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www.cooperbussmann.com/BussmannWirelessResources
Cooper Bussmann BU-905U-L Wireless I/O Installation Manual
The front panel contains the following components:
3A1580Rev1.7
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.
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:
