Siemens UL 489, UL1066 Function 04 Read Input Registers, Function 05 Write Single Coil

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Communication-capable Circuit Breakers

WL Circuit Breaker

Function 04: Read Input Registers

Function

This function reads the Basic Data Registers from a COM16 slave. All three Basic Types (1, 2 and 3) are

 

 

supported. (see pages 3/11, 3/12 and 3/13 for Basic Data)

 

 

 

Start Address

Any Data Block register address that is valid for the currently selected Basic Type. If any other address is

 

specified, an Exception Code of 02 (Invalid Data Address) will be returned.

 

 

 

Quantity of

If “Quantity of Registers” is not in the range of 1 to 125, an Exception Code of 03 (Invalid Data Value) will be

Registers

returned. If the “Quantity of Registers” specified attempts to read beyond the last register of the currently

 

selected Basic Type, an Exception Code 02 (Invalid Data Address) will be returned.

 

 

 

Function 05: Write Single Coil

Function

This function sets the state of a single Control bit or Extra flag in a COM16 slave.

 

 

 

 

Bit 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.

 

 

 

Bit status

The following two values are valid as the Bit Status:

 

FF00H set bit

 

0000H clear bit

 

If any other value is specified, an Exception Code of 03 (Invalid Data Value) will be returned.

 

 

 

Function 07: Read Exception Status

 

Function

 

This function reads the state of eight Exception Status bits from the COM16 slave.

 

 

 

 

The bits are defined in Table 3-1.

 

 

 

 

 

 

 

 

 

 

 

Bit Number

WL

 

 

0

Set = Inspect breaker contacts*

 

 

1

Set = Communication with trip unit is OK

 

 

2

Set = COM16 is OK

 

 

3

not defined, always zero

 

 

4

not defined, always zero

 

 

5

not defined, always zero

 

 

6

not defined, always zero

 

7

not defined, always zero

 

Table 3-1

 

 

 

 

*Refer to the Operator's Manual for proper procedure. (Only for WL ANSI / UL 1066 version.)

3/4

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 Registered Trademarks Safety GuidelinesQualified Personnel Correct UsageIntroduction Overview Content of the Manual GeneralIntroduction Easy Planning System SolutionsWL Circuit Breakers-Modular Intelligent Cost SavingModbus 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 points with the same source 755 or Data Availability on the CubicleBUSData point group ETU745 MeteringPin Configuration Modbus COM16 Module and the BSSModbus Module COM16 Modbus Installation Guideline Modbus Write Protection DPWriteEnableData Exchange via the COM16 Module Meaning Position and text on the cable CubicleBUSCubicleBUS + Position Rear Microswitch S46 Middle S47 Front S48Meaning Cubicle BUS LED MeaningBreaker Status Sensor BSS General Metering Function PlusMetering Function Plus Harmonic analysisWaveform buffer Maximum distance from voltage transformer Parameters for the settings of the metering functionVoltage Transformers VT AccuracyMetering range 81THDC Important functions/parameters for communications Load ManagementExtended Protective Function Event and Trip Log Normal Positive Power Flow DirectionSetpoints Minimum for Communicated CurrentsRotary Switches InstallationExternal CubicleBUS Modules Power Supply Maximum CubicleBUS ConfigurationCubicleBUS Installation Guidelines All other LEDs Meaning LED DisplayMeaning CubicleBUS LED MeaningDevice Testing the Digital Input and Output ModulesFunctional description for changing parameter sets Technical data for the digital input moduleDigital Input Module Functional descriptionDelay time Digital Output Module with Rotary SwitchSelector switch position to the left Selector switch position to the rightConfigurable Digital Output Module Trigger event Waveform buffer B Technical data for the digital configurable output moduleAnalog Output Module Power value ranges W/VASwitch position cos Technical data for the analog output moduleTest function ZSI Module Operating principleExample 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 COM16 Supported Function Codes Function 01 Read CoilsFunction 02 Read Discrete Inputs Function 03 Read Holding Registers Request Message to slaveReply Message from slave Function 04 Read Input Registers Function 05 Write Single CoilFunction 07 Read Exception Status Function 08 Diagnostics Function 11 Get Communication Event CounterFunction 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 CodesDefault Register Lists Basic Data Type 1 Registers and Default Data PointsBasic 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 Brief Description and System Requirements DescriptionBenefits 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 InterfaceWhat is Java? Circuit breaker requirementsGetting started with the BDA Plus Connection to WL Circuit Breakers TemporaryPermanent 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 InterfaceBDA IP Address IP AddressesSubnet Mask ExampleDisplaying Data Operating Instructions and TroubleshootingOffline/Online Mode Languages and HelpPrinting Password ProtectionSentron Operation ExampleTroubleshooting 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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