2
91
34ZBTS_30-1200A rev.A / 1SCC303043M0201
3
Position Pin Description
E - Power LED, green. The possible states are:
• Off: power supply absent.
• On, fixed: power supply present, and communication via
Local Bus/Link Bus active (with LED Alive option disabled
).
• On, flashing once per second: power supply present, and
communication via Local Bus/Link Bus active (with LED Alive
option enabled
).
• On, with two quick flashes per second: power supply
present, and commu-nication via Local Bus/Link Bus absent
(e.g. because of Local Bus deactivation, or trip unit
disconnection
, or physical disconnection)
.
F
possible states are:
• Off: contact open.
• On, fixed: contact closed.
possible states are:
• Off: contact open.
• On, fixed: contact closed.
possible states are:
• Off: contact open.
• On, fixed: contact closed
possible states are:
• Off: contact open.
• On, fixed: contact closed.
possible states are:
• Off: contact open.
• On, fixed: contact closed.
G
possible states are:
• Off: contact open.
• On, fixed: contact closed.
possible states are:
• Off: contact open.
• On, fixed: contact closed.
possible states are:
• Off: contact open.
• On, fixed: contact closed.
possible states are:
• Off: contact open.
• On, fixed: contact closed.
possible states are:
• Off: contact open.
• On, fixed: contact closed.
(1)
The LED Alive option
with communication
via Local Bus is the one
set on the trip unit, with
communication via Link
Bus it's the one set on
the module.
(2)
With communication
via Link Bus, absence
of communication is
signalled if any trip unit
associated to the mod-
ule is disconnected.
(3)
The absence of
communication is
signalled if it persists
for at least 8 s.
—
Table 9.2 Output signals
F
G
E
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