Mitsubishi Electronics MELSEC-F

/FX

3UC

PLC User's Manual - Analog Control Edition

Table of Contents

FX3G-2AD-BD (2-channel analog Input)

1. Outline D-3

1.1 Outline of Functions.................................................................................................................... D-3

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

1.3 Connectable PLCs and Version Number.................................................................................... D-5

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

2. Specifications D-6

2.1 Generic Specifications................................................................................................................ D-6

2.2 Performance Specifications........................................................................................................ D-7

2.3 A/D Conversion Time.................................................................................................................. D-8

3. Wiring D-9

3.1 Terminal Layout........................................................................................................................ D-10

3.2 Applicable Cables and Terminal Tightening Torque................................................................. D-11

3.3 Analog Input Line...................................................................................................................... D-12

3.4 Grounding................................................................................................................................. D-12

4. Programming D-13

4.1 Loading of A/D Conversion Data...............................................................................................D-13

4.2 List of Special Devices.............................................................................................................. D-14

4.3 Switching of Input Mode............................................................................................................D-14

4.4 Input Data..................................................................................................................................D-15

4.5 Averaging Time......................................................................................................................... D-16

4.6 Error Status............................................................................................................................... D-17

4.7 Model Code............................................................................................................................... D-19

4.8 Basic Program Example............................................................................................................D-19

5. Changing of Input Characteristics D-20

5.1 Example: Changing of Voltage Input Characteristics................................................................ D-20

6. Troubleshooting D-21

6.1 PLC Version Number Check..................................................................................................... D-21

6.2 Checking Installation................................................................................................................. D-21

6.3 Wiring Check.............................................................................................................................D-21

6.4 Special Device Check............................................................................................................... D-21

6.5 Program Check......................................................................................................................... D-22

6.6 Error Status Check.................................................................................................................... D-22