8
FX
3S
/FX
3G
/FX
3GC
/FX
3U
/FX
3UC
PLC User's Manual - Analog Control Edition
Table of Contents
D. 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-5
1.3 Connectable PLCs and Version Number .................................................................................... D-6
1.4 Compatible Programming Tool Version Number ........................................................................ D-6
2. Specifications D-7
2.1 Generic Specifications ................................................................................................................ D-7
2.2 Performance Specifications ........................................................................................................ D-8
2.3 A/D Conversion Time .................................................................................................................. D-9
2.3.1 For FX3S Series PLC .................................................................................................................. D-9
2.3.2 For FX
3G Series PLC ................................................................................................................ D-10
3. Wiring D-11
3.1 Terminal Layout ........................................................................................................................ D-12
3.2 Applicable Cables and Terminal Tightening Torque ................................................................. D-13
3.3 Analog Input Line ...................................................................................................................... D-14
3.4 Grounding ................................................................................................................................. D-14
4. Programming D-15
4.1 Loading of A/D Conversion Data............................................................................................... D-15
4.2 List of Special Devices .............................................................................................................. D-16
4.3 Switching of Input Mode............................................................................................................ D-17
4.4 Input Data.................................................................................................................................. D-17
4.5 Averaging Time ......................................................................................................................... D-18
4.6 Error Status ............................................................................................................................... D-19
4.7 Model Code............................................................................................................................... D-21
4.8 Basic Program Example............................................................................................................ D-21
5. Changing of Input Characteristics D-22
5.1 Example: Changing of Voltage Input Characteristics................................................................ D-22
6. Troubleshooting D-23
6.1 PLC Version Number Check ..................................................................................................... D-23
6.2 Checking Installation ................................................................................................................. D-23
6.3 Wiring Check............................................................................................................................. D-23
6.4 Special Device Check ............................................................................................................... D-23
6.5 Program Check ......................................................................................................................... D-24
6.6 Error Status Check.................................................................................................................... D-24