Siemens SENTRON 3WA User Manual

Siemens SENTRON 3WA Specifications

General

Rated Current	630A to 6300A
Breaking Capacity	Up to 150kA
Protection	Overload, Short-circuit, Ground fault
Poles	3, 4
Mounting	Fixed or withdrawable
Trip Unit	Electronic
Standards	IEC 60947-2

Summary

1 Introduction

1.1 Scope of validity of this document

Defines the scope and purpose of the system manual for users.

1.2 Target readers of this documentation

Identifies the intended audience for the manual, including users and programmers.

1.3 Technical Support

Provides information on how to obtain further support and assistance.

1.4 Reference documents

Lists other relevant documents for detailed information and further reading.

1.5 Advanced training courses

Offers information on available training courses for industry professionals.

1.6 Safety instructions

Details essential safety regulations, warnings, and qualified personnel requirements.

1.7 Standards

Lists the standards that the 3WA air circuit breakers comply with.

2 System description

2.1 The 3WA air circuit breaker

Introduces the 3WA air circuit breaker as a new generation device.

2.2 The CubicleBUS² bus system

Explains the CubicleBUS² bus system for communication within the breaker.

2.3 COM190 communication module

Describes the COM190 communication module and its functions.

3 Status of the circuit breaker

3.1 Circuit Breaker Status Introduction

Provides an overview of the circuit breaker's status information and evaluation options.

3.2 The ETU600 electronic trip unit as an information center

Details the ETU600's role in providing status and diagnostic information.

3.3 Indication of tripping cause

Explains how the cause of the last tripping operation is indicated.

3.4 Status of the ETU

Describes the status of the ETU600 electronic trip unit and its registers.

3.5 Status of the mechanical system

Monitors the mechanical system of the circuit breaker via specific registers.

3.6 Status of position of withdrawable circuit breaker in the guide frame

Provides an overview of the circuit breaker's position in the guide frame.

3.7 DAS+ status

Explains the DAS+ maintenance mode and related registers.

3.8 Status of warnings

Details how active warnings are indicated and evaluated.

3.9 Status of alarms

Explains how active alarms are indicated and evaluated.

3.10 Activation status of protective functions

Shows which protective functions are activated and their status.

3.11 Status of the ETU error messages (self-monitoring function)

Describes the ETU600's self-monitoring function and error messages.

3.12 Status of the main contacts of the circuit breaker

Indicates the condition of the main contacts due to contact erosion.

4 Parameterization and remote control

4.1 Parameterization of the protection parameters

Details how to set and manage protection parameters for the circuit breaker.

4.2 Close/open circuit breaker via Modbus TCP

Explains how to remotely close or open the circuit breaker using Modbus TCP.

4.3 Parameterization of ground-fault protection (GF)

Describes the register addresses for parameterizing ground-fault protection.

5 Modbus TCP

5.1 Modbus TCP General

Introduces the Modbus TCP protocol support by the COM190 module.

5.2 Modbus TCP Addressing

Explains how the COM190 module is addressed via IP address in Modbus TCP.

5.3 Modbus TCP Function codes, metering values and parameters

Covers Modbus function codes for reading/writing values and parameters.

5.4 Modbus TCP Transactions

Defines transactions in the 3WA system for Modbus write frames.

5.5 MODBUS error codes

Lists and explains the Modbus exception codes supported by the COM190.

5.6 Modbus TCP Invalid values

Describes how invalid data points are handled and tagged in Modbus.

5.7 Modbus TCP Register Number vs Address Difference

Clarifies the difference between Modbus register numbers and addresses.

5.8 Modbus TCP whitelist

Explains the security function of the Modbus TCP whitelist.

5.9 Configurable Modbus TCP port

Discusses changing the TCP port for Modbus TCP connections.

5.10 System time with SNTP

Details setting the system time using SNTP.

6 PROFINET IO

6.1 PROFINET IO General

Introduces PROFINET IO access to 3WA circuit breaker data.

6.2 PROFINET IO Technical specifications of communication interfaces

Outlines the technical specifications for PROFINET IO communication interfaces.

6.3 PROFINET IO Metering values, addressing and data traffic

Describes how metering values, addressing, and data traffic are handled in PROFINET IO.

6.4 PROFINET IO Interrupt, error and system messages

Covers interrupt, error, and system messages in PROFINET IO.

7 Disposal

A ESD guidelines

A.1 Electrostatic sensitive devices (ESD)

Explains the risks of electrostatic discharge and protective measures.

B List of abbreviations

B.1 Table of abbreviations

Provides a list of abbreviations used in the manual.