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3A1577Rev1.9

Cooper Bussmann 

BU-905U-L-T Transmitter 

Quick Start Guide

Version 1.9

Read 

and 

Retain 

for Future 

Reference

Summary of Contents for BU-905U-L-T

Page 1: ...3A1577Rev1 9 Cooper Bussmann BU 905U L T Transmitter Quick Start Guide Version 1 9 Read and Retain for Future Reference ...

Page 2: ...k using a dedicated pair of transmitter and receiver units The basic steps for using your unit are 1 Connect the antenna power supply and transducer signals using the instructions in this document Power supply and transducer connection is described in the section Unit components and connections Antenna connection is described in the section Antenna installation For more information see the BU 905U...

Page 3: ...r BU 905U L T Transmitter unit has the following components and terminal connections IMPORTANT ELECTRICAL SAFETY INFORMATION In order to comply with Electrical Safety Regulations this module must be installed in an Electrical AND Fire enclosure This enclosure may be a single or multiple enclosures Access to the module is to be made by a Service Person only ...

Page 4: ...ition for example NOTE To avoid damaging the rotary switch use a screwdriver to change the position The rotary switch uses the following setpoint levels Position Lower Level mA Upper Level mA 1 4 8 6 4 2 6 4 8 0 3 8 0 9 6 4 9 6 11 2 5 11 2 12 8 6 12 8 14 4 7 14 4 16 0 8 16 0 17 6 9 17 6 19 2 SMA Antenna Connector at Top of Unit Indicator LEDs RS232 Configuration Port Rotary Switch for Setpoint Set...

Page 5: ... LED Flashes Transmitting Message PG LED on Configuration Cable Connected Input LED ON Input LEDs i e D1 D2 SP AZ light when the corresponding input is active D1 Digital Input 1 is active Low D2 Digital Input 2 is active SP Analog Setpoint is active AZ Analog Input is zero mA All LEDs medium flash Medium speed flash 1 6Hz indicates the module is half way through the configuration process Medium fl...

Page 6: ...ower on the transmitter The transmitter sends a special Link message to allow the receiver to recognize the transmitter 6 When the units link the receiver lights all LEDs for 2 seconds before returning to normal operation NOTE If the receiver LEDs continue flashing within the 60 seconds the units are not linked and you should retry the linking process by powering the transmitter off and on again I...

Page 7: ...latory codes 2 The units are intended for Restricted Access Locations 3 The Wireless I O module is intended to be installed in a final enclosure rated IP54 before use outdoors 4 The Equipment shall be powered using an external Listed Power Supply with LPS outputs or a Class 2 Power Supply 5 The Wireless I O module must be properly grounded for surge protection before use Unit Specifications Input ...

Page 8: ... assistance is available to all customers Staffed by degreed engineers this application support is available Monday Friday 8 00 a m 5 00 p m CT Contact s Phone 636 527 1270 s Fax 636 527 1607 s E mail fusetech cooperindustries com s Live Chat www cooperbussmann com Online Resources Visit www cooperbussmann com for the following resources s Product search cross reference s Product technical materia...

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