1-2-2 System Configuration of Slave Terminals ...................................................................................1-5
1-2-3 System Configuration in the Case of a Communication Control Unit..........................................
1-7
1-3 Model List .............................................................................................................................1-10
1-3-1 Model Notation ..........................................................................................................................1-10
1-3-2 Additional NX Unit Power Supply Unit ......................................................................................1-11
1-3-3 Additional I/O Power Supply Unit ..............................................................................................1-11
1-3-4 I/O Power Supply Connection Unit............................................................................................ 1-11
1-3-5 Shield Connection Unit.............................................................................................................. 1-11
1-4 Support Software .................................................................................................................1-13
Section 2 Specifications
2-1 General Specifications ..........................................................................................................2-2
2-2 Individual Specifications
.......................................................................................................2-3
Section 3 Part Names and Functions
3-1 Names of Power Supply-related Unit Parts .........................................................................3-2
3-1-1 Screwless Clamping T
erminal Block Type ..................................................................................3-2
3-1-2 Indicators.....................................................................................................................................3-6
3-2 Names of Shield Connection Unit Parts ..............................................................................3-9
3-2-1 Screwless Clamping Terminal Block Type ..................................................................................3-9
3-2-2 Indicators...................................................................................................................................3-12
Section 4 Installation and Wiring
4-1 Installing NX Units .................................................................................................................4-2
4-1-1 Installing NX Units.......................................................................................................................4-2
4-1-2 Attaching Markers .......................................................................................................................4-5
4-1-3 Removing NX Units.....................................................................................................................4-6
4-1-4 Installation Orientation ................................................................................................................4-7
4-2 Wiring the Power Supply to the CPU Unit ...........................................................................4-9
4-2-1 Power Supply Types ...................................................................................................................4-9
4-2-2 Supplying Each Power Supply and Wiring..................................................................................4-9
4-2-3 Power Supply-related Units and Wiring Methods......................................................................4-12
4-3 Wiring the Power Supply to the Slave Terminal................................................................4-15
4-3-1 Power Supply Types .................................................................................................................4-15
4-3-2 Supplying Each Power Supply and Wiring................................................................................4-15
4-3-3 Power Supply-related Units and Wiring Methods......................................................................4-17
4-4 Wiring the Power Supply to the Communication Control Unit........................................4-20
4-4-1 Power Supply Types .................................................................................................................4-20
4-4-2 Supplying Each Power Supply and Wiring................................................................................4-20
4-4-3 Power Supply-related Units and Wiring Methods......................................................................4-22
4-5 Wiring of Grounding ............................................................................................................4-25
4-6 Wiring the Additional Power Supply Units ........................................................................4-27
4-6-1 Wiring the Additional NX Unit Power Supply Unit .....................................................................4-28
4-6-2 Wiring the Additional I/O Power Supply Unit.............................................................................4-32
4-6-3 Protective Devices ....................................................................................................................4-38
4-7 Wiring the I/O Power Supply Connection Unit ..................................................................4-40
4-8 Wiring the Shield Connection Unit.....................................................................................4-44
4-9 Wiring the Terminals............................................................................................................4-45
4-9-1 Wiring to the Screwless Clamping Terminal Blocks ..................................................................4-45
4-9-2 Preventing Incorrect Attachment of Terminal Blocks.................................................................4-55
CONTENTS
11
NX-series System Units User's Manual (W523)
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