Knowledge base Automation Systems Human Machine Interfaces (HMI)

How To Communicate Between NB terminal And Sysmac NJ controller

Modified on Mon, 12 May, 2025 at 4:12 PM

Introduction

This is a quick tutorial on how to get the communication between the NB terminal and the Sysmac NJ controller over Ethernet. This turorial applies to all NB models with a Ethernet com. port.

Models
NJ-Controllers	NB-Terminals
NJ301-1100	NB3Q-TW01B
NJ301-1200	NB5Q-TW01B
NJ501-1300	NB7W-TW01B
NJ501-1400	NB10W-TW01B
NJ501-1500
NJ501-4300
NJ501-4400
NJ501-4500

NJ controller setup

Step 1: Open a new project in Sysmac Studio

Step 2: Setup the Ethernet communication settings. Configuration and Setup -> Controller Setup -> Built-in Ethernet/IP Port Settings

Step 3: Add variables that are made as addresses like in the CJ-series. Programming -> Data -> Global Variables

When specifying an address in memory used for CJ-series Units:
Add a % character to the beginning of the addresses in AT when specifying memory used for CJ-series Units. This is shown in the following table.

Step 4: Create your application as desired

In this example we have one button that activates one lamp and also will add 1 to a word address as long it is active.

Step 5: Go online and Synchronise your application with your NJ controller.

NB terminal setup

Step 1: Open a new project in NB-Designer.

Step 2: Add a NB terminal with Ethernet connection. Add an OMRON CJ/CS Series Ethernet(UDP Slave).

Now you have created the communication device list.

Step 3: Add an Ethernet connector between the PLC and HMI

Step 4: Enter the variables that you want to use.

Button:

Lamp:

Word:

Step 5: Create your application in the NB terminal frames that you can find under the Project Structure window on the right.

In this example we have one button that activates one lamp and also will add 1 to a word address as long it is active.

Step 6: Download your application to your NB terminal

Now the setup and programming are done. When the terminal is connected to the NJ controller it will read and display the values of the required variables