Cooper Bussmann BU-905U-L installation manual The front panel contains the following components

Models: BU-905U-L

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

The front panel contains the following components:

SMA Antenna Connector at Top of Unit

Indicator LEDs

RS232 Configuration Port

RSSI Push-Button

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 detected in unit.

 

 

 

RX Led Flashes

Receiving Message.

 

 

 

CF Led ON

Module Communication Failure Output is active.

 

PG LED on

Configuration Cable Connected.

 

 

 

Output LED ON

The Output LEDS (i.e., D1, D2, D3) light when the corresponding output is active.

 

 

 

 

 

 

 

D1

 

Relay output D1 is ON (Contact Closed).

 

 

D2

 

Relay Output D2 is ON.

 

 

 

 

D3

 

Relay Output D3 is ON.

 

 

 

LEDs with RSSI Push

When you press the RSSI push button, the unit shows the signal strength by lighting the

Button Pressed

LEDs from the bottom to the top. Signal strength is the strength of the last message received

 

that was addressed to this station.

 

 

 

 

 

 

 

 

 

 

LED

 

Signal Strength

LED

 

Signal Strength

 

D1

 

More than -85 dBm

RX

 

More than -100 dBm

 

D2

 

More than -90 dBm

CF

 

More than -105 dBm

 

D3

 

More than -95 dBm

PG

 

Always on during RSSI test

Output LED flashing quickly

If an output is in communication failure, the corresponding LED flashes at 5 Hz.

 

 

 

 

D1

 

Relay Output D1 is in communication failure.

 

D2

 

Relay Output D2 is in communication failure.

 

D3

 

Relay Output D3 is in communication failure.

 

PG

 

Analog output is in communications failure.

 

 

 

 

 

 

 

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www.cooperbussmann.com/BussmannWirelessResources

3A1580Rev1.6

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Cooper Bussmann BU-905U-L installation manual The front panel contains the following components