Hardware reference guide

Quantum Field Bus Modules
232
35013379 02 October 2007
LED Status The following figure shows the LED Status display.
The following table provides descriptions of the Status LEDs.
LEDs Color Function Description
Active Green On Indicates bus communication is
present
Flashing The flash ram load operation is active
Ready Green On Module is operational
Fault Red On Indicates fault. Refer to LED fault
codes in manual 840USE46800.
Backplane Green Flashing Indicates fault. Refer to LED fault
codes in manual 840USE46800.
PROFIBUS Green Flashing Erroneous configuration data or
PROFIBUS fault
DP S/R Green Fast flashing frequency Sending/receiving DP bus data
Medium flashing frequency Slaves are configuring
Slow flashing frequency Waiting for configuration data
Flashing with fault code Erroneous configuration data
Load Yellow Flashing Configuration data load operation
active
Flashing with fault code Load operation fault
Active
Ready Fault
Backplane
PROFIBUS
DP S/R
Load
Resetting Fault LED
To reset the fault LED the CRP811 must be power cycled or hot swapped.
Failure to follow these instructions can result in injury or equipment damage.
CAUTION
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