www.cooperbussmann.com/BussmannWirelessResources
Cooper Bussmann BU-905U-L-R Receiver Quick Start Guide
UL Notice:
1. The Wireless I/O module is to be installed by trained personnel / licensed electricians only and installation must be carried out in accordance
with the instructions listed in the Installation Guide and applicable local regulatory 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/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 I 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 – 928MHz
Actual frequency range depends on country.
Sensitivity
-110 dBm
At BER 8%.
Document Information
Quick Start Guide Cooper Bussmann BU-905U-L Wireless I/O Receiver Unit Version 1.9
Cooper Bussmann Contact Details
Telephone
636-527-1270
Fax
636-527-1607
Website
www.cooperbussmann.com
7
3A1578Rev1.9
