5
FX
3U
/FX
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