1-3-1 Overall Procedure .....................................................................................................................1-14
1-3-2 Procedure Details
......................................................................................................................1-15
Section 2 System Configuration
2-1 Basic System Configuration .................................................................................................2-2
2-1-1 EtherCA
T Network Configuration ................................................................................................2-3
2-1-2 NX Unit Configuration .................................................................................................................2-4
2-2 Connecting to the Sysmac Studio........................................................................................2-7
2-3 Network Configuration ..........................................................................................................2-8
Section 3 Configuration Units
3-1 CPU Units ...............................................................................................................................3-2
3-1-1 Models and Specifications
..........................................................................................................3-2
3-1-2 Part Names and Functions..........................................................................................................3-5
3-1-3 Operation Status Indicators.........................................................................................................3-7
3-1-4 Terminal Blocks .........................................................................................................................3-12
3-1-5 Battery.......................................................................................................................................3-18
3-1-6 ID Information Indication ...........................................................................................................3-20
3-2 SD Memory Cards ................................................................................................................3-21
3-2-1 Models and Specifications ........................................................................................................3-21
3-2-2 Purpose.....................................................................................................................................3-21
3-3 Serial Communications Option Board ...............................................................................3-22
3-3-1 Models and Specifications ........................................................................................................3-22
3-3-2 Purpose.....................................................................................................................................3-23
3-3-3 Part Names and Functions........................................................................................................3-23
3-4 Analog I/O Option Board .....................................................................................................3-26
3-4-1 Models and Specifications ........................................................................................................3-26
3-4-2 Purpose.....................................................................................................................................3-27
3-4-3 Part Names and Functions........................................................................................................3-27
3-5 Power Supply-related Units ................................................................................................3-31
3-6 NX Units ................................................................................................................................3-32
3-7 Sysmac Studio .....................................................................................................................3-33
3-7-1 Model Numbers.........................................................................................................................3-33
3-7-2 Connection ................................................................................................................................3-33
Section 4 Designing the Power Supply System
4-1 Power Supply System ...........................................................................................................4-2
4-1-1 NX Unit Power Supply and I/O Power Supply.............................................................................4-2
4-1-2 NX-series Power Supply-related Units........................................................................................4-3
4-2 Designing the NX Unit Power Supply System...................................................................4-10
4-2-1 Procedure for Designing the NX Unit Power Supply System....................................................4-10
4-2-2 Calculation Example for the NX Unit Power Supply.................................................................. 4-11
4-3 Designing the I/O Power Supply System...........................................................................4-13
4-3-1 I/O Power Supply Method .........................................................................................................4-13
4-3-2 Designing the I/O Power Supply from the NX Bus....................................................................4-14
4-3-3 Designing the I/O Power Supply from External Sources...........................................................4-19
4-3-4 Designing I/O Power Supply for the Built-in I/O ........................................................................4-19
4-3-5 Restrictions on Inrush Current for ON/OFF Operation..............................................................4-21
4-4 Selecting External Power Supplies and Protective Devices............................................4-22
4-4-1 Selecting the Unit Power Supply...............................................................................................4-22
CONTENTS
9
NX-series NX1P2 CPU Unit Hardware User’s Manual (W578)