Festo Soft Stop SPC11 ASI Serie Guide De Référence Rapide page 17

ASI LED Fault LED
on off
off off
flashes on
on flashes
flashes flashes
on on
Festo SPC11−...−ASI 0511b English
Meaning
AS−Interface voltage applied, no fault
No AS−Interface voltage on the bus
AS−Interface address not set (= 0)
There is a fault (see system manual)
Bus communication failed
(watchdog expired)
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