Autonics BD Series Manuel utilisateur

User Manual

for communication

Displacement Sensor

BD Series

MSO-BDC1-V1.0-2001US

Thank you for purchasing an Autonics product.

This user manual contains information about the product and its proper use,

and should be kept in a place where it will be easy to access.

www.autonics.com

Preface

Thank you for purchasing Autonics product.

Please familiarize yourself with the information contained in the Safety Considerations

section before using this product.

This user manual contains information about the porduct and its proper use, and should be

kept in a place where it will be easy to access.

User Manual Guide

Please familiarize yourself with the information in this manual before using the product.

This manual provides detailed information on the product's features. It does not offer

any guarantee concerning matters beyond the scope of this manual.

This manual may not be edited or reproduced in either part or whole without

permission.

This manual is not provided as part of the product package. Please visit our website

(www.autonics.com) to download a copy.

The manual's content may vary depending on changes to the product's software and

other unforeseen developments within Autonics, and is subject to change without prior

notice. Upgrade notice is provided through our homepage.

We contrived to describe this manual more easily and correctly. However, if there are

any corrections or questions, please notify us these on our website.

User Manual Symbols

Symbol

Description

Supplementary information for a particular feature.

Failure to follow instructions can result in serious injury or death.

Failure to follow instructions can lead to a minor injury or product

damage.

An example of the concerned feature's use.

※

Annotation mark.

Safety Considerations

Following these safety considerations will ensure the safe and proper use of the product

and help prevent accidents, as well as minimizing possible hazards.

Safety considerations are categorized as Warnings and Cautions, as defined below:

Warning

Failure to follow the instructions may lead to a serious

injury or accident.

Caution

Failure to follow the instructions may lead to a minor

injury or accident.

Fail-safe device must be installed when using the unit with machinery that may cause

serious injury or substantial economic loss. (e.g. nuclear power control, medical

equipment, ships, vehicles, railways, aircraft, combustion apparatus, safety equipment,

crime/disaster prevention devices, etc.)

Failure to follow this instruction may result in personal injury, economic loss or fire.

Do not use the unit in the place where flammable/explosive/corrosive gas, high

humidity, direct sunlight, radiant heat, vibration, impact, or salinity may be present.

Failure to follow this instruction may result in explosion or fire.

Do not disassemble or modify the unit.

Failure to follow this instruction may result in fire.

Do not connect, repair, or inspect the unit while connected to a power source.

Failure to follow this instruction may result in fire.

Check 'Connections' before wiring. [Amplifier unit]

Failure to follow this instruction may result in fire.

Do not stare at the laser emitter. [Sensor head]

Failure to follow this instruction may result in eye damage.

Use the unit within the rated specifications.

Failure to follow this instruction may result in fire or product damage.

Use dry cloth to clean the unit, and do not use water or organic solvent.

Failure to follow this instruction may result in fire.

Mount the ferrite core to specified position before using. [Sensor head, Extension cable]

Failure to follow this instruction may result in output with noise.

Cautions during Use

Follow instructions in 'Cautions during Use'. Otherwise, it may cause unexpected

accidents.

The power supply should be insulated and limited voltage/current or Class 2, SELV

power supply device.

Do not install where strong magnetic or electric field exist. Otherwise, the resolution

may be adversely affected.

Mutual optical interference between laser sensors and photoelectric sensors may result

in malfunction.

Mutual optical interference between laser sensors may result in malfunction.

When connecting DC relay or other inductive load to the output, remove surge by using

diode or varistor.

Wire as short as possible and keep away from high voltage lines or power lines, to

prevent surge and inductive noise. [ Amplifier unit]

For the optimized performance, it is recommended to measure after 30 minute from

supplying power. [Amplifier unit]

Since external disturbance light (sunlight, fluorescent lighting, etc.) can cause product

malfunction, use the product with a light shield or slit. [Sensor head]

When detecting with the maximum sensitivity, an error may occur depending on each

characteristic deviation.

This unit may be used in the following environments.

① Indoors/Outdoors (in the environment condition rated in 'Specifications')

② Altitude max. 2,000m

③ Pollution degree 2

④ Installation category II

The specifications are subject to change and some models may be discontinued without

notice.

Be sure to follow cautions written in the instruction manual, user manual and the technical

descriptions (catalog, website).

Table of Contents

1 Communication Overview

1Communication Overview

Modbus

The Modbus industrial protocol was developed in 1979 to make communication possible

between automation devices. T he protocol has expanded to include implementations over

serial, TCP/IP, and the user datagram protocol (UDP). Today, it is a common protocol used

by countless devices for simple, reliable, and efficient communica tion across a variety of

modern networks.

Refer to the reference document of developer for the details

Communication of BD-C series is based on Modbus RTU.

Frame Structure of Modbus RTU

Read Coil Status (Func 01 01H)

Read output (OX reference, Coil) ON/OFF status in the slave device.

Query (Master)

Slave

Address

Function

Starting Address

No. of Points

Error Check (CRC16)

High

Low

High

Low

High

1Byte

Response (Slave)

Slave

Address

Function

Byte Count

Data

Error Check (CRC16)

Low

High

1Byte

CRC16

1 Communication Overview

Read Input Status (Func 02 02H)

Read Input ON/OFF status (1X reference) in Slave device.

Query (Master)

Slave

Address

Function

Starting Address

No. of Points

Error Check (CRC16)

High

Low

High

Low

High

1Byte

Response (Slave)

Slave

Address

Function

Byte Count

Data

Error Check (CRC16)

Low

High

1Byte

Read Holding Register (Func 03 03H)

Read the Binary data of Holding Registers (4X reference) in Slave device.

Query (Master)

Slave

Address

Function

Starting Address

No. of Points

Error Check (CRC16)

High

Low

High

Low

High

1Byte

Response (Slave)

Slave

Address

Function

Byte Count

Data

Error Check (CRC16)

High

Low

High

Low

High

Low

High

1Byte

CRC16

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