LG Electronics C Series manual Frequency limit setting, F24 Frequency High/Low, Limit select

Chapter 9. Basic functions

9.7Frequency limit setting

z Frequency limit setting based on Max and start frequency
		Group	LED display	Parameter name		Set		Min/Max		Factory	Unit
						value		range		defaults
	Function		F21	[Max frequency]	-		0/400		60.0		Hz
	group 1
			F23	[Start frequency]	-		0/10		0.5		Hz

ƒ Max frequency: Frequency high limit except for F22 [Base frequency]. Any frequency cannot be set above [Max frequency].

ƒ Start frequency: Frequency low limit. If a frequency is set lower than this, 0.00 is automatically set.

z Run frequency limit based on frequency High/Low limit
		Group	LED Display		Parameter Name	Set		Min/Max		Factory	Unit
						Value		Range		Defaults
	Function		F24		[Frequency High/Low	1	0/1		0
	group 1				limit select]
			F25	[Frequency high limit]		-	0/400		60.0		Hz
			F26	[Frequency low limit]		-	0/400		0.5		Hz

ƒSet F24 to 1.

ƒActive run frequency can be set within the range set in F25 and F26.

When frequency setting is done via Analog input (voltage or current input), the inverter operates within the range of high and low limit frequency as shown below.

This setting is also valid when frequency setting is done via keypad.

When freq. limit is not

Freq.selected

High limit	Max freq.
freq.
Low limit
freq.	10V	V1(Voltage input)
0	20mA	I (Current input)

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