ABB | SACE Emax 2
200 | © 2013
ABB |
1SDH001000R0002 - L7804
Electronic accessories | 7 - Ekip Com Profibus modules
Signallings
A
C
B
The following table illustrates the possible signals, and their meaning:
Pos.
Description
A
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
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).
B
RX LED, green. The possible states are:
• Off: communication between master and release not active.
• On fixed: communication between master and release active.
C
TX LED, green. The possible states are:
• Off: communication between master and release not active.
• On flashing: communication between master and release active.