Thytronic NA11 User Manual

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NA11 - Manual - 02 - 2009
FUNCTION CHARACTERISTICS
The t
F-IPh
and t
F-IE
counters start when the output selective block becomes active. When the coun-
ters expire the block selective output is forced off (despite the start xxx remain active).
If the t
F-IPh
, t
F-IE
e t
F-IPh/IE
timers are cleared the selective block output state is freeze up to the start
xxx remain active.
With a setting other than 0.00 s, the t
F-IPh
, t
F-IE
e t
F-IPh/IE
timers may be used to have a backup pro-
tection available against breaker failure inside a selectivity logic system, as well as to hold blocked
upstream protective relay up to your own reset.
The periodic pulses that are sent by output circuit may be enabled or disabled by means the Pulse-
BLOUT1 parameter available inside the Set \ Pilot wire diagnostic menu.
The same setting must be for output (see Input selective block).
TF-timer.ai
t
t
F-IPh,
t
F-IE,
t
F-IPh/IE
t
F-IPh,
t
F-IE,
t
F-IPh/IE
Start xx
(internal elements)
tF timers
BLK2OUT-Iph
BLK2OUT-IE
BLK2OUT-Iph/IE
TF-timer.ai
t
t
F-IPh,
t
F-IE,
t
F-IPh/IE
t
F-IPh,
t
F-IE,
t
F-IPh/IE
Start xx
(internal elements)
tF timers
BLK2OUT-Iph
BLK2OUT-IE
BLK2OUT-Iph/IE

Thytronic NA11 Specifications

General

Brand	Thytronic
Model	NA11
Category	Relays
Language	English