MT Series USER MANUAL For COMMUNICATION英文版

Preface
USER MANUAL
For COMMUNICATION
© Copyright Reserved Autonics Co., Ltd. iii © Copyright Reserved Autonics Co., Ltd.Preface
Preface
Thank you very much for selecting Autonics products.
Please familiarize yourself with the information contained in the Safety Precautions section
before using this product.
This user manual for communication contains information about the product and its proper use,
and should be kept in a place where it will be easy to access.
© Copyright Reserved Autonics Co., Ltd. iiiUser Manual for Communication Guide
User Manual for Communication Guide
This user manual for communication contains information about the product and its proper use,
and should be kept in a place where it will be easy to access.
 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.
 A user manual is not provided as part of the product package.
Visit our home-page (www.autonics.co.kr) 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.
 We contrived to describe this manual more easily and correctly. However, if there are any
corrections or questions, please notify us these on our homepage.
iv © Copyright Reserved Autonics Co., Ltd.User Manual for Communication Symbols
User Manual for Communication
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.
※1 Annotation mark.
© Copyright Reserved Autonics Co., Ltd. vSafety Precautions
Safety Precautions
 Following these safety precautions will ensure the safe and proper use of the product and
help prevent accidents and minimize hazards.
 Safety precautions are categorized as Warnings and Cautions, as defined below:
Cases that may cause serious injury or fatal accident if
Warning
instructions are not followed.
Cases that may cause minor injury or product damage if
Caution
instructions are not followed.
 In case of using this unit with machinery (Ex: nuclear power control, medical equipment,
ship, vehicle, train, airplane, combustion apparatus, safety device, crime/disaster prevention
equipment, etc) which may cause damages to human life or property, it is required to install
fail-safe device.
It may cause a fire, human injury or property loss.
 It must be mounted on panel.
It may cause electric shock.
 Do not connect, inspect or repair this unit when power is ON.
It may cause electric shock.
 Do not disassemble or modify this unit. Please contact us if it is required.
It may cause electric shock or a fire.
 Check input power specification and check power terminal number when wiring power cable.
It may cause a fire.
 This unit shall not be used outdoors.
It may shorten the life cycle of the product or cause electric shock. Use this product indoors
only. Do not use the product outdoors or at locations subject to the temperatures or humidity
outside.
Example) rain, dirty, frost, sunlight, condensation, etc
 When wiring power input terminal and measuring input terminal, power line should be over
AWG 20(0.50mm2). Terminal screw should be tightened with 0.74 N•m to 0.90 N•m torque.
It may cause a fire due to connect failure.
 Please observe the rated specifications.
It may cause shorten the life cycle of the product and cause a fire.
 Do not use the load over the rated switch capacity value of relay contact part.
It may cause insulation failure, contact melt, contact failure, relay broken, fire etc.
 In cleaning the unit, do not use water or organic solvent. And use dry cloth.
It may cause electric shock or a fire.
vi © Copyright Reserved Autonics Co., Ltd.Safety Precautions
 Do not use this unit in place where there is flammable, explosive gas, humidity, direct light,
radiant heat, vibration, or impact.
It may cause a fire or explosion.
 Do not inflow dust or wire dregs into the unit.
It may cause a fire or malfunction.
 Wire properly after checking the terminal polarity.
It may cause a fire or explosion.
© Copyright Reserved Autonics Co., Ltd. viiTable of Contents
Table of Contents
Preface .............................................................................................................................i ii
User Manual for Communication Guide .......................................................................... iv
User Manual for Communication Symbols ...................................................................... v
Safety Precautions .......................................................................................................... vi
Table of Contents ........................................................................................................... viii
1 Modbus RTU protocol .................................................................................9
1.1 Read Coil Status(Func01–01H) .......................................................................... 9
1.2 Read Input Status(Func02–02H) ....................................................................... 10
1.3 Read Holding Registers(Func03–03H) ............................................................. 11
1.4 Read Input Registers(Func04–04H) .................................................................. 12
1.5 Preset Single Registers(Func06–06H) .............................................................. 13
1.6 Preset Multiple Registers(Func16–10H) ........................................................... 14
1.7 Exception process (Exception Response-Error Code) ..................................... 15
2 Modbus Mapping Table ............................................................................. 17
2.1 MT4W ................................................................................................................ 17
2.1.1 Read Holding Register ............................................................................... 17
2.1.2 Read Coil Status ........................................................................................ 18
2.1.3 Read Holding Register/Preset Single Register/Preset Multiple Register ... 18
2.2 MT4Y ................................................................................................................. 20