Mitsubishi Electronics FR-A500L instruction manual Type Symbol Terminal Name Description

						INSTALLATION AND WIRING
Type		Symbol	Terminal Name			Description
		10E		10VDC, permissible load current		When the frequency setting potentiometer is
			Frequency setting	10mA		connected in the factory-set state, connect it to
						terminal 10.
			power supply	5VDC, permissible load current
		10				When it is connected to terminal 10E, change the
				10mA
	settingfrequencyAnalog					input specifications of terminal 2.
signalsInput				By entering 0 to 5VDC (0 to 10VDC), the maximum output frequency is reached at
		2	Frequency setting	5V (or 10V) and I/O are proportional. Switch between input 0 to 5VDC (factory
			(voltage)	setting) and 0 to 10VDC from operation terminal. Input resistance 10kΩ. Maximum
				permissible voltage 20V.
			Frequency setting	By entering 4 to 20mADC, the maximum output frequency is reached at 20mA and
		4		I/O are proportional. This input signal is valid only when the AU signal is on. Input
			(current)
				resistance 250Ω. Maximum permissible current 30mA.
				By entering 0 to ±5VDC 0 to ±10VDC, this signal is added to the frequency setting
		1	Auxiliary frequency	signal of terminal 2 or 4. Switch between input 0 to ±5VDC and 0 to ±10VDC
			setting	(factory setting) from operation terminal. Input resistance 10kΩ. Maximum
				permissible voltage ±20V.
		5	Frequency setting	Common to the frequency setting signal (terminal 2, 1 or 4) and analog output
			input common	terminal AM. Do not earth.
	Contact			Change-over contact output indicating that the output has been
				(continuity across A-C), normal: continuity across B-C
				stopped by the inverter protective function activated.
		A，B，C	Alarm output	200VAC 0.3A, 30VDC 0.3A. Alarm: discontinuity across B-C
				(discontinuity across A-C).
				Switched low when the inverter output frequency is equal to or
				higher than the starting frequency (factory set to 0.5Hz,
		RUN	Inverter running	variable).
				Switched high during stop or DC dynamic brake operation(note1)
				Permissible load 24VDC 0.1A.			Output terminal
				Switched low when the output frequency has reached within			function selection
		SU	Up to frequency	±10% of the set frequency (factory setting, variable). Switched			(Pr. 190 to Pr.
signalsOutput	collectorOpen			high during acceleration, deceleration or stop(note 1). Permissible			195) change
				load 24VDC 0.1A.			terminal
				Switched low when the stall prevention function has caused			functions.
		OL	Overload alarm	stall prevention to be activated. Switched high when stall
				prevention is reset(note 1). Permissible load 24VDC 0.1A.
			Instantaneous power	Switched low when instantaneous power failure or
		IPF		undervoltage protection is activated(note 1). Permissible load
			failure	24VDC 0.1A.
				Switched low when the output frequency has reached or
		FU	Frequency detection	exceeded the detection frequency set as appropriate. Switched
				high when below the detection frequency(note 1). Permissible load
				24VDC 0.1A
		SE	Open collector output	Common to the RUN, SU, OL, IPF and FU terminals.
			common
	Pulse					Factory setting of output item:
		FM	For meter	One selected from 16 monitoring		Frequency
				items, such as output		Permissible load current 1mA
				frequency, is output(note 2).		1440 pulses/second. at 60Hz
	Analog			The output signal is proportional		Factory setting of output item:
		AM	Analog signal output	to the magnitude of each		Frequency
				monitoring item.		Output signal 0 to 10VDC
						Permissible load current 1mA
Communication	RS485			· Overall length	: 500m
				With the operation panel connector, communication can be made through RS-485.
				· Conforming Standard	: EIA Standard RS-485
		⎯⎯	PU connector	· Transmission format	: Multi-drop link
				· Communication speed : Maximum 19200 baud rates

Note1: Low indicates that the open collector outputting transistor is on (conducts). High indicates that the transistor is off (does not conduct).

Note2: Not output while the inverter is reset.

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