Omron NX1P2 series

3
CONTENTS
NX-series NX1P2 CPU Unit Hardware User’s Manual (W578)
Section 2 System Configuration
2-1 Basic System Configuration................................................................................................. 2-2
2-1-1 EtherCAT Network Configuration................................................................................................ 2-3
2-1-2 NX Unit Configuration ................................................................................................................. 2-4
2-2 Connecting to the Sysmac Studio ....................................................................................... 2-6
2-3 Network Configuration.......................................................................................................... 2-7
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 Operation Status Indicators ........................................................................................................ 3-6
3-1-4 Terminal Blocks......................................................................................................................... 3-10
3-1-5 Battery ...................................................................................................................................... 3-16
3-1-6 ID Information Indication........................................................................................................... 3-18
3-2 SD Memory Cards................................................................................................................ 3-19
3-2-1 Models and Specifications ........................................................................................................ 3-19
3-2-2 Purpose .................................................................................................................................... 3-19
3-3 Serial Communications Option Board............................................................................... 3-20
3-3-1 Models and Specifications ........................................................................................................ 3-20
3-3-2 Purpose .................................................................................................................................... 3-21
3-3-3 Part Names and Functions ....................................................................................................... 3-22
3-4 Analog I/O Option Board..................................................................................................... 3-25
3-4-1 Models and Specifications ........................................................................................................ 3-25
3-4-2 Purpose .................................................................................................................................... 3-26
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................................................................................................................................ 3-34
Section 4 Designing the Power Supply System
4-1 Power Supply System and Design Concepts ..................................................................... 4-2
4-1-1 Power Supply System and Types of Power Supplies................................................................. 4-2
4-1-2 NX-series Power Supply-related Units .......................................................................................4-4
4-1-3 Design Concepts for Power Supply to the CPU Rack ................................................................ 4-6
4-2 Designing the NX Unit Power Supply System .................................................................... 4-7
4-2-1 Procedure for Designing the NX Unit Power Supply System ..................................................... 4-7
4-2-2 Calculation Example for the NX Unit Power Supply ................................................................... 4-8
4-3 Designing the I/O Power Supply System .......................................................................... 4-10
4-3-1 I/O Power Supply Method......................................................................................................... 4-10
4-3-2 Designing the I/O Power Supply from the NX Bus ....................................................................4-11
4-3-3 Designing the I/O Power Supply from External Sources .......................................................... 4-16
4-3-4 Designing I/O Power Supply for the Built-in I/O........................................................................ 4-16
4-3-5 Restrictions on Inrush Current for ON/OFF Operation ............................................................. 4-17
4-4 Selecting External Power Supplies and Protective Devices ........................................... 4-18
4-4-1 Selecting the Unit Power Supply .............................................................................................. 4-18
4-4-2 Selecting the I/O Power Supplies ............................................................................................. 4-20
4-4-3 Selecting Protective Devices .................................................................................................... 4-21