Delta Electronics VFD-M manual Settings, Function, Description

Chapter 4 Parameters

Settings	Function						Description
		Parameter value 18 programs Multi-Function Input Terminal:
		M1 (Pr.38), M2 (Pr.39), M3 (Pr.40), M4 (Pr.41) or M5 (Pr.42)
		to increase the AC drive’s internal counter. When an input is
		received, the counter is increased by 1.
				Trigger
						Mx counter value increase by
				18 counter		1 when closed.
				trigger signal
				input.
						GND
18	Counter Trigger Signal	Note: The Counter Trigger input can be connected to an
		external Pulse Signal Generator when counting a
		process step or unit of material. See the diagram
		below.
		Indication value							2ms
			(Pr.64=1)
		Counter trigger signal
		Multi-function input terminal
										2ms
		(Pr.38 to Pr.42 =18)
					(Pr.97=3)			The trigger timing
		Signal output with Pr.97						can't be less than
		counter value is attained. (Pr.45/46=13)						2ms.(<250Hz)
		Signal output with Pr.96				(Pr.96=5)
		counter value is attained. (Pr.45/46=14)
		Parameter value 19 programs Multi-Function Input Terminal:
		M1 (Pr.38), M2 (Pr.39), M3 (Pr.40), M4 (Pr.41) or M5 (Pr.42)
		to reset the counter.
19	Counter Reset		Reset counter
						Mx "close": reset counter.
			19 reset the
			counter value.
						GND
		Enter value (20) to disable any Multi-Function Input Terminal:
		M1 (Pr.38), M2 (Pr.39), M3 (Pr.40), M4 (Pr.41) or M5 (Pr.42)
20	No Function	Note: Purpose of this function is to isolate unused Multi-
		Function Input Terminals. Any unused terminals should
		be programmed to 20 to insure they have no effect on
		drive operation.

4-38 Revision May 2008, ME14, SW V3.04