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Technical Information
Indicators
Two LEDs are present on the interface: one green and one red.
The red led indicates that the interface is correctly powered.
The green led shows the interface status according the following table:
--------------------------------------------- 550 ms period-------------------------------------
1 pulse
2 pulses
Blink fast
Blink slow
1 pulse
ProfiBus link established, controller link NOT established yet (Controller state
machine not in Regular data exchange). This situation could be normal in the first
seconds after the interface power on (Controller address searching phase) or after
the controller power-on.
2 pulses
ProfiBus link not established yet (ProfiBus state machine not in Regular data
exchange). This failure has priority (in the indication) over the previous.
Blink fast
Gateway fail (internal check) or wrong address set (address > 0x7D or address not
stable during power-on).
Blink slow
Gateway operating properly.
Agilent 4UHV Ion Pump Controller User Manual
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