Instruction/ maintenance manual of the product BU-905U-L Cooper Bussmann
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Cooper Bussmann BU-905U-L Wireless I/O Installation Manual Version 1.6 3A1580Rev1.6 Read and Retain for Future Reference.
2 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-905U-L Wireless I/O Installation Manual Cooper Bussmann Application Engineering • Phone 8:00 a.m - 5:00 p.m. Central, M-F (636) 527-1270 • Fax: (636) 527-1607 • E-mail: FuseT ech@cooperindustries.
www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-905U-L Wireless I/O Installation Manual 3 3A1580Rev1.6 Safety Information Thank you for selecting the BU-905U-L for your telemetry needs. We trust it will give you many years of valuable service.
4 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-905U-L Wireless I/O Installation Manual About This Document This document is the BU-905U-L Wireless I/O Installation Manual that describes how to install your BU-905U-L units and contains important information for installing your units with other equipment.
www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-905U-L Wireless I/O Installation Manual Unit Components and Connections This section shows the components and terminal connections for the transmitter and receiver units.
6 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-905U-L Wireless I/O Installation Manual The front panel contains the following components: 3A1580Rev1.6 NO TE: T o avoid damaging the rotar y switch, use a screwdriver to change the position.
www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-905U-L Wireless I/O Installation Manual Receiver Unit Y our BU-905U-L-R unit has the following components and terminal connections: 7 3A1580Rev1.
8 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-905U-L Wireless I/O Installation Manual The front panel contains the following components: 3A1580Rev1.6 The LEDs on the front panel indicate the unit status: LED Status Indicates None No power supply .
www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-905U-L Wireless I/O Installation Manual Installing the Antenna This section explains how to install your antenna and contains the f.
10 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-905U-L Wireless I/O Installation Manual For example, an BU-SG900-6 antenna with a BU-CC20-SMA cable kit has a net gain of 2dB (i.e., +8 dB – 6 dB) at 900 MHz. The BU-905U-L-R module has no limitation on antenna gain, as this module does not incorporate a radio transmitter .
www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-905U-L Wireless I/O Installation Manual NO TE: 1. Cooper Bussmann recommends using the 905U-G module as a repeater unit between BU-905U-L-T and BU-905U-L-R modules.
12 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-905U-L Wireless I/O Installation Manual The following diagrams shows the recommended installation for omni-directional antennas: 3A1580Rev1.
www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-905U-L Wireless I/O Installation Manual Y agi Directional Antennas Y agi antennas are directional and have positive gain to the front of the antenna and negative gain in other directions.
14 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-905U-L Wireless I/O Installation Manual Installing the Power Supply The unit works with a 9-30Vdc 0.6 Amp CSA certified Class 2 power supply . For use in Class 1 Div 2 hazardous locations, the power supply must be approved for Class 1 Div 2 use.
www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-905U-L Wireless I/O Installation Manual I NPUTS AND OUTPUTS The units have the following inputs and outputs: Input/Output BU-905U-L-T BU-905U-L-R Description For more infor mation, see … Digital inputs 2 Suitable for V oltage free contact, Digital inputs on page 15.
16 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-905U-L Wireless I/O Installation Manual The unit provides contact wetting current of approximately 5mA to maintain reliable operation of driving relays. Each digital input is connected between the appropriate Digital Input terminal and Ground.
www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-905U-L Wireless I/O Installation Manual Relay Outputs The BU-905U-L-R module provides three normally open voltage-free relay contacts rated at 250Vac / 30Vdc 1A.
18 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-905U-L Wireless I/O Installation Manual Status Outputs The unit contains the following status outputs: • System OK; • Setpoint Output; and • Communications Failure. Status outputs are FET output to common rated at 30Vdc 500mA.
www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-905U-L Wireless I/O Installation Manual Cooper Bussmann recommends using shielded cable for analog I/O loops to minimize induced noise and Radio Frequency Interference (RFI).
20 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-905U-L Wireless I/O Installation Manual Analog Signal Sour ce Example Current sink output Thermocouple Input The BU-905U-L-T provides one input suitable for connection to a thermocouple or a millivolt level signal.
www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-905U-L Wireless I/O Installation Manual Pulse Input The BU-905U-L-T module lets you configure the digital inputs as pulse inputs wi.
22 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-905U-L Wireless I/O Installation Manual Analog Output The BU-905U-L-R module provides a 4 - 20mA DC analog output for connecting to instrument indicators to display remote analog me asurements.
www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-905U-L Wireless I/O Installation Manual I NST ALLING AND CONFIGURING THE UNIT This section describes how to install and configure y.
24 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-905U-L Wireless I/O Installation Manual Configuring Y our Units Y ou can configure your network using: • Default factory confi.
www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-905U-L Wireless I/O Installation Manual T esting Y our Units We recommend you bench test the complete system before installing a new system. Configuration problems are easier to identify and fix when the units are next to each other .
26 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-905U-L Wireless I/O Installation Manual U NIT S PECIFICA TIONS This section details the specifications for each unit. T ransmitter Unit Input/output Number Additional information Digital Inputs 2 Dry-contact digital inputs slow-pulsed at 10Hz.
www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-905U-L Wireless I/O Installation Manual Ancillary Hardware Reference Information This section contains reference information about additional hardware components you may need for your unit.
28 www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-905U-L Wireless I/O Installation Manual 2-Wire transducer . . . . . . . . . . . . . . . .19 4-Wire transducer . . . . . . . . . . . . . . . .19 AC relays . . . . . . . . . . . . .
www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-905U-L Wireless I/O Installation Manual Notes: 29 3A1580Rev1.6.
PDF Only Customer Satisfaction T eam Available to answer questions r egarding Cooper Bussmann products & services Monday-Friday , 8:00 a.m. – 4:30 p.m. for all US time zones. s Toll-free phone: 855-287-7626 (855-BUSSMANN) s T oll-free fax: 800-544-2570 s E-mail: busscustsat@cooperindustries.
An important point after buying a device Cooper Bussmann BU-905U-L (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
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If you already are a holder of Cooper Bussmann BU-905U-L, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Cooper Bussmann BU-905U-L.
However, one of the most important roles played by the user manual is to help in solving problems with Cooper Bussmann BU-905U-L. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Cooper Bussmann BU-905U-L along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center