Mitsubishi Electric MELSEQ FX3S Series User Manual page 12

FX Series Programmable Controllers
3S
User's Manual - Hardware Edition
11. Use of Built-in Analog
11.1 Outline......................................................................................................................................... 99
11.2 Built-in variable analog potentiometer function ........................................................................... 99
11.2.1 Outline of functions...................................................................................................................... 99
11.2.2 Applicable PLC ............................................................................................................................ 99
11.2.3 Special data register.................................................................................................................... 99
11.2.4 Use example of variable analog potentiometer ......................................................................... 100
11.3 Built-in analog input function ..................................................................................................... 101
11.3.1 Outline of functions.................................................................................................................... 101
11.3.2 Applicable PLC .......................................................................................................................... 101
11.3.3 Analog input performance specifications................................................................................... 101
11.3.4 Analog input terminal block ....................................................................................................... 102
11.3.5 Terminal layout .......................................................................................................................... 103
11.3.6 Analog input line ........................................................................................................................ 103
11.3.7 Special data register.................................................................................................................. 103
11.3.8 Program example ...................................................................................................................... 105
11.3.9 Changing of input characteristics .............................................................................................. 105
11.3.10 Troubleshooting when using built-in analog input ................................................................... 106
12. Output Wiring Procedures
12.1 External Wiring for Relay Output Type...................................................................................... 110
12.1.1 Product life of relay contacts ..................................................................................................... 110
12.1.2 Handling of relay output............................................................................................................. 110
12.1.3 External wiring precautions ....................................................................................................... 111
12.1.4 Example of external wiring ........................................................................................................ 112
12.2 External Wiring of Transistor Output (Sink/Source) Type ......................................................... 113
12.2.1 Transistor Output Sink and Source ........................................................................................... 113
12.2.2 Handling of transistor output...................................................................................................... 113
12.2.3 External wiring precautions ....................................................................................................... 115
12.2.4 Example of external wiring ........................................................................................................ 116
13. Examples of Wiring for Various Uses
13.1 Notes about Examples of Wiring............................................................................................... 119
13.2 Digital Switch [DSW Instruction (FNC 72)/BIN Instruction (FNC 19)] ....................................... 120
13.2.1 When DSW instruction (FNC 72) is used .................................................................................. 120
13.2.2 When BIN instruction (FNC 19) is used..................................................................................... 121
13.3 Input Matrix [MTR Instruction (FNC 52)] ................................................................................... 122
13.4 Seven Segment with Latch [SEGL Instruction (FNC 74)/BCD Instruction (FNC 18)] ............... 123
13.4.1 When SEGL instruction (FNC 74) is used ................................................................................. 123
13.4.2 When BCD instruction (FNC 18) is used ................................................................................... 124
14. Test Operation, Adjustment, Maintenance and Troubleshooting
14.1 Preparation for Test Operation.................................................................................................. 126
14.1.1 Preliminary inspection [power OFF] .......................................................................................... 126
14.1.2 Connection to peripheral device connecting connector (RS-422) ............................................. 126
14.1.3 Connection to peripheral device connecting connector (USB) .................................................. 127
14.1.4 Writing of program and program check [power ON and PLC stopped] ..................................... 127
14.2 Running and Stopping Procedures [Power ON]........................................................................ 128
14.2.1 Methods of running and stopping .............................................................................................. 128
14.2.2 Use of several running/stopping methods ................................................................................. 129
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