Omron NX Series Instruction Manual

Z465-E1-01

Machine Automation Controller NX-series

Serial (RS-232C) Communications

Connection Guide

OMRON Corporation

Auto Focus Multi Code Reader

V320-F / V420-F / V430-F-series

About Copyrights and Trademarks

Microsoft product screen shots used with permission from Microsoft.

Windows is a registered trademark of Microsoft Corporation in the USA and other countries.

Sysmac and SYSMAC are trademarks or registered trademarks of OMRON Corporation in

Japan and other countries for OMRON factory automation products.

Company names and product names in this document are the trademarks or registered

trademarks of their respective companies.

Contents

1. Related Manuals.......................................................................................... 1

2. Restrictions and Precautions .................................................................... 2

3. Overview ...................................................................................................... 3

4. Applicable Products and Support Tools .................................................. 4

4.1. Applicable Products............................................................................. 4

4.2. Device Configuration ........................................................................... 5

5. Serial Communications Settings............................................................. 10

5.1. Serial Communications Settings ....................................................... 10

5.2. Cable Wiring Diagram ........................................................................11

5.3. Example of Connection Check for Communications......................... 12

6. Connection Procedure.............................................................................. 13

6.1. Operation Flow .................................................................................. 13

6.2. Code Reader Setup........................................................................... 14

6.3. Controller Setup................................................................................. 19

6.4. Checking That Serial Communications Work.................................... 30

Appendix 1. Initializing the System................................................................ 35

A1.1. Initializing the Controller........................................................................ 35

A1.2. Initializing the Code Reader.................................................................. 36

Appendix 2. Ladder Program .......................................................................... 37

A2.1. Overview................................................................................................ 37

A2.2. Program in Ladder Language ............................................................... 40

A2.3. Variables Used ...................................................................................... 41

Revision History ............................................................................................... 43

1. Related Manuals

To ensure system safety, make sure to always read and follow the information provided in all

Safety Precautions and Precautions for Safe Use in the manuals for each device which is

used in the system.

The following OMRON Corporation (hereinafter referred to as “OMRON”) manuals are related

to this document:

Cat. No. Model Manual name

W535 NX Series NX-series NX701 CPU Unit Hardware User’s

Manual

W593 NX Series NX-series NX102 CPU Unit Hardware User’s

Manual

W578 NX Series NX-series NX1P2 CPU Unit Hardware User’s

Manual

W501 NJ/NX Series NJ/NX-series CPU Unit Software User’s Manual

W540

NX Series

NX-series Communications Interface Unit User’s

Manual

W504

SYSMAC-SE2



Sysmac Studio Version 1 Operation Manual

W502 NJ/NX Series Machine Automation Controller Instructions

Reference Manual

Z432 V320-F/V330-F/V420-F/V430-

F Series

MicroHAWK V320-F/V330-F/V420-F/V430-F

Series Barcode Reader User Manual

Z407 V320-F/V330-F/V420-F/V430-

F Series

Autofocus Multicode Reader MicroHAWK V320-

F/V330-F/V420-F/V430-F Series User Manual

for Communication Settings

2. Restrictions and Precautions

(1) Before building a system, understand the specifications of devices which are used in the

system. Allow some margin for ratings and performance, and provide safety measures

such as installing a safety circuit in order to minimize the risk in case of failure.

(2) To ensure system safety, make sure to read and follow the information provided in all

Safety Precautions and Precautions for Safe Use in the manuals for each device which is

used in the system.

(3) The user is encouraged to confirm the standards and regulations that the system must

conform to.

(4) It is prohibited to copy, to reproduce, and to distribute a part or the whole of this document

without the permission of OMRON Corporation.

(5) The information contained in this document is current as of April 2023.

It is subject to change for improvement without notice.

The following notations are used in this document.

Indicates a potentially hazardous situation which, if not

avoided, may result in minor or moderate injury, or may result

in serious injury or death. Additionally, there may be severe

property damage.

Indicates a potentially hazardous situation which, if not

avoided, may result in minor or moderate injury, or property

damage.

Precautions for Safe Use

Precautions on what to do and what not to do to ensure safe usage of the product.

Precautions for Correct Use

Precautions on what to do and what not to do to ensure proper operation and performance.

Note

Additional information to read as required.

This information is provided to increase understanding or make operation easier.

Symbols

The filled circle symbol indicates operations that you must do.

The specific operation is shown in the circle and explained in text.

This example shows a general precaution for something that you must do.

3. Overview

This document describes the procedures for connecting the OMRON code reader products

(V320-F/V420-F/V430-F) to an NX Series Machine Automation Controller with a Serial

Communications Unit (hereinafter referred to as “controller”) via serial communications and for

checking their connections.

Refer to Section 5. Serial Communication Settings and Section 6. Connection Procedure to

understand the setting procedures and key points of setup to establish a serial

communications connection.

Obtain the latest version of the Sysmac Studio Project File in advance before proceeding.

Contact OMRON for information on how to obtain this file.

Name Filename Version

Sysmac Studio Project File

(Extension: smc2)

OMRON_V320_V420_V430_NX_RXD_V100.smc2 Ver. 1.00

The purpose of this document is to describe the wiring methods, communication

settings, and setting procedures required to establish a connection for

communications with applicable devices. In addition, the program used in this

document is designed to check that the connection has been correctly

performed (connection check). Since the program is not intended for permanent

use on-site, full consideration is not given to functionality and performance.

When configuring an actual system, please refer to the wiring methods,

communication settings, and setting procedures described in this document to

design and create a program that meets your purpose.

4. Applicable Products and Support Tools

4.1. Applicable Products

The applicable devices that are required to ensure a connection are as follows:

Manufacturer Name Model Version

OMRON

NX Series CPU Unit

NX701-



NX102-

NX1P2- Same or

later

version as

indicated in

section 4.2.

OMRON Serial Communications Unit

NX-CIF210

OMRON Code reader V320-F-

V420-F-

V430-F-

Note

From among the above applicable devices, this document uses the devices listed in section

4.2 for the connection check. When using devices that are not described in section 4.2,

check the connection according to this document.

Note

This document describes the procedures for establishing the communication connection of

the device, and does not describe the operation, installation and wiring method of the

device.

For details on the above products (other than communication connection procedures),

please refer to the instruction manual for the product or contact OMRON.

Precautions for Correct Use

The connection and connection check procedures described in this document use the

devices listed in section 4.2, from among the above applicable devices.

You cannot use devices with versions earlier than the versions listed in section 4.2.

To use models that are not listed in section 4.2. or versions that are later than those listed in

section 4.2., check the differences in the specifications according to their instruction manuals

before operating the devices.

4. Applicable Products and Support Tools

4.2. Device Configuration

The system components required for reproducing the connection procedures described in this

document are as follows.

• Configuration with V320-F

Manufacturer

Name

Model

Version

OMRON

NX Series CPU Unit

(Built-in EtherNet/IP Port)

NX1P2-9024DT

Ver. 1.19

OMRON

Serial Communications Unit

NX-CIF210

Ver. 2.1

OMRON

Sysmac Studio

SYSMAC-SE2

Ver. 1.28

OMRON

Sysmac Studio Project File

OMRON_V320_V420_V430_

NX_RXD_V100.smc2

Ver. 1.00

---

PC (OS: Windows 10)

---

LAN cable

---

OMRON

Code reader

V320-F000M12M-SRX

Ver. 2.1.0

OMRON

V/F320-F adapter for all V420-

F cable accessories, RJ50 to

DB-15

V320-WRX



-2M

---

OMRON

Power supply

97-900006-01

---

AC power supply

---

(Sysmac Studio

installed, OS:

Windows 10)

V320-F000M12M-SRX

97-900006-01

V/F320-F adapter for all

V420-F cable accessories,

RJ50 to DB-15

V320-WRX-2M

LAN cable

Ethernet hub

NX1P2-9024DT

NX-CIF210

4. Applicable Products and Support Tools

WebLink cannot be used for RS-232C connection.

To use WebLink, the following system components for USB connection are required.

Manufacturer

Name

Model

Version

---

PC (OS: Windows 10)

---

OMRON

Code reader

V320-F000M12M-SRX

Ver. 2.1.0

OMRON

V/F320-F adapter for all V420-

F cable accessories, RJ50 to

DB-15

V320-WR-1M

---

OMRON

USB breakout cable

V420-WUB-1M

---

(OS: Windows 10)

V320-F000M12M-SRX

V/F320-F adapter for all V420-F

cable accessories, RJ50 to DB-15

V320-WR-1M

USB breakout cable

V420-WUB-1M

4. Applicable Products and Support Tools

• Configuration with V420-F

Manufacturer

Name

Model

Version

OMRON

NX Series CPU Unit

(Built-in EtherNet/IP Port)

NX1P2-9024DT

Ver. 1.19

OMRON

Serial Communications Unit

NX-CIF210

Ver. 2.1

OMRON

Sysmac Studio

SYSMAC-SE2

Ver. 1.28

OMRON

Sysmac Studio Project File

OMRON_V320_V420_V430_

NX_RXD_V100.smc2

Ver. 1.00

---

PC (OS: Windows 10)

---

LAN cable

---

OMRON

Code reader

V420-F000M12M-SRX

Ver. 2.1.0

OMRON

Cable (RS-232 breakout (DB-

15) and external power supply

input)

V420-WRX-1M

---

OMRON

Power supply

97-900006-01

---

AC power supply

---

V420-F000M12M-SRX

97-900006-01

Cable (RS-232 breakout (DB-15)

and external power supply input)

V420-WRX-1M

(Sysmac Studio

installed, OS:

Windows 10)

LAN cable

Ethernet hub

NX1P2-9024DT

NX-CIF210

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