Burkert Type 8791 - Manual (Page 58)

58
AS-Interface
15.5. leD status display (bus)
The LED bus status display indicates the status of the AS-Interface (LED green and red).
Bus LED 1, green
Bus LED 2, red
Table 34: LED status display (Bus)
Bus leD 1 (green) Bus leD 2 (red)
off off POWER OFF
off on No data traffic (expired Watch Dog at slave address does not equal 0)
on off OK
flashing on Slave address equals 0
off flashing Electronic error or external reset
flashing flashing Timeout bus communication after 100 ms (periphery error)
Table 35: LED Status display
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Type 8791