Omron NX-AD series User Manual

3
CONTENTS
NX-series Analog I/O Units User’s Manual for Analog Input Units and Analog Output Units (W522)
1-3 Model List............................................................................................................................... 1-7
1-3-1 Model Notation............................................................................................................................ 1-7
1-3-2 Analog Input Units ...................................................................................................................... 1-9
1-3-3 Analog Output Units...................................................................................................................1-11
1-4 List of Functions.................................................................................................................. 1-12
1-4-1 Analog Input Units .................................................................................................................... 1-12
1-4-2 Analog Output Units.................................................................................................................. 1-13
1-5 Support Software................................................................................................................. 1-14
Section 2 Specifications
2-1 General Specifications.......................................................................................................... 2-2
2-2 Individual Specifications ...................................................................................................... 2-3
Section 3 Part Names and Functions
3-1 Part Names............................................................................................................................. 3-2
3-1-1 Screwless Clamping Terminal Block Type .................................................................................. 3-2
3-2 Indicators ............................................................................................................................... 3-6
3-2-1 TS Indicator ................................................................................................................................ 3-7
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....................................................................................................................... 4-4
4-1-3 Removing NX Units .................................................................................................................... 4-6
4-1-4 Installation Orientation ................................................................................................................ 4-7
4-2 Power Supply Types and Wiring .......................................................................................... 4-9
4-2-1 Applications of I/O Power Supply and Supply Methods.............................................................. 4-9
4-2-2 Calculating the Total Current Consumption from I/O Power Supply ..........................................4-11
4-3 Wiring the Terminals ........................................................................................................... 4-12
4-3-1 Wiring to the Screwless Clamping Terminal Block.................................................................... 4-12
4-3-2 Checking the Wiring.................................................................................................................. 4-28
4-4 Wiring Examples.................................................................................................................. 4-29
4-4-1 Wiring the Analog Input Units ................................................................................................... 4-29
4-4-2 Wiring the Analog Output Units ................................................................................................ 4-31
4-4-3 Precautions when Using Common Power Supply for Input Devices of Analog Input Units...... 4-32
Section 5 I/O Refreshing
5-1 I/O Refreshing ........................................................................................................................ 5-2
5-1-1 I/O Refreshing from CPU Units to NX Units ............................................................................... 5-2
5-1-2 I/O Refreshing from CPU Units or Industrial PCs to Slave Terminal .......................................... 5-3
5-2 I/O Refreshing Methods ........................................................................................................ 5-5
5-2-1 Types of I/O Refreshing Methods ............................................................................................... 5-5
5-2-2 Setting the I/O Refreshing Methods............................................................................................ 5-7
5-2-3 Selecting NX Units...................................................................................................................... 5-8
5-2-4 Free-Run Refreshing .................................................................................................................. 5-8
5-2-5 Synchronous Input Refreshing ................................................................................................. 5-12
5-2-6 Synchronous Output Refreshing............................................................................................... 5-16

Omron NX-AD series Specifications

General

Brand	Omron
Model	NX-AD series
Category	I/O Systems
Language	English