Mitsubishi Electronics MELSEC-F Manuel D’Utilisation

1 Outline

FX

3G

/FX

3U

/FX

3UC

 PLC User's Manual - Analog Control Edition

FX

3U

-4AD/FX

3UC

-4AD (4-channel Analog Input)

Before starting to use the 4AD, follow the procedure below to set up the system:

Specifications:

• Operation environment

• Performance specifications

• Input characteristics

Check of specifications

Refer to Chapter 2.

System configuration and selection

Wiring

Refer to Chapter 3.

FX

3U

-4AD/FX

3UC

-4AD

Refer to the common

 pages.

Wiring:

• Power supply line

• Analog input line

Outline of system:

• Version number of compatible PLC

• Version number of compatible
   programming tool

Outline

Refer to Chapter 1.

System configuration:
(Refer to the analog control common
pages.)

• Selection of units

Program edit:

• Basic program

• Convenient function program

If the error status data or the input analog value is
abnormal, refer to Chapter 8 "Troubleshooting."

Program edit

Adjustment of input characteristics

Refer to Chapter 6.

Adjustment of input characteristics:

• Input characteristics change procedure

Buffer memory (BFM) check

Refer to Chapter 5.

Buffer memory:

• Buffer memory read/write method

• List of buffer memories

• Details of buffer memory

Refer to Chapter 7.

Analog data reading (test program)

Refer to Chapter 4.

Input mode specification:

• Input mode specification program for
  channel 1 to 4