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Table Of Contents - Mitsubishi Electric MELSEC A Series User Manual

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CONTENTS
1.SPECIFICATIONS ...............................................................................................................1
1.1 SPECIFICATIONS..........................................................................................................1
2.Performance Specifications.............................................................................................2
2.1 CPU Module Performance Specifications....................................................................2
2.1.1 AnNCPU Module Performance Specifications.....................................................2
2.1.2 AnACPU Module performance specifications ......................................................4
2.1.3 AnUCPU Module Performance Specifications.....................................................7
3.EMC DIRECTIVE AND LOW-VOLTAGE INSTRUCTION.............................................9
3.1.1 EMC standards........................................................................................................9
3.1.2 Installation inside the control cabinet................................................................... 10
3.1.3 Cables.................................................................................................................... 12
3.1.4 Power supply module........................................................................................... 16
3.1.5 Ferrite core ............................................................................................................ 16
3.1.6 Noise filter (power supply line filter)..................................................................... 17
3.2 Requirement to Conform to the Low-Voltage Instruction ......................................... 18
3.2.1 Standard applied for MELSEC-A........................................................................ 18
3.2.2 Precautions when using the A series.................................................................. 18
3.2.3 Power supply......................................................................................................... 19
3.2.4 Control box ............................................................................................................ 20
3.2.5 Module installation ................................................................................................ 21
3.2.6 Grounding.............................................................................................................. 21
3.2.7 External wiring....................................................................................................... 21
4.LOADING AND INSTALLATION.................................................................................... 22
4.1 Installing Modules......................................................................................................... 22
4.1.1 Precautions for handling of modules .................................................................. 22
4.1.2 Installation environment........................................................................................ 22
4.2 The view of a Fail-safe Circuit ..................................................................................... 26
4.3 Power Supply Connection........................................................................................... 30
4.3.1 Performance Specification for Power Supply Modules..................................... 30
4.3.3 Power Supply Connection ................................................................................... 39
4.5 Part Identification.......................................................................................................... 43
4.5.1 Part identification of AnNCPU, AnACPU, and AnUCPU.................................. 43
5.I/O MODULE SPECIFICATIONS AND CONNECTIONS............................................ 52
5.1 Input Modules............................................................................................................... 52
5.1.1 Input module specifications.................................................................................. 52
5.1.2 Input module connections.................................................................................... 56
5.2 Output Modules............................................................................................................ 63
5.2.1 Output module specifications .............................................................................. 63
5.2.2 Output module connections................................................................................. 69
5.3 Input/Output Combined Modules................................................................................ 79
A-11

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