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Step by Step Guide - CP1L-E connection to an NS Screen via Ethernet/FINS

Written by Gene-Robert Kenji

Updated at May 5th, 2026

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Introduction

This document highlights the methods of:

  1. Configuring CP1L ethernet/FINS communications settings: 192.168.250.2
  2. Configuring NS10 ethernet/FINS communications settings: 192.168.250.3
  3. Setting a routing table to set both devices on the same network: #1

Pre-Requisites

Note that each device has their own individual node id number. As seen in the image below N cannot be 2 or 3 since CP1L and NS #A are using numbers 2 and 3.Further Reading


Delete

Please refer to these Precautions and Terms and Conditions‍ which relate to the information and program samples provided before proceeding

Procedure

Step 1 - CP1L-E Configuration

For the above example, change the CP1L’s IP address and FINS Node number.

From PLC Settings > Built-in Ethernet tab, set the following.

CP1L Ethernet Settings

IP Address

192.168.250.2

FINS Node No

2

Transfer these settings and power cycle the PLC.

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Step 2 - NS Screen Configuration

For the CP1L to identify and communicate with the NS screen, it needs to know which network address it is on and what device/node number.

In CX-Designer, PT > Communications Setting under Ethernet make sure it is enabled.

Since network 1 will be used, set the Network Address to 1 and the Node Address to 3. Since the Node Address is 3, the IP Address will be 192.168.250.3 as seen below.

NS Ethernet Settings

 

Network Address

1

Node Address

3

IP Address

192.168.250.3

 

Next, the host needs to be configured. Expand Ethernet>[Right-Click] Add. As seen below host CP1L-EL20 is added. Since this example is working with a CP1L, the host type needs to be SYSMAC-CS1/CJ1/CP1. Protocol set to FINS, Network Address is 1 and the Node Address of the host (CP1L) is 2.

NS Host (CP1L_EL20) Settings

 

Host Type

SYSMNAC-CS1/CJ1/CP1

Protocol

FINS

Network Address

1

Node Address

2

 

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Step 3 - CX Integrator - Setting the Routing Table

Use CX Integrator to set the CP1L’s Network Address to 1 - the same network for the NS.

Network > Communication Settings

Choose the correct PLC CP1L-E. Click Settings and under CPU Type choose EL.

For Network Type choose Ethernet(FINS/TCP), Settings > Driver tab choose either Direct Connection or Hub Connection. Hit OK and OK again

 

Choose the correct component type depending on the PLC type then hit ok

                                                                                   

Network > Work Online

Select (3) Work Online


While connected go to Tools > Start Routing Table

Right click on unit 250(Built-in Ethernet Port) and select Insert CPU SIOU.

Put 1 in the Local Network Number since the devices are all set to network 1

The following window will show Local Network #1 connected to 250 (Built-in Ethernet Port)

All that is left is to transfer this to the CP1L Options > Transfer to PLC

Your setup is now complete and both devices are now able to talk to each other.

Delete

Info

Note:  If you are using a CP1W-CIF41 to communicate with a CP1L via ethernet ensure that you use the port of the CP1W-CIF41 - Unit 253(PRPHL)


Delete


ns hmi cp1l-e network configurator cif41

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