5
FX3G Series Programmable Controllers
User's Manual - Hardware Edition
Table of Contents
7.2 Unit Numbers of Special Function Blocks ..................................................................................... 77
7.2.1 Concept of assigning..................................................................................................................... 77
7.2.2 Example of assigning .................................................................................................................... 77
7.2.3 Application of unit number labels................................................................................................... 78
7.3 Assignment of Communication Channels ..................................................................................... 79
7.3.1 Assignment of communication channels ....................................................................................... 79
7.4 "Station No." Label of Expansion Board (FX3G-485-BD) .............................................................. 80
7.5 Trimmer Layout Label of Expansion Board (FX
3G-8AV-BD) ........................................................ 80
8. Installation In Enclosure 81
8.1 Installation location........................................................................................................................ 84
8.1.1 Installation location in enclosure.................................................................................................... 84
8.1.2 Spaces in enclosure ...................................................................................................................... 85
8.2 Layout in Enclosure....................................................................................................................... 85
8.2.1 1-stage layout................................................................................................................................ 85
8.2.2 2-stage layout................................................................................................................................ 86
8.3 Examination for Installing Method in Enclosure ............................................................................ 87
8.3.1 Installing methods.......................................................................................................................... 87
8.3.2 Cautions in examining installing method ....................................................................................... 87
8.3.3 Examples of installation................................................................................................................. 87
8.4 Procedures for Installing on and Detaching from DIN Rail............................................................ 89
8.4.1 Preparation for installation............................................................................................................. 89
8.4.2 Installation of main unit.................................................................................................................. 90
8.4.3 Installation of input/output powered extension unit/block and special function block .................... 91
8.4.4 Removal of main unit..................................................................................................................... 92
8.5 Procedures for Installing Directly (with M4 Screws)...................................................................... 93
8.5.1 Hole pitches for direct mounting.................................................................................................... 93
8.5.2 Example of mounting hole pitches................................................................................................. 94
8.5.3 Installation of main unit.................................................................................................................. 95
8.5.4 Installation of input/output powered extension unit/block and special function block .................... 95
8.6 Connecting Methods for Main Unit and Extension Devices .......................................................... 96
8.6.1 Connection of extension devices................................................................................................... 96
8.6.2 Connecting method A - connection of expansion board................................................................ 97
8.6.3 Connecting method A - connection of connector conversion adapter........................................... 98
8.6.4 Connecting method C - connection of special adapter................................................................ 100
8.6.5 Connecting method D - connection of powered extension units/blocks to main unit................... 100
8.6.6 Connecting method E - connection of powered extension units/blocks ...................................... 101
8.6.7 Connecting method F - connection of extension cable and FX
2N-CNV-BC................................ 101
8.6.8 Connecting method G - connection of input/output powered extension unit ............................... 102
8.6.9 Connecting method H - connection of extension block to input/output powered
extension unit .............................................................................................................................. 102
9. Preparation for Wiring and Power Supply Wiring Procedures 103
9.1 Preparation for Wiring ................................................................................................................. 105
9.1.1 Wiring procedures ....................................................................................................................... 105
9.1.2 Removal and installation of quick-release terminal block............................................................ 105
9.2 Cable Connecting Procedures .................................................................................................... 106
9.2.1 Input/output terminal block (power supply and input/output wiring)............................................. 106
9.2.2 Input/output connectors (FX2N input/output extension blocks) ................................................... 108
9.2.3 Terminal block (for europe) [expansion board and special adapters].......................................... 109
9.3 Grounding ................................................................................................................................... 110
9.4 Examples of External Wiring ....................................................................................................... 111
9.4.1 Example of input/output wiring with 24V DC service power supply............................................. 111
9.4.2 Example of sink input [-common] wiring...................................................................................... 112
9.4.3 Example of source input [+common] wiring................................................................................. 113
9.4.4 An external wiring example for the extension power supply unit (sink input [-common]) ............ 114
9.4.5 An external wiring example for the extension power supply unit (source input [+common])....... 115