ABB MRP31.0 Technical Description page 2

Modbus-rtu interface

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Please note the following

Target group

This description is intended for the use of trained specialists in electrical installation and control and automation engi-

neering, who are familiar with the applicable national standards.

Safety requirements

The responsible staff must ensure that the application or use of the products described satisfy all the requirements for

safety, including all the relevant laws, regulations, guidelines and standards.

Using this Handbook

Symbols

This technical document contains sentinels to point the reader to important information, potential risks and precaution

information. The following symbols are used:

Sign to indicate a potential dangerous situation that can cause damage of the

connected devices or the environment.

Sign to indicate important information and conditions.

Sign that indicates a potential dangerous situation that can cause human injuries.

Terms and Abbreviations

SMK3.0

Single Mounting Kit for the ﬁ eldbus interfaces and the PROFIBUS termination unit PDR31

UMC100.3

Universal Motor Controller

RTU

MODBUS "Remote Terminal Unit" transmission mode

LED

(Light Emitting Diodes)

MTQ22

Modbus TCP communication interface

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