I.L. 40-385.5
2-2
(v)
Trip contact sealed in by trip current; and
selectable dropout delay timer (0/50 ms.).
(w)
Selectable trip alarm seal-in.
(x)
RS-232C/PONI or INCOM/PONI data commu-
nication attachments.
(y)
Out-of-step block function with special design
logic for China.
2.2
OPTIONAL FUNCTIONS
2.2.1
Optional FT-14 switches.
2.2.2
Optional Single-pole-trip function with special
design logic for China. This function includes
the following functions:
(a)
SPT/SRI on first fault.
(b)
3PT/RB if reclosing on a permanent fault.
(c)
3PT/RB if second phase(s) fault during single-
phasing.
(d)
3PT on a preset time limit (62T) if the system
fails to reclose.
(e)
Trip/RI mode selection.