Error handling and diagnostics, Cpu basic moule, Leds on the basic cpu module – BECKHOFF CX50x0 User Manual
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Notes on the documentation
66
CX50x0 - Hardware Documentation
6. Error handling and diagnostics
CPU basic moule
LEDs on the basic CPU module
Display
LED
Meaning
PWR Power supply
The Power LED comes on when the device is connected to a live power supply unit
(green).
TC
TwinCAT status LED
TwinCAT is in Run mode (green)
TwinCAT is in Stop mode (red)
TwinCAT is in Config mode (blue)
HDD Read/Write Compact Flash (red)
Indicates access to the CF card.
FB1
Status LED1 for fieldbus
(function is written at the fieldbus interface)
FB2
Status LED2 for fieldbus
(function is written at the fieldbus interface)