DEMA CPM 310 G, User Manual

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Outputs that can be latched are listed below:
1.
TRIP CB Trip Output; via settings of the 13
protection functions above.
2.
RL1 Programmable Output 1.
3. RL2 Programmable Output 2.
4. RL3 Programmable Output 3.
5. RL4 Programmable Output 4.
6. RL5 Programmable Output 5.
7. RL6 Programmable Output 6.
When configuring the latch settings, the following point
must be considered.
A.
If a programmable output is appointed to the Trip
Relay, the latching of the programmable output will
result also in the latching of the Trip Relay.
B.
If the tripping function is appointed to any of the
programmable output relays, a Trip Relay latching
action will result also in the latching of those
programmable outputs.
WARNINGS & NOTES:
 If the auto-recloser function is activated on a unit
with active latch settings, all latch settings will be set
out of service (set to Passive) instantly.

When the
Trip Relay
is set to latch when activated,
the circuit breaker will not be able to close successfully
neither by remote nor by manual commands before
resetting the latched
Trip Relay
; if such a case is
confronted, keep in mind that the
Trip Relay
latch
MUST BE RESET before closing the CB.
 The latched programmable output relays (RL1 – RL6)
can be reset by triggering a “RL1 – RL6 Reset”
programmed input. □