Siemens UL 489, UL1066 specifications COM16 Supported Function Codes, Function 01 Read Coils

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Communication-capable Circuit Breakers

WL Circuit Breaker

Default Communication Parameters

The COM16 comes set-up with the following default Communication Parameters:

Baud: 19,200

Unit ID: 126

Parity: Even

Graphic 3-3

Data formating byte order

Data points larger than two bytes transmitted in the Motorola Format (Big-Endian)

Graphic 3-2

 

 

 

 

 

Byte order

 

 

 

Type of data

 

 

 

 

 

 

 

Byte 0

Byte 0

 

 

char, unsigned char

 

 

Byte 1

Byte 1

 

 

 

 

 

 

 

 

 

Byte 0

High byte

 

 

signed int, unsigned int

 

 

Byte 1

Low byte

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Byte 0

High byte

High word

 

 

 

Byte 1

Low byte

 

 

 

 

 

signed long, unsigned long

 

 

 

 

 

 

 

 

Byte 2

High byte

Low word

 

 

 

 

 

Byte 3

Low byte

 

 

 

 

 

 

 

 

 

 

 

 

 

COM16 Supported Function Codes

Function 01: Read Coils

Function

This function reads the state of multiple Control Bits and Extra Flags in a COM16 slave.

 

 

 

 

Bit Start Address

Any value from 0000 hex to 000F hex. If any other address is specified, an Exception Code of 02 (Invalid Data

 

Address) will be returned.

 

 

 

Quantity of Bits

If “Quantity of Bits” is not in the range of 1 to 16, an Exception Code of 03 (Invalid Data Value) will be returned.

 

If an attempt to read a bit beyond Bit Address 000F hex is made, an Exception Code of 02 (Invalid Data Address)

 

will be returned.

 

 

 

Function 02: Read Discrete Inputs

Function

This function reads the state of the bits in the Status Register in a COM16 slave.

 

 

 

 

Bit Start Address

Any value from 0000 hex to 000F hex. If any other address is specified, an Exception Code of 02 (Invalid Data

 

Address) will be returned.

 

 

 

Quantity of Bits

If “Quantity of Bits” is not in the range of 1 to 16, an Exception Code of 03 (Invalid Data Value) will be returned.

 

If an attempt to read a bit beyond Bit Address 000F hex is made, an Exception Code of 02 (Invalid Data Address)

 

will be returned.

 

 

 

 

3/2

 

WL MODBUS Communication and Electronic Accessories • January 2005

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Contents Global network of innovation Powerful ideasCommunication-capable Circuit Breakers Communication-capable Circuit Breaker Qualified Personnel Safety GuidelinesCorrect Usage Registered TrademarksIntroduction Overview General Content of the ManualIntroduction WL Circuit Breakers-Modular Intelligent System SolutionsCost Saving Easy PlanningModbus Communication Bus SystemsCommunication Structure of the WL Circuit Breakers Ethernet WL Circuit Breaker Brief Description of the WL Circuit Breaker Introduction and OverviewCommunications Capability of the Electronic Trip Units ETUs CubicleBUSETU725 ETU727 ETU745 Functional overview of the trip unit systemBasic Functions ETU725 ETU727 ETU745 Setting range of the IgBasic Functions ETU748 ETU755 ETU776 Communication Data point group ETU745 Data Availability on the CubicleBUSMetering Data points with the same source 755 orModbus COM16 Module and the BSS Pin ConfigurationModbus Module COM16 Modbus Installation Guideline Modbus Write Protection DPWriteEnableMeaning Position and text on the cable CubicleBUS Data Exchange via the COM16 ModuleCubicleBUS + Meaning Rear Microswitch S46 Middle S47 Front S48Cubicle BUS LED Meaning PositionBreaker Status Sensor BSS General Metering Function PlusHarmonic analysis Metering Function PlusWaveform buffer Voltage Transformers Parameters for the settings of the metering functionVT Accuracy Maximum distance from voltage transformerMetering range 81THDC Load Management Important functions/parameters for communicationsExtended Protective Function Setpoints Normal Positive Power Flow DirectionMinimum for Communicated Currents Event and Trip LogInstallation Rotary SwitchesExternal CubicleBUS Modules Maximum CubicleBUS Configuration Power SupplyCubicleBUS Installation Guidelines Meaning LED DisplayCubicleBUS LED Meaning All other LEDs MeaningDevice Testing the Digital Input and Output ModulesDigital Input Module Technical data for the digital input moduleFunctional description Functional description for changing parameter setsSelector switch position to the left Digital Output Module with Rotary SwitchSelector switch position to the right Delay timeConfigurable Digital Output Module Trigger event Waveform buffer B Technical data for the digital configurable output moduleAnalog Output Module Power value ranges W/VATechnical data for the analog output module Switch position cosTest function Operating principle ZSI ModuleExample as illustrated in Graphic It trips after tZSI = 50 ms. Time saved = 250 ms Technical data for the ZSI moduleCommunication-capable Circuit Breakers General information Output current Inrush current Type Order No Communication-capable Circuit Breakers Modbus Profile for WL Circuit Breaker Supervisory Systems Function 01 Read Coils COM16 Supported Function CodesFunction 02 Read Discrete Inputs Request Message to slave Function 03 Read Holding RegistersReply Message from slave Function 05 Write Single Coil Function 04 Read Input RegistersFunction 07 Read Exception Status Function 11 Get Communication Event Counter Function 08 DiagnosticsFunction 12 Get Communication Event Log COM16 slave Send Event What the Event Bytes ContainFunction 15 Write Multiple Coils Function 16 Write Multiple Registers Exception Responses Code Name Meaning Exception CodesBasic Data Type 1 Registers and Default Data Points Default Register ListsBasic Data Type 2 Registers and Default Data Points Basic Data Type 3 Registers and Default Data Points Data bytes Complete List of DatasetsMin Max Bits Sample DatasetByte Register Description Bit Mapping for Breaker Status RegisterWL Configurator Brief Description Communication-capable Circuit Breakers Breaker Data Adapter BDA Breaker Data Adapter Plus BDA Plus Description Brief Description and System RequirementsBenefits of the BDA BDA as a Hand-Held Device or BDA Plus BDA in Offline Mode or BDA PlusIntranet and Internet BDA Plus as an Ethernet InterfaceCircuit breaker requirements What is Java?Getting started with the BDA Plus Temporary Connection to WL Circuit BreakersPermanent Meaning of the LEDs on the BDA Operation4This table provides technical data for the BDA and BDA Plus Technical data for the BDA and BDA PlusUsually have to be changed. They are shown as a reference Connection to the BDA via the Serial Communication SystemBreaker Data Adapter BDA Breaker Data Adapter BDA Breaker Data Adapter BDA Breaker Data Adapter BDA Breaker Data Adapter BDA Breaker Data Adapter BDA Breaker Data Adapter BDA Breaker Data Adapter BDA Breaker Data Adapter BDA Breaker Data Adapter BDA Breaker Data Adapter BDA Breaker Data Adapter BDA Breaker Data Adapter BDA Definition of Key Terms Connection to the BDA Plus via the Ethernet InterfaceSubnet Mask IP AddressesExample BDA IP AddressOffline/Online Mode Operating Instructions and TroubleshootingLanguages and Help Displaying DataSentron Password ProtectionOperation Example PrintingTroubleshooting List Fault Description Solution Siemens Energy & Automation, Inc. All Rights Reserved Siemens Energy & Automation, Inc

UL 489, UL1066 specifications

Siemens UL1066 and UL489 are essential components in the landscape of electrical equipment, specifically in circuit protection and control. These standards ensure reliability, safety, and efficiency in various applications, including industrial, commercial, and residential settings.

The Siemens UL1066 is primarily focused on disconnect switches. These devices are designed to isolate electrical circuits, ensuring the safety of both personnel and equipment during maintenance or in case of faults. One of the key features of UL1066 disconnect switches is their high breaking capacity, enabling them to handle significant fault currents without failure. This characteristic is crucial in protecting downstream equipment from damage caused by short circuits. The UL1066 switches are also known for their robust construction, often featuring a metal enclosure that enhances durability and environmental resistance. Additionally, these switches can be operated manually or remotely, offering flexibility in operation and control.

On the other hand, Siemens UL489 circuit breakers provide comprehensive protection against overcurrents and short circuits. These devices not only interrupt fault currents but also protect connected devices from damage due to overload situations. Key features of UL489 circuit breakers include adjustable trip settings, which allow users to customize the response to overcurrent conditions based on specific application requirements. This adaptability makes them suitable for a wide range of environments, from large industrial plants to smaller commercial buildings.

Both UL1066 and UL489 products are constructed with advanced technologies, such as thermal-magnetic or electronic trip mechanisms in UL489 devices, ensuring precise and timely interruption of fault currents. These technologies promote energy efficiency and stability within electrical systems. In addition, many of these devices are equipped with indication features, providing clear visual status cues for quick assessment in emergency situations.

In terms of characteristics, both UL1066 and UL489 devices adhere to rigorous testing and certification processes to meet UL standards. This compliance assures users of their performance and reliability. Furthermore, the devices are designed to accommodate a wide range of operating temperatures and environmental conditions, making them versatile choices for various applications.

In summary, Siemens UL1066 and UL489 devices are paramount in ensuring safety and efficiency in electrical circuits. Their advanced features and robust construction make them indispensable in protecting both personnel and equipment in an array of industrial and commercial applications.
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