Cooper Bussmann BU-905U-L installation manual Transmitter Unit, Receiver Unit, Unit Specifications

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Cooper Bussmann BU-905U-L Wireless I/O Installation Manual

 

 

UNIT SPECIFICATIONS

This section details the specifications for each unit.

Transmitter Unit

 

 

Input/output

Number

Additional information

Digital Inputs

2

Dry-contact digital inputs slow-pulsed at 10Hz.

 

 

All inputs are suitable for voltage free contacts (e.g. mechanical switches) or

 

 

NPN transistor devices (e.g. electronic proximity switches).

 

 

NOTE: PNP transistor device inputs are NOT suitable.

Status Outputs

2

Separate System OK and Setpoint Status

Analog Inputs

1

0-20mA differential input; 16-bit resolution, 0.1% accuracy, 10 ohm input impedance.

Thermocouple Inputs

1

J, K or T Type thermocouple with on-board cold-junction compensation.

 

 

Cold junction compensation accuracy ±1º over ambient temp range: -40º to +70ºC.

Power Supply

1

9-30Vdc 0.6 Amp CSA certified Class 2 power supply. For use in Class I Div 2 hazardous

 

 

locations, the power supply must be approved for Class 1 Div 2 use.

 

 

WARNING: Explosion hazard - do not disconnect while circuit is live unless area is

 

 

known to be non-hazardous.

Transmitter

1

1-Watt Frequency Hopping Spread Spectrum (FHSS) Transmitter.

Frequency

902-928 MHz

Actual frequency range depends on country.

Receiver Unit

 

 

Input/output

Number

Additional information

Digital outputs

3

Voltage-free contacts rated at 250Vac, 1A, 30Vdc 1A 2 for digital inputs and 1 for setpoint.

Status outputs

2

Separate System OK and communication failure output.

Analog output

1

16-bit resolution, 0.1% accuracy, single-ended source output.

Power supply

1

9-30Vdc 0.25 Amp CSA certified Class 2 power supply. For use in Class I Div 2 Hazardous

 

 

locations, the power supply must be approved for Class 1 Div 2 use.

 

 

WARNING: Explosion hazard - do not disconnect while circuit is live unless area is

 

 

known to be non-hazardous.

Radio receiver

1

High sensitivity FHSS UHF radio receiver.

Frequency

902-928 MHz

Actual frequency range depends on country.

Sensitivity

-110 dBm

At PER 8%.

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3A1580Rev1.6

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Contents Cooper Bussmann BU-905U-L Wireless I/O Installation Manual Contents Cooper Bussmann Application EngineeringIndustry Canada BU-905U-L Wireless I/O Module Safety InformationFCC Notice when used in USA 905U Wireless I/O Module Safety Information FCC NoticeAbout This Document Installing Your UnitSpecifications Know technical information about your unit Section Read this section if you want toUnit Components and Connections Transmitter UnitIndicates Receiver Unit LEDs with Rssi Push PG LED on Configuration Cable Connected Output LED onSignal Strength Button PressedInstalling the Antenna Supported AntennasArea Distance Additional information USA/Canada 20+ miles Radio Transmission DistancesRG58 RG213 Cellfoil Australia/NZ 20+ kmCollinear Antennas Installing and Earthing AntennasOmni-directional Antennas 3A1580Rev1.6 Vertical polarization for the stations Yagi Directional AntennasHorizontal polarization for the stations With a common stationInstalling the Power Supply Digital Inputs Inputs and OutputsVoltage free contact Active 0-5v signal device Connection MethodImportant Safety Information Relay OutputsStatus Output Status OutputsAnalog Input Wire Transducer Current Source Output Thermocouple Input Current sink outputPassive transistor Active pulse device Pulse InputMinimum on time Analog Output Installing the Unit Installing and Configuring the UnitOther Signals Configuring Your UnitsSignals Sent Over Radio SendsTesting Your Units Receiver Unit Unit SpecificationsTransmitter Unit RS232 Serial Cable Signal Name Normal ColorAncillary Hardware Reference Information Parity No parityConnections ConfigurationIndex ReceiverCooper Bussmann BU-905U-L Wireless I/O Installation Manual Customer Assistance

BU-905U-L specifications

The Cooper Bussmann BU-905U-L is a critical component known for its reliable performance in various electrical applications. This fuse is designed to protect circuits from overloads and short circuits, ensuring the safety and integrity of electrical systems in residential, commercial, and industrial settings.

One of the main features of the BU-905U-L is its high breaking capacity, which allows it to effectively interrupt excessive current flow without damaging connected devices. This feature makes it suitable for use in demanding environments where reliable protection is crucial. The fuse is built to handle transient events, making it ideal for applications subject to short bursts of high current.

The fuse utilizes advanced materials and technologies to enhance its durability and efficiency. Its construction includes a robust, non-combustible housing that offers excellent thermal resistance and mechanical strength. This ensures the fuse can withstand harsh operating conditions while maintaining its protective capabilities. The BU-905U-L is also designed for quick and easy replacement, minimizing downtime during maintenance.

Another significant characteristic of the BU-905U-L is its thoughtful design for ease of installation. It features a standard size that is compatible with various fuse holders, allowing for a seamless integration into existing systems. Additionally, the fuse is marked with clear ratings, enabling users to quickly identify its specifications for proper selection and installation.

In terms of electrical ratings, the BU-905U-L is designed to handle a specific voltage and current, which makes it suitable for a diverse range of applications, including motor protection, lighting circuits, and power distribution systems. These fuses come with various current ratings, offering flexibility for different load requirements.

Moreover, built on a commitment to safety and quality, Cooper Bussmann ensures that the BU-905U-L meets stringent industry standards and certifications. This not only guarantees the reliability of the product but also provides peace of mind to users knowing that their electrical systems are well protected.

In summary, the Cooper Bussmann BU-905U-L fuse combines high performance, advanced material technology, and user-friendly characteristics, making it an invaluable component in any electrical system. Whether for industrial machinery or everyday electrical circuits, this fuse provides essential protection, ensuring safety and reliability in energy management.
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