Omron V680 Series User Manual

Section 7 Modbus Communications Protocol
Section 7
Host Communications Specifications
163
RFID System
User's Manual
(Modbus TCP)
 Write Holding Register (10 Hex)
This function code is used to write continuous holding registers.
 Example: Writing “1111222233334444” to Four Words Starting from Address
1234 Hex in the RF Tag
Query
The address in the RF Tag is the same as the register address.
Response
No. Field name
Example
(hex)
1 Transaction identifier upper byte 00
2 Transaction identifier lower byte 00
3 Protocol identifier upper byte 00
4 Protocol identifier lower byte 00
5 Field length upper byte 00
6 Field length lower byte 0F
7 Unit identifier FF
8 Function code 10
9 Register address upper byte (See note 1.) 12
10 Register address lower byte (See note 1.) 34
11 Word count upper byte 00
12 Word count lower byte 04
13 Byte count 08
14 Write data 1 upper byte 11
15 Write data 1 lower byte 11
16 Write data 2 upper byte 22
17 Write data 2 lower byte 22
18 Write data 3 upper byte 33
19 Write data 3 lower byte 33
20 Write data 4 upper byte 44
21 Write data 4 lower byte 44
RF Tag address = Register address
No. Field name
Example
(hex)
1 Transaction identifier upper byte 00
2 Transaction identifier lower byte 00
3 Protocol identifier upper byte 00
4 Protocol identifier lower byte 00
5 Field length upper byte 00
6 Field length lower byte 06
7 Unit identifier FF
8 Function code 10
9 Register address upper byte (See note 1.) 12
10 Register address lower byte (See note 1.) 34
11 Word count upper byte 00
12 Word count lower byte 04
RF Tag address = Register address

Omron V680 Series Specifications

General

Brand	Omron
Model	V680 Series
Category	Other
Language	English

Summary

Introduction and Safety Precautions

Introduction

General information about the manual and product, including safety notices and trademarks.

Precautions for Safe Use

Essential guidelines for safe operation, installation, and handling of the Reader/Writer.

Precautions for Correct Use

Guidelines to prevent operational failures, malfunctions, and adverse effects on performance.

Product Overview and Specifications

Features

Highlights key features like integrated structure, simple installation, and stable operation.

Product Specifications

Detailed technical specifications for Reader/Writers, connector covers, cables, and RF Tags.

RF Tag Installation Precautions

Guidelines for optimal RF Tag mounting, considering metal influence and mutual interference.

System Configuration and Setup

System Configuration

Diagrams and descriptions of typical system setups with one or multiple Reader/Writers.

Installation and Connections

Procedures for installing the Reader/Writer and making necessary connections.

Preparations for Communications

Steps required to prepare the system, including starting the Reader/Writer and setting conditions.

Functions and Operation

Operation Mode

Describes Run Mode and Safe Mode for Reader/Writer operation based on control signal.

RF Tag Communications

Details on communication options (Once, Auto, FIFO) and methods with RF Tags.

Communication Diagnostic

Tool for diagnosing communication leeway for stable operation, displayed via indicators or web.

Multi-Reader/Writer Operation

Explains Field Extension and High-speed Traveling modes for linking multiple Reader/Writers.

Host Communications and Web Interface

Modbus Communications Protocol

Defines the client-server communication mechanism using Modbus TCP.

Web Browser Interface

Guide to accessing and utilizing the device's web interface for configuration and monitoring.

Network Settings View

Configuration of network parameters like IP address, subnet mask, and gateway.

Troubleshooting and Maintenance

Error Descriptions

Details on fatal and nonfatal errors, including indicator status and causes.

Troubleshooting Flowcharts

Step-by-step guides to diagnose issues based on system conditions and error types.

Maintenance and Inspection

Procedures for daily and periodic checks to ensure long-term product reliability.

Appendices

Data Characteristics

Reference data on RF Tag communications range and time.

Reader/Writer Installation Precautions

Guidelines for installing Reader/Writers, considering metal and mutual interference.