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

Models: BU-905U-L

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The front panel contains the following components:

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

Rotary Switch for Setpoint Settings

The triangle on the rotary switch indicates the current position, for example:

NOTE: To avoid damaging the rotary switch, use a screwdriver to change the position.

The rotary switch controls the setpoint levels on the Analog and Thermocouple inputs.

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.

TX 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 halfway through the configuration process.

 

Medium flash also happens when you set the rotary switch to position 0 when powering on the unit.

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www.cooperbussmann.com/BussmannWirelessResources

3A1580Rev1.6

Page 6
Image 6
Cooper Bussmann BU-905U-L installation manual The front panel contains the following components