Programming - Mitsubishi FX3U-4AD User Manual

FX /FX /FX PLC User's Manual - Analog Control Edition
3G 3U 3UC
FX -1DA-BD (1-channel analog Output)
3G
4.

Programming

This chapter describes how to create programs that can output the analog data using the 1DA-BD.
4.1 Writing of D/A Conversion Data
1) The input digital data will be converted into analog data and then output to the terminals.
2) If data is stored in the special devices, the averaging time can be set, and the output mode can be
specified.
3) Special auxiliary relays (10 points) and special data registers (10 points) are assigned respectively to the
analog expansion board connected to the option connector 1 and the analog expansion board connected
to the option connector 2 in this order.
• FX Series PLC
3G
Special auxiliary relays:
M8260 to M8269
Special data register:
D8260 to D8269
Option connector 1
The analog expansion board connected to the option connector 1 is regarded as the 1st unit, and the
analog expansion board connected to the option connector 2 is regarded as the 2nd unit.
*1. The second analog expansion board is not available in the 14-point and 24-point type main unit.
→ For a detailed description of special device assignment, refer to Section 4.2.
FX Series PLC
3G
Sequence Program
Special auxiliary relays:
D/A
FX -1DA-BD
3G
1st
M8270 to M8279
Special data register:
D8270 to D8279
Option connector 2
D/A
FX -1DA-BD
3G
*1
2nd
4 Programming
4.1 Writing of D/A Conversion Data
G-13
A
B
C
D
E
F
G
H
I
J