Signallings - ABB SACE Emax 2 Series Installation, Operation And Maintenance Instructions

Signallings

B C
200 | © 2013 ABB | 1SDH001000R0002 - L7804
The following table illustrates the possible signals, and their meaning:
Pos. Description
Power status LED, green. The possible states are:
• Off: power supply absent.
• On fixed: power supply and communication with the release present (with a
release with the Alive LED option disabled).
• On, with one flash per second (synchronized with that of the green LED on
A
the release): power supply and communication with release present (with a
release with the Alive LED option enabled).
• On, with two quick flashes per second (not synchronized with those of the
green LED on the release): power supply present, and communication with
release absent (for example, because Local Bus disabled).
RX LED, green. The possible states are:
B • Off: communication between master and release not active.
• On fixed: communication between master and release active.
A
TX LED, green. The possible states are:
C • Off: communication between master and release not active.
• On flashing: communication between master and release active.
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