Influence on noise level

By using the reactors 1 and 2 as well as the outside box supplied with the high power factor converter, while the noise may increase or decrease depending th... More Details >>

No load current value of motor

No load current for each power supply voltage is as follows:- Approximately 15.5 A for 200 VAC 60 Hz- Approximately 21.7 A for 220 VAC 60 HzThe current is es... More Details >>

Countermeasure against inverter noise

You can attach the following filters to the inverter input side:- Line noise filter (FR-BLF, FR-BSF01)- Radio noise filter (FR-BIF) 　While it is a good idea ... More Details >>

Frequency monitor display fault

This can occur if the parameter unit window display is set to "Frequency setting value". If the screen display selection (first monitored window) is set to "... More Details >>

Inverter current characteristics

In general, relationship between T (torque), K (constant), V (voltage), I (current), and F (frequency) is expressed as "T = K × (V/F) × I". Since (V/F) is co... More Details >>

Items controllable via CC-Link

1. Not all items can be controlled. 　　- Functions that cannot be controlled JOG, AU, CS, OH, X10, X11, X12, and X16 functions (Other functions can be control... More Details >>

Detection of the motor load

An inverter is used to rotate a motor but it cannot be used to detect whether the belt is broken or not. However, the magnitude of the load will change when ... More Details >>

Electronic thermal O/L relay

Check that the correct rated motor current is set in Pr.9 (Electronic thermal O/L relay). No parameter is available for setting the operation time of the ele... More Details >>

FR-CV

At power-ON, the signal turns ON for a moment to perform a converter initial reset. More Details >>

FR-A800

No. Check the parameter setting of the A500(L), and then adjust the parameter setting of the A800 to those of the A500(L). For the details, refer to the repl... More Details >>