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Cooper Bussmann BU-905U-L - page 1
Cooper Bussmann BU-905U-L Wireless I/O Installation Manual Version 1.6 3A1580Rev1.6 Read and Retain for Future Reference ...
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Cooper Bussmann BU-905U-L - page 2
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.com Thank you for your selection of the BU-905U-L Wireless I/O. W e trust it ...
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Cooper Bussmann BU-905U-L - page 3
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. T o ensu re your BU-905U-L enjoys a long life, double-check ALL your connections with ...
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Cooper Bussmann BU-905U-L - page 4
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. NO TE: If your networ ...
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Cooper Bussmann BU-905U-L - page 5
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. T ransmitter Unit The BU-905U-L-T transmitter unit has the following components and terminal connections: 5 3A ...
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Cooper Bussmann BU-905U-L - page 6
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. The rotary switch controls the setpoint levels on the Analog and Thermocouple inputs. T ...
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Cooper Bussmann BU-905U-L - page 7
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 3A1580Rev1.6 ...
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Cooper Bussmann BU-905U-L - page 8
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 . OK LED Green Current status of the unit OK. OK LED Red Fault condition detect ...
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Cooper Bussmann BU-905U-L - page 9
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 following sections: Section Description For more infor mation, see … Supported antennas and cables Details the antennas and cables you can use with t ...
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Cooper Bussmann BU-905U-L - page 10
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 . T ...
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Cooper Bussmann BU-905U-L - page 11
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. 2. T o use a repeater unit, the BU-905U-L modules and the repeater module must be configured using the supplied conf ...
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Cooper Bussmann BU-905U-L - page 12
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: 3A1580Rev1.6 ...
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Cooper Bussmann BU-905U-L - page 13
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. Y ou can use the gain to: • Compensate for coaxial cable loss for transmitter unit; and • ...
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Cooper Bussmann BU-905U-L - page 14
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. Warning – Explosion Hazard Do ...
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Cooper Bussmann BU-905U-L - page 15
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. NPN transist ...
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Cooper Bussmann BU-905U-L - page 16
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. Each digital input circuit include ...
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Cooper Bussmann BU-905U-L - page 17
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. Y ou can use these outputs to directly control low-powered equipment or power larger relays for higher -powered equipme ...
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Cooper Bussmann BU-905U-L - page 18
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. Connect the output circuit to the appropriate ...
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Cooper Bussmann BU-905U-L - page 19
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). Note: Y ou should only connect one end of the cable shield to Earth T o connect an analog signal from a PL ...
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Cooper Bussmann BU-905U-L - page 20
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. The module provides li nearization tables for J, K and T type t ...
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Cooper Bussmann BU-905U-L - page 21
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 with the following characteristics: Characteristic V alue Maximum rate 10Hz Minimum OFF time 20mSec Minimum ON time 20mSec Note: Y ou should connect the ...
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Cooper Bussmann BU-905U-L - page 22
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. The analog output is a current source provided from an internally generated +24V loo ...
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Cooper Bussmann BU-905U-L - page 23
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 your unit and contains the following sections: Section Description For more infor mation, see … Installing the unit Describes how to physically insta ...
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Cooper Bussmann BU-905U-L - page 24
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 configuration – that lets you easily setup your network as a simple send/receive; or • User -defined customized configuration – that lets you set spe ...
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Cooper Bussmann BU-905U-L - page 25
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 . The following table describes common problems ...
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Cooper Bussmann BU-905U-L - page 26
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. All inputs are suitable for voltag ...
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Cooper Bussmann BU-905U-L - page 27
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. RS232 Serial Cable Y ou can connect the unit to a PC using an RS232 serial cable to: • T ...
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Cooper Bussmann BU-905U-L - page 28
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 . . . . . . . . . . . . . . . . . . . . . .17 active pulse device See active signal device . . . . . . . . . . . .15 analog ...
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Cooper Bussmann BU-905U-L - page 29
www .cooperbussmann.com/BussmannWirelessResources Cooper Bussmann BU-905U-L Wireless I/O Installation Manual Notes: 29 3A1580Rev1.6 ...
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Cooper Bussmann BU-905U-L - page 30
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.com Emergency and After -Hours Orders Next flight ou ...
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