5
FX3U Series Programmable Controllers
User's Manual - Hardware Edition
Table of Contents
6.5 Expansion of Main Unit (Calculation of Current Consumption)..................................................... 98
6.5.1 Quick reference matrix - when only input/output devices are added
(AC Power Supply/DC Input Type) ........................................................................................... 98
6.5.2 When special extension devices are also added [calculation of current consumption]
(AC Power Supply/DC Input Type) ......................................................................................... 100
6.5.3 Quick reference matrix [when only input/output devices are added] (DC Power Type) .............. 103
6.5.4 When special extension devices are also added [calculation of current consumption]
(DC Power Type).................................................................................................................... 104
6.5.5 Quick reference matrix [when only input/output devices are added]
(AC Power Supply/AC Input Type) ......................................................................................... 107
6.5.6 When special extension devices are also added [calculation of current consumption]
(AC Power Supply/AC Input Type) ......................................................................................... 108
6.6 Expansion of FX2N Series I/O Powered Extension Unit (Calculation of Current Consumption). 111
6.6.1 Quick reference matrix (when only input/output devices are added)........................................... 111
6.6.2 When special extension devices are also added (calculation of current consumption)............... 114
6.7 Expansion of Extension Power Supply Unit (FX3U-1PSU-5V).................................................... 116
6.8 Number of Input/Output (Occupied) Points and Current Consumption....................................... 119
6.8.1 [A] Main units............................................................................................................................... 120
6.8.2 [B] Expansion boards .................................................................................................................. 122
6.8.3 [C] Special adapters .................................................................................................................... 122
6.8.4 [D] Input/output powered extension units/blocks ......................................................................... 123
6.8.5 [E] Special extension devices...................................................................................................... 124
6.8.6 [G] Display module ...................................................................................................................... 125
6.8.7 [H] Extension power supply unit .................................................................................................. 125
6.9 Example of System Configuration and System Modification....................................................... 126
6.9.1 Example system configuration..................................................................................................... 126
6.9.2 Expansion of main unit ................................................................................................................ 127
6.9.3 Re-examination of suitability for configuration............................................................................. 130
7. Assignment of Input/Output Numbers (X/Y) and Unit Numbers 135
7.1 Assignment of Input/Output Numbers (X/Y)................................................................................ 135
7.1.1 Concept of assigning................................................................................................................... 135
7.1.2 Example of assigning .................................................................................................................. 136
7.1.3 Application of I/O number label ................................................................................................... 137
7.2 Unit Numbers of Special Function Units/Blocks.......................................................................... 138
7.2.1 Concept of assigning................................................................................................................... 138
7.2.2 Example of assigning .................................................................................................................. 139
7.2.3 Application of unit number labels................................................................................................. 140
7.3 Application of the trimmer layout label ........................................................................................ 140
8. Installation In Enclosure 141
8.1 Generic Specifications ................................................................................................................ 144
8.2 Installation location...................................................................................................................... 145
8.2.1 Installation location in enclosure.................................................................................................. 145
8.2.2 Spaces in enclosure .................................................................................................................... 146
8.3 Layout in Enclosure..................................................................................................................... 147
8.3.1 1-stage layout.............................................................................................................................. 147
8.3.2 2-stage layout.............................................................................................................................. 147
8.4 Examination for Installing Method in Enclosure .......................................................................... 149
8.4.1 Installing methods........................................................................................................................ 149
8.4.2 Cautions on examining installing method .................................................................................... 149
8.4.3 Examples of installation............................................................................................................... 149
8.5 Procedures for Installing on and Detaching from DIN Rail.......................................................... 151
8.5.1 Preparation for installation........................................................................................................... 151
8.5.2 Installation of main unit................................................................................................................ 152
8.5.3 Installation of input/output powered extension unit/block and special function unit/block ........... 153
8.5.4 Removal of main unit................................................................................................................... 153
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