Mitsubishi Electronics FR-V500 Is the torque, For speed restriction?, Parameter, Command been

Troubleshooting

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		Is torque control
		exercised?
			Y
		Is the torque
		command input?
			Y
Y
	Have you set the
	speed restriction?

N

Is an external command used

for speed restriction?

Y

N

N

Apply a voltage to the analog input terminals (across 3-5).

(Setting from PU or parameter)

N

Enter the speed

restriction value from the

PU or set the parametersPulse train (Pr. 805 to Pr. 807).

Have you checked the data of speed control 1?

Y

Is the position command given?

Y

What is used to give the position command?

N

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N

Turn on forward rotation command (STF) or reverse rotation command (STR).

Parameter

Is an analog	N
input used?

	N	Has the position	N
Is a pulse input?		command been
		input to the parameter?

Y

Apply a voltage to the analog input terminals (*across 2-5).

Also, to calibrate the No. 2 terminal, adjust the bias and gain of the analog voltage using Pr. 902 and Pr. 903.

*No. 1 terminal depending on the setting of Pr. 73, Pr. 868 or Pr. 805

Turn on the multiple speed (*RH, RM, RL,

REX).

*The terminal functions vary with input terminal assignment (Pr. 180 to Pr. 183, Pr. 187).

Y	Check the position	Y	Set the position
	control signal.		command
	Check the cable		(Pr. 465 to Pr. 494).
	connection.

Is the servo-on signal (LX			N
signal) on for position control
(pulse train, parameter)?
	Y		Turn on servo-on (LX signal).
		N
	Is the load small?
			The load is excessive,

FUNCTIONS

Set "20" (V/F control) in Pr. 800 and operate in V/F control.

(For trouble shooting in V/F control, refer to page 85.)

Y	resulting in a motor
The possible cause	lock status.
is a motor fault.	Lighten the load or
	increase the motor and
	inverter capacities.

ERRORS AND PROTECTIVE

6

84