1-2-4 Types of Safety Control Unit ...................................................................................................1 - 11
1-3 Support Software
...............................................................................................................1 - 12
1-3-1 Applicable Support Software...................................................................................................1 - 12
1-3-2 Connection Method and Procedures for EtherCAT Coupler Units ..........................................1 - 12
1-3-3 Connection Method and Procedures for EtherNet/IP Coupler Units .......................................1 - 14
1-4 Commissioning Procedures .............................................................................................1 - 15
1-4-1 Overall Procedure ...................................................................................................................1 - 15
1-4-2 Detailed Procedures................................................................................................................1 - 16
Section 2 Specifications
2-1 Safety CPU Unit....................................................................................................................2 - 2
2-1-1 Models and Specifications
........................................................................................................2 - 2
2-1-2 Part Names and Functions........................................................................................................2 - 8
2-1-3 Indicators.................................................................................................................................2 - 10
2-2 Safety Input Unit ................................................................................................................2 - 16
2-2-1 Models and Specifications ......................................................................................................2 - 16
2-2-2 Part Names and Functions......................................................................................................2 - 22
2-2-3 Indicators.................................................................................................................................2 - 24
2-3 Safety Output Unit .............................................................................................................2 - 28
2-3-1 Models and Specifications ......................................................................................................2 - 28
2-3-2 Part Names and Functions......................................................................................................2 - 35
2-3-3 Indicators.................................................................................................................................2 - 38
2-4 PFH......................................................................................................................................2 - 41
Section 3 Installation and Wiring
3-1 Installing Units .....................................................................................................................3 - 2
3-1-1 Installing NX Units
.....................................................................................................................3 - 2
3-1-2 Attaching Markers .....................................................................................................................3 - 4
3-1-3 Removing Units.........................................................................................................................3 - 5
3-1-4 Installation Orientation ..............................................................................................................3 - 6
3-2 Power Supply Types and Wiring ........................................................................................3 - 8
3-2-1 Applications of I/O Power Supply and Supply Methods ............................................................3 - 8
3-2-2 Calculating the Total Current Consumption from I/O Power Supply .........................................3 - 9
3-3 Wiring the Terminals..........................................................................................................3 - 10
3-3-1 Wiring to the Screwless Clamping Terminal Blocks ................................................................3 - 10
3-3-2 Checking Wiring ......................................................................................................................3 - 23
Section 4 Safety Control Unit Operation
4-1 Relationship between Units and Types of Communications...........................................4 - 2
4-1-1 Safety Control System on CPU Rack or EtherCAT Network.....................................................4 - 2
4-1-2 Safety Control System on EtherNet/IP Network........................................................................4 - 4
4-1-3 Standalone Safety Control System ...........................................................................................4 - 6
4-2 I/O System ............................................................................................................................4 - 8
4-2-1 Relationship between the Types of Signals and the Types of Communications .......................4 - 8
4-2-2 Safety Data Types and Standard Data Types ...........................................................................4 - 8
4-2-3 Specifying Safety Data Types and Standard Data Types .........................................................4 - 9
4-3 Safety I/O Function ............................................................................................................4 - 10
4-3-1 Safety Input Function ..............................................................................................................4 - 10
4-3-2 Safety Output Function ...........................................................................................................4 - 32
CONTENTS
5
NX-series Safety Control Unit User's Manual (Z930)
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