Omron NX-ID - Page 5

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CONTENTS
NX-series Digital I/O Unit User’s Manual (W521)
1-3 Model List............................................................................................................................... 1-7
1-3-1 Model Notation............................................................................................................................ 1-7
1-3-2 Digital Input Units...................................................................................................................... 1-10
1-3-3 Digital Output Units................................................................................................................... 1-12
1-3-4 Digital Mixed I/O Units .............................................................................................................. 1-15
1-4 List of Functions.................................................................................................................. 1-16
1-4-1 Digital Input Units...................................................................................................................... 1-16
1-4-2 Digital Output Units................................................................................................................... 1-17
1-4-3 Digital Mixed I/O Units .............................................................................................................. 1-18
1-5 Support Software................................................................................................................. 1-19
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
3-1-2 M3 Screw Terminal Block Type................................................................................................... 3-7
3-1-3 Connector Types......................................................................................................................... 3-8
3-2 Indicators ............................................................................................................................. 3-13
3-2-1 TS Indicator .............................................................................................................................. 3-15
3-2-2 IN/OUT Indicator....................................................................................................................... 3-16
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 Wiring to M3 Screw Terminal Block ..........................................................................................4-31
4-3-3 Wiring to MIL/Fujitsu Connectors.............................................................................................. 4-35
4-3-4 Checking the Wiring.................................................................................................................. 4-39
4-4 Wiring Examples.................................................................................................................. 4-40
4-4-1 Wiring the Input Units ............................................................................................................... 4-40
4-4-2 Precautions when Wiring to the Output Units ........................................................................... 4-52
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