Mitsubishi MELSEC-F FX3U Series

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3UC

Series PLC User's Manual - Analog Control Edition

Table of Contents

FX3UC-4AD (4-channel Analog Input)

1. Outline B-3

1.1 Outline of Functions .....................................................................................................................B-3

1.2 Setup Procedure Before Starting Operation ................................................................................B-4

1.3 Connectable PLC and Its Version Number ..................................................................................B-5

1.4 Version Number of Compatible Programming Tool .....................................................................B-5

2. Specifications B-6

2.1 Generic Specifications .................................................................................................................B-6

2.2 Power Supply Specifications........................................................................................................B-6

2.3 Performance Specifications .........................................................................................................B-7

2.4 Input Mode (Characteristics) BFM #0 ..........................................................................................B-8

3. Wiring B-10

3.1 Terminal Arrangement ...............................................................................................................B-11

3.2 Power Supply Line .....................................................................................................................B-12

3.2.1 Connection of power cable to power connector .........................................................................B-12

3.2.2 Example of power supply circuit.................................................................................................B-13

3.2.3 Cautions regarding connection of power cables.........................................................................B-13

3.3 Cable Connection to Input Terminal and Tightening Torque .....................................................B-14

3.3.1 Analog input line.........................................................................................................................B-15

3.4 Grounding ..................................................................................................................................B-15

4. Analog Data Reading B-16

4.1 Procedure for Reading Out of Analog Data ...............................................................................B-16

5. Buffer Memory (BFM) B-18

5.1 Assignment of Unit Numbers and Outline of Buffer Memory .....................................................B-18

5.2 Buffer Memory Reading/Writing Method ....................................................................................B-19

5.2.1 Buffer memory direct specification .............................................................................................B-19

5.2.2 FROM/TO instruction (conventional method).............................................................................B-19

5.3 List of Buffer Memories (BFM) ...................................................................................................B-21

Mitsubishi MELSEC-F FX3U Series - Page 9