Mitsubishi Electronics MELSEC-F

/FX

3UC

PLC User's Manual - Analog Control Edition

Table of Contents

FX3U-4AD-PT-ADP

(4-channel Platinum Resistance Thermometer Data Input)

1. Outline I-3

1.1 Outline of Functions...................................................................................................................... I-3

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

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

1.4 Compatible Programming Tool Version Number.......................................................................... I-5

2. Specifications I-6

2.1 Generic Specifications.................................................................................................................. I-6

2.2 Power Supply Specifications.........................................................................................................I-7

2.3 Performance Specifications.......................................................................................................... I-7

2.4 A/D Conversion Time....................................................................................................................I-8

2.4.1 When connected to a FX3U, FX3UC PLC.....................................................................................I-8

2.4.2 When connected to a FX3G PLC..................................................................................................I-9

2.5 Temperature Measurement...........................................................................................................I-9

3. Wiring I-10

3.1 Terminal Layout.......................................................................................................................... I-11

3.2 Applicable Cable and Terminal Tightening Torque.....................................................................I-12

3.3 Power Supply Line......................................................................................................................I-13

3.3.1 To connect to FX3G, FX3U Series PLC.......................................................................................I-13

3.3.2 To Connect To The FX3UC Series PLC......................................................................................I-13

3.4 Selection of the Platinum Resistance Thermometer Sensor.......................................................I-14

3.5 Wiring of the Platinum Resistance Thermometer Sensor........................................................... I-14

3.6 Grounding................................................................................................................................... I-14

4. Programming I-15

4.1 Loading of A/D Conversion Data.................................................................................................I-15

4.2 List of Special Devices................................................................................................................I-17

4.3 Selection of Temperature Unit.................................................................................................... I-18

4.4 Temperature Measurement.........................................................................................................I-19

4.5 Averaging Time...........................................................................................................................I-20

4.6 Error Status.................................................................................................................................I-21

4.7 Model Code.................................................................................................................................I-24

4.8 Basic Program Example..............................................................................................................I-25

5. Troubleshooting I-26

5.1 PLC Version Number Check.......................................................................................................I-26

5.2 Wiring Check...............................................................................................................................I-26

5.3 Special Device Check................................................................................................................. I-26

5.4 Program Check........................................................................................................................... I-27

5.5 Error Status Check......................................................................................................................I-27