CONTENTS
4
NX-series Safety Control Unit User’s Manual (Z930)
Section 5 Installation and Wiring
5-1 Installing Units ....................................................................................................................... 5-2
5-1-1 Installing NX Units....................................................................................................................... 5-2
5-1-2 Attaching Markers ....................................................................................................................... 5-4
5-1-3 Removing Units...........................................................................................................................5-5
5-1-4 Installation Orientation ................................................................................................................ 5-6
5-2 Wiring the Power Supply to the Slave Terminal ................................................................. 5-7
5-2-1 Power Supply Types ................................................................................................................... 5-7
5-2-2 Power Supply Methods and Wiring............................................................................................. 5-7
5-2-3 Calculating the Total Current Consumption from the I/O Power Supply ..................................... 5-8
5-2-4 NX-series Power Supply-related Units........................................................................................ 5-9
5-3 Wiring the Terminals ........................................................................................................... 5-12
5-3-1 Wiring to the Screwless Clamping Terminal Block.................................................................... 5-12
5-3-2 Checking Wiring........................................................................................................................5-25
Section 6 System Configuration and Setup
6-1 Configuration and Setup Procedures.................................................................................. 6-2
6-2 Part Names and Functions of the Sysmac Studio Window............................................... 6-3
6-3 Controller Configuration and Setup of the Safety Control Units ...................................... 6-4
6-3-1 Procedures for Creating the Controller Configuration for Safety Control.................................... 6-5
6-3-2 Setting and Viewing the Safety Control Unit Settings ................................................................. 6-8
6-3-3 Procedure to Change the Model of the Safety CPU Unit............................................................ 6-9
6-4 Setting Up the Safety Process Data Communications..................................................... 6-10
6-5 Setting the Safety Input and Output Functions................................................................ 6-12
6-6 Registering Device Variables ............................................................................................. 6-15
6-7 Exposing Variables to Standard Controllers..................................................................... 6-20
6-7-1 Exposing Global Variables ........................................................................................................6-20
6-7-2 Setting Exposed Variables ........................................................................................................ 6-21
6-7-3 Safety CPU Unit Status............................................................................................................. 6-26
6-7-4 I/O Ports for Safety I/O Units..................................................................................................... 6-26
6-7-5 I/O Refreshing Method..............................................................................................................6-27
6-8 Setting Standard Process Data Communications ............................................................ 6-28
6-8-1 Using an EtherCAT Coupler Unit .............................................................................................. 6-28
6-8-2 Using an EtherNet/IP Coupler Unit ........................................................................................... 6-28
6-9 Exporting/Importing Settings Data .................................................................................... 6-30
6-9-1 Exporting/Importing the Settings for the Entire Slave Terminal................................................. 6-30
6-9-2 Exporting/Importing the Settings for All the NX Units on a Slave Terminal ............................... 6-32
6-9-3 Exporting/Importing Data for Individual Safety CPU Units ........................................................6-34
Section 7 Programming
7-1 POUs (Program Organization Units).................................................................................... 7-3
7-1-1 What Are POUs?......................................................................................................................... 7-3
7-1-2 Overview of the Three Types of POUs........................................................................................ 7-4
7-1-3 Differences between Programs, Functions, and Function Blocks...............................................7-5
7-1-4 Details on Programs.................................................................................................................... 7-5
7-1-5 Details on Function Blocks.......................................................................................................... 7-6
7-1-6 Details on Functions.................................................................................................................. 7-10
7-1-7 Instructions................................................................................................................................ 7-11
7-2 Variables............................................................................................................................... 7-12
7-2-1 Variables ...................................................................................................................................7-12
7-2-2 Types of Variables..................................................................................................................... 7-12
7-2-3 Types of User-defined Variables ...............................................................................................7-12
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