5
FX3U Series Programmable Controllers
User's Manual - Hardware Edition
Table of Contents
6.5 Expansion of Main Unit (Calculation of Current Consumption)..................................................... 85
6.5.1 Quick reference matrix - when only input/output devices are added (AC Power Type) ................85
6.5.2 When special extension devices are also added
[calculation of current consumption] (AC Power Type)............................................................. 87
6.5.3 Quick reference matrix [when only input/output devices are added] (DC Power Type) ................ 90
6.5.4 When special extension devices are also added
[calculation of current consumption] (DC Power Type) ............................................................ 91
6.6 Expansion of FX2N Series I/O Powered Extension Unit (Calculation of Current Consumption)... 94
6.6.1 Quick reference matrix (when only input/output devices are added)............................................. 94
6.6.2 When special extension devices are also added (calculation of current consumption)................. 97
6.7 Expansion of Extension Power Supply Unit (FX3U-1PSU-5V)...................................................... 99
6.8 Number of Input/Output (Occupied) Points and Current Consumption....................................... 102
6.8.1 [A] Main units............................................................................................................................... 103
6.8.2 [B] Expansion boards .................................................................................................................. 104
6.8.3 [C] Special adapters .................................................................................................................... 104
6.8.4 [D] Input/output powered extension units/blocks......................................................................... 105
6.8.5 [E] Special extension devices...................................................................................................... 106
6.8.6 [G] Display module ...................................................................................................................... 107
6.8.7 [H] Extension power supply unit .................................................................................................. 107
6.9 Example of System Configuration and System Modification....................................................... 108
6.9.1 Example system configuration..................................................................................................... 108
6.9.2 Expansion of main unit ................................................................................................................ 109
6.9.3 Re-examination of suitability for configuration............................................................................. 112
7. Assignment of Input/Output Numbers (X/Y) and Unit Numbers 117
7.1 Assignment of Input/Output Numbers (X/Y)................................................................................ 117
7.1.1 Concept of assigning................................................................................................................... 117
7.1.2 Example of assigning .................................................................................................................. 118
7.1.3 Application of I/O number label ................................................................................................... 119
7.2 Unit Numbers of Special Function Units/Blocks.......................................................................... 120
7.2.1 Concept of assigning................................................................................................................... 120
7.2.2 Example of assigning .................................................................................................................. 121
7.2.3 Application of unit number labels................................................................................................. 122
8. Installation In Enclosure 123
8.1 Generic Specifications ................................................................................................................ 126
8.2 Installation location...................................................................................................................... 127
8.2.1 Installation location in enclosure.................................................................................................. 127
8.2.2 Spaces in enclosure .................................................................................................................... 128
8.3 Layout in Enclosure..................................................................................................................... 129
8.3.1 1-stage layout.............................................................................................................................. 129
8.3.2 2-stage layout.............................................................................................................................. 129
8.4 Examination for Installing Method in Enclosure .......................................................................... 131
8.4.1 Installing methods........................................................................................................................ 131
8.4.2 Cautions in examining installing method ..................................................................................... 131
8.4.3 Examples of installation............................................................................................................... 131
8.5 Procedures for Installing on and Detaching from DIN Rail.......................................................... 133
8.5.1 Preparation for installation........................................................................................................... 133
8.5.2 Installation of main unit................................................................................................................ 134
8.5.3 Installation of input/output powered extension unit/block and special function unit/block ........... 135
8.5.4 Removal of main unit................................................................................................................... 135
8.6 Procedures for Installing Directly (with M4 Screws).................................................................... 137
8.6.1 Hole pitches for direct mounting.................................................................................................. 137
8.6.2 Example of mounting hole pitches............................................................................................... 139
8.6.3 Installation of main unit................................................................................................................ 140
8.6.4 Installation of input/output powered extension unit/block and special function unit/block ........... 140