LED activity (4)
Indicator
Flashing green
Anybus-S status
indicator
74
Meaning
Each flash corresponds to receiving or sending an Ethernet data
packet
The Anybus-S status indicator is an LED on
the surface of the Anybus-S Interbus Fibre
Optic bus module. The following errors and
statuses are displayed by the Anybus-S
status indicator:
Status indicator lights up red
Internal error or operation in bootloader
mode
Status indicator flashes red, 1 Hz
Error in RAM configuration memory
Status indicator flashes red, 2 Hz
Error in ASIC or FLASH
Status indicator flashes red, 4 Hz
Error in DPRAM
Status indicator flashes green, 2 Hz
Bus module not initialised
Status indicator flashes green, 1 Hz
Bus module initialised,
normal operation