Mitsubishi Electric FX3G User Manual page 11

FX /FX /FX /FX /FX
3S 3G 3GC 3U
B. FX -4AD (4-channel Analog Input)
3U
FX -4AD (4-channel Analog Input)
3UC
1. Outline
1.1 Outline of Functions .....................................................................................................................B-3
1.2 Setup Procedure Before Starting Operation ................................................................................B-4
1.3 Connectable PLC and Version Numbers .....................................................................................B-5
1.4 Compatible Programming Tool Version Number .........................................................................B-5
2. Specifications
2.1 Generic Specifications .................................................................................................................B-6
2.2 Power Supply Specifications........................................................................................................B-7
2.3 Performance Specifications .........................................................................................................B-7
2.4 Input Mode (Characteristics) BFM#0 ...........................................................................................B-8
3. Wiring
3.1 Terminal Layout .........................................................................................................................B-10
3.2 Cable and Terminal Tightening Torque......................................................................................B-11
3.2.1 Power cable (FX
3.2.2 Cable (FX
3.2.3 Cable (FX
3.3 Examples of Power Supply Circuit .............................................................................................B-13
3.3.1 FX -4AD...................................................................................................................................B-13
3U
3.3.2 FX
3UC
3.3.3 Cautions regarding connection of power cables.........................................................................B-14
3.4 Analog Input Line .......................................................................................................................B-15
3.4.1 FX -4AD...................................................................................................................................B-15
3U
3.4.2 FX
3UC
3.5 Grounding ..................................................................................................................................B-16
4. Analog Input
4.1 Analog Input Procedures............................................................................................................B-17
5. Buffer Memory (BFM)
5.1 Assignment of Unit Numbers and Outline of Buffer Memory .....................................................B-19
5.2 Buffer Memory Reading/Writing Method ....................................................................................B-21
5.2.1 Buffer memory direct specification (FX
5.2.2 FROM/TO instruction (FX
5.3 Buffer Memory List (BFM) ..........................................................................................................B-22
5.4 Buffer Memory Details................................................................................................................B-26
5.4.1 BFM#0: Input mode specification ...............................................................................................B-26
5.4.2 BFM#2 to #5: Averaging time .....................................................................................................B-27
5.4.3 BFM#6 to #9: Digital filter setting................................................................................................B-28
5.4.4 BFM#10 to #13: Channel data....................................................................................................B-29
5.4.5 BFM#19: Data change disable ...................................................................................................B-30
5.4.6 BFM#20: Initialization function (resetting to factory default status) ............................................B-30
5.4.7 BFM#21: Input characteristics writing.........................................................................................B-30
5.4.8 BFM#22: Convenient function setting.........................................................................................B-31
5.4.9 BFM#26: Upper/lower limit error status ......................................................................................B-33
5.4.10 BFM#27: Abrupt change detection status ................................................................................B-34
PLC User's Manual - Analog Control Edition
3UC
-4AD) .........................................................................................................B-11
3UC
-4AD) ......................................................................................................................B-11
3U
-4AD)....................................................................................................................B-12
3UC
-4AD ................................................................................................................................B-14
-4AD ................................................................................................................................B-16
/FX
3G 3GC
/FX PLC only)......................................................B-21
3U 3UC
/FX /FX PLC) ...........................................................B-21
3U 3UC
Table of Contents
B-3
B-6
B-9
B-17
B-19
5