1-3-1 Overall Procedure .....................................................................................................................1-15
1-3-2 Procedure Details
......................................................................................................................1-16
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
2-1-3 X Bus Unit Configuration.............................................................................................................2-5
2-2 Connecting to the Sysmac Studio........................................................................................2-8
2-3 Network Configuration ..........................................................................................................2-9
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..........................................................................................................3-4
3-1-3 DIP Switch...................................................................................................................................3-5
3-1-4 Operation Status Indicators.........................................................................................................3-6
3-1-5 Terminal Blocks ...........................................................................................................................3-9
3-1-6 Battery.......................................................................................................................................3-10
3-1-7 Fan ............................................................................................................................................3-12
3-1-8 ID Information Indication ...........................................................................................................3-12
3-2 SD Memory Cards ................................................................................................................3-14
3-2-1 Models and Specifications ........................................................................................................3-14
3-2-2 Purpose.....................................................................................................................................3-14
3-3 Power Supply-related Units ................................................................................................3-15
3-4 NX Units ................................................................................................................................3-16
3-5 X Bus Units...........................................................................................................................3-17
3-6 Sysmac Studio .....................................................................................................................3-18
3-6-1 Model Numbers.........................................................................................................................3-18
3-6-2 Connection ................................................................................................................................3-18
Section 4 Designing the Power Supply System
4-1 Power Supply System ...........................................................................................................4-2
4-1-1 Unit Power Supply and I/O Power Supply...................................................................................4-2
4-1-2 NX-series Power Supply-related Units........................................................................................4-4
4-1-3 X Bus Unit Power Supply ............................................................................................................4-9
4-2 Designing the NX Unit Power Supply System................................................................... 4-11
4-2-1 Procedure for Designing the NX Unit Power Supply System....................................................4-11
4-2-2 Calculation Example for the NX Unit Power Supply..................................................................4-12
4-3 Designing the I/O Power Supply System...........................................................................4-14
4-3-1 I/O Power Supply Method .........................................................................................................4-14
4-3-2 Designing the I/O Power Supply from the NX Bus....................................................................4-15
4-3-3 Designing the I/O Power Supply from External Sources...........................................................4-20
4-3-4 Restrictions on Inrush Current for ON/OFF Operation..............................................................4-20
4-4 Selecting External Power Supplies and Protective Devices............................................4-22
4-4-1 Selecting the Unit Power Supply...............................................................................................4-22
4-4-2 Selecting the I/O Power Supplies..............................................................................................4-24
4-4-3 Selecting Protective Devices.....................................................................................................4-25
CONTENTS
9
NX-series NX502 CPU Unit Hardware User's Manual (W629)