GE AF-300, C11 manual F12 Electronic thermal O/L relay thermal time constant

Change during operation: N = impossible, Y* = possible (enabled by using

FUNC DATA

), Y= possible (enabled by using )

F12	Electronic thermal O/L relay (thermal time constant)							Factory	Change during
								setting	operation
								5.0min	Y*
			0.		5		This function sets the operating time of the electronic thermal O/L relay when the
			to				current that is 150% of the operation level flows.
		1		0.		0	0.5 to 10.0 min. can be set (in 0.1 min. step).

The figure on the right shows the continuous permissible current with F10 (electronic thermal O/L relay [Select]) = 1.

(%)		Continuous permissible current (F10=1)
			˜ A ‘± ‹ – — e “d —(F¬1 0 = 1 )
	1 2 0
current	1 0 0
permissible[%]	8 0
˜A‘±‹–—e“d—¬	4 0
	6 0
Continuous	2 0
	0
	0	0 .2	0 .4	0 . 6	0 . 8	1
		Output frequency/base frequency
			? o — Í? ü” g ? ”Í? °? ( S î’ê		) ? ü ”g ? ”

The figure at right shows the continuous permissible cur- rent with F10 (electronic thermal O/L relay [Select]) =

2.100% of the continuous permissible current is the current value set with func- tion F11 (electronic thermal O/L relay [Level]).

permissible
Continuous	current (%)

Continuous permissible current (F10=2)

120

100

80

60

40

20

0

0 0.2 0.4 0.6 0.8 1

Output frequency/base frequency

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