Delta Electronics VFD-S manual „ Two-wire/three-wire

Chapter 5 ParametersVFD-S Series

„Two-wire/three-wire

Applications	Purpose					Functions	Related
							Parameters
			FWD/STOP				4-04~4-08
						M0 "Open": Stop, "Close": FWD Run
			REV/STOP
						M1 "Open": Stop, "Close":REV Run
	To run, stop,					GND
						M0 "Open": Stop, "Close": Run
General application	forward and		RUN/STOP
	reverse by external					M1 "Open": FWD, "Close":REV
			REV/FWD
	terminals
						GND
						3-wire
		STOP RUN
					M0 Run command, Runs when "close"
					M2 Stop command, stops when "Open"
					M1 REV/FWD Run selection
				REV/FWD	"Open": FWD Run
					"Close": REV Run
						GND
„ Frequency Hold
Applications	Purpose				Functions		Related
							Parameters
General application	Acceleration/	Hold output frequency during					4-04~4-08
	deceleration pause	Acceleration/deceleration
„ Auto Restart after Fault
Applications	Purpose				Functions		Related
							Parameters
Air conditioners,	For continuous and	The AC motor drive can be					8-14
	reliable operation	restarted/reset automatically up to 10
remote pumps	without operator
		times after a fault occurs.
	intervention

„Emergency Stop by DC Brake

Applications	Purpose	Functions	Related
			Parameters
	Emergency stop	AC motor drive can use DC brake for	8-00
		emergency stop when quick stop is	8-02
High-speed rotors	without brake	needed without brake resistor. When
			8-03
	resistor	used often, take motor cooling into
		consideration.

Revision August 2008, SE09, SW V2.61 5-13