Mitsubishi Electric FX3G User Manual page 15

FX /FX /FX /FX /FX
3S 3G 3GC 3U
E. FX -4DA (4-channel Analog Output)
3U
1. Outline
1.1 Outline of Functions .....................................................................................................................E-3
1.2 Setup Procedure Before Starting Operation ................................................................................E-4
1.3 Connectable PLCs and Version Number .....................................................................................E-5
1.4 Compatible Programming Tool Version Number .........................................................................E-5
2. Specifications
2.1 Generic Specifications .................................................................................................................E-6
2.2 Power Supply Specifications........................................................................................................E-7
2.3 Performance Specifications .........................................................................................................E-7
2.4 Output Mode (Characteristics) BFM#0.........................................................................................E-8
3. Wiring
3.1 Terminal Layout .........................................................................................................................E-10
3.2 Cable and Terminal Tightening Torque......................................................................................E-10
3.3 Wiring to Power Supply Terminals .............................................................................................E-11
3.3.1 Examples of Power Supply Circuit .............................................................................................E-11
3.3.2 Cautions regarding wiring to the power supply terminals ...........................................................E-11
3.4 Analog Output Wiring .................................................................................................................E-12
3.5 Grounding ..................................................................................................................................E-12
4. Analog Output
4.1 Analog Output Procedures.........................................................................................................E-13
5. Buffer Memory (BFM)
5.1 Assignment of Unit Numbers and Outline of Buffer Memory .....................................................E-15
5.2 Buffer Memory Reading/Writing Method ....................................................................................E-17
5.2.1 Buffer memory direct specification (FX
5.2.2 FROM/TO instruction (FX
5.3 Buffer Memory List (BFM) ..........................................................................................................E-18
5.4 Buffer Memory Details................................................................................................................E-21
5.4.1 BFM#0: Output mode specification ............................................................................................E-21
5.4.2 BFM#1 to #4: Output data ..........................................................................................................E-22
5.4.3 BFM#5: Output setting upon PLC stop.......................................................................................E-22
5.4.4 BFM#6: Output status.................................................................................................................E-23
5.4.5 BFM#9: Offset/gain setting value write command ......................................................................E-24
5.4.6 BFM#10 to #13: Offset data/BFM#14 to #17: Gain data ............................................................E-25
5.4.7 BFM#19: Data change prohibition of setting change..................................................................E-26
5.4.8 BFM#20: Initialization function (resetting to factory default status) ............................................E-27
5.4.9 BFM#28: Disconnection detection status (only in current output mode) ....................................E-27
5.4.10 BFM#29: Error status ...............................................................................................................E-28
5.4.11 BFM#30: Model code ...............................................................................................................E-29
5.4.12 BFM#32 to #35: Data to be output upon PLC stop...................................................................E-29
5.4.13 BFM#38: Upper/lower limit function setting ..............................................................................E-30
5.4.14 BFM#39: Upper/lower limit function status ...............................................................................E-31
5.4.15 BFM#40: Clearance of upper/lower limit function status ..........................................................E-31
5.4.16 BFM#41 to #44: Lower limit values of upper/lower limit function
BFM#45 to #48: Upper limit values of upper/lower limit function..............................................E-32
PLC User's Manual - Analog Control Edition
3UC
/FX
3G 3GC
/FX PLC only)......................................................E-17
3U 3UC
/FX /FX PLC) ...........................................................E-17
3U 3UC
Table of Contents
E-3
E-6
E-9
E-13
E-15
9