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cr09_01_2
LED indicators
The fieldbus board is equipped with four bi-colour LED's at the front of the board
showing the status.
LED 1 and 4 are reserved for future use.
LED 2 - Network status
Colour Frequency Description
Off - Not powered / Not on line
Green Steady on Link OK, On line, Connected
Green Flashing On line, Not connected
Red Steady on Critical link failure
Red Flashing Connection timeout
LED 3 - Module status
Colour Frequency Description
Off - No power to device
Green Steady on Device operational
Green Flashing Data size bigger than configured
Red Steady on Unrecoverable fault
Red Flashing Minor fault
Watchdog LED
The fieldbus board includes a bi-colour watchdog LED, indicating the status of the
module.
Colour Frequency Indication
Red - Unspecified internal error, or running in bootloader mode
Red 1 Hz RAM failure
Red 2 Hz ASIC or FLASH failure
Red 4 Hz DPRAM failure
Green 1 Hz Module initialised and running OK
Green 2 Hz Module not initialised
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