
E
F
G
H
I
J
D-15