Mitsubishi Electronics FR-F700 Pr Remote setting function, Pr , 58, 162 to 165, 299, Description

Pr. 57, 58, 162 to 165, 299, 611

Restart operation after instantaneous power failure / Flying start

Pr.57 Restart coasting time	Pr.58 Restart cushion time
Pr.162 Automatic restart after instantaneous power failure selection
Pr.163 First cushion time for restart
Pr.164 First cushion voltage for restart	Pr.165 Stall prevention operation level for restart

Pr.299 Rotation direction detection selection at restarting

Pr.611 Acceleration time at a restart

You can restart the inverter without stopping the motor in the following cases.

⋅when commercial power supply operation is switched to inverter operation

⋅when power comes back on after an instantaneous power failure

⋅when motor is coasting at start

Pr.	Setting Range	Description
Number
		1.5K or less..........0.5s,
	0	2.2K to 7.5K.........1s,
		11K or more ........3.0s
57		75K or more ........5.0s
		The above times are coasting time.
	0.1 to 5s/	Set the waiting time for inverter-triggered
		restart after an instantaneous power
	0.1 to 30s *
		failure.
	9999 (initial value)	No restart
58	0 to 60s	Set a voltage starting time at restart.
	0 (initial value)	With frequency search
	1	Without frequency search (reduced
162		voltage system)
	10	Frequency search at every start
	11	Reduced voltage system at every start
163	0 to 20s	Set a voltage starting time at restart.
		Consider using these parameters
164	0 to 100%	according to the load (inertia moment,
		torque) magnitude.
165	0 to 150%	Consider the rated inverter current as
		100% and set the stall prevention
		operation level during restart operation.
	0	Without rotation direction detection
	1	With rotation direction detection
299		When Pr. 78 =0, the rotation direction is
	9999	detected.
		When Pr. 78 =1,2, the rotation direction is
		not detected.
	0 to 3600s	Set the acceleration time to reach the set
611		frequency at restart.
	9999	Acceleration time for restart is the normal
		acceleration time (e.g. Pr. 7).

*The setting range varies according to the inverter capacity. (55K or less/ 75K or more)

<Connection diagram>

			MC2
MCCB	MC1		MC3
	R/L1	U
	S/L2	V	IM
	T/L3	W
	R1/L11
	S1/L21

STF
CS	MC
SD	switchover
	sequence

For use for only

CS automatic restart

SD after instantaneous power failure or flying start, short CS-SD in advance.

￿When “0 (initial value) or 10” is set in Pr. 162, the inverter smoothly starts after detecting the motor speed upon power restoration.

￿Even when the motor is rotating in the opposite direction, the inverter can be restarted smoothly as the direction of rotation is detected. (You can select whether to make rotation direction detection or not with Pr. 299 Rotation direction detection selection at restarting. )

When Pr. 162 = 0, 10 (with frequency search)

Instantaneous (power failure) time

Power supply (R/L1,S/L2,T/L3)

Motor

speed N (r/min) Inverter

output frequency		*
f (Hz)
Inverter
output voltage
E (V)			Restart cushion
Coasting	+	Speed	time (Pr. 58 setting)
time (Pr.57)		detection time

Acceleration time at a restart

(Pr. 611 setting)

*The output shut off timing differs according to the load condition.

￿When Pr. 162 = "1" or "11", automatic restart operation is performed in a reduced voltage system, where the voltage is gradually risen with the output frequency unchanged from prior to an instantaneous power failure independently of the coasting speed of the motor.

When Pr. 162 = 1, 11 (without frequency search)

Instantaneous (power failure) time

Power supply (R/L1,S/L2,T/L3)

Motor speed N
(r/min)
Inverter	*
output frequency
f (Hz)
Inverter
output voltage
E (V)

Coasting time
Pr. 57 setting	Restart cushion
	time

Pr. 58 setting

*The output shut off timing differs according to the load condition.

Pr. 59 Remote setting function

Pr.59 Remote function selection

￿Even if the operation panel is located away from the enclosure, you can use contact signals to perform continuous variable-speed operation, without using analog signals.

￿By merely setting this parameter, you can use the acceleration, deceleration and setting clear functions of the motorized speed setter (FR-FK).

Pr.59 Setting	Description
	RH, RM, RL signal	Frequency setting
	function	storage function
0 (initial value)	Multi-speed setting	
1	Remote setting	Yes
2	Remote setting	No
		No
3	Remote setting	(Turning STF/STR off
		clears remotely-set
		frequency.)

frequency		When Pr. 59 = 1, 2		When Pr. 59 = 1
		When Pr. 59 = 3
			When Pr. 59 = 2, 3
	*
Output (Hz)
	0Hz			Time
Acceleration	ON		ON
(RH)	ON
Deceleration	ON
(RM)
		ON
Clear (RL)
Forward	ON	ON	ON	ON
rotation (STF)
Power supply	ON			ON

*External runnning frequency (other than multi-speed operation) or PU running frequency

33 Pr. indicates simple mode parameters and Pr. indicates extended parameters. When setting parameters, refer to the instruction manual (applied) and understand instructions.