Replacement of the SF-JR with the SF-PR

Since the SF-PR is more efficient compared to the SF-JR, the resistance will decrease and the load current will increase. Check the following two points when... More Details >>

FR Configurator2

Both parameter files (pr4) and system files (frc2) can be read. More Details >>

Replacement with the FR-B, B3 (A800 s...

In the A800 base of the FR-B and FR-B3, the Easy setup wizard is not available. Thus, some functions are restricted. More Details >>

FR-HAL/FR-HEL selection

Not required. Select it according to the capacity of the vector motor used. More Details >>

DC injection brake

1. The braking torque can be considered 50% of the motor rated torque.2. The largest stress the DC injection brake gives to the motor is the motor heat gener... More Details >>

Installation clearance of inverters

Keep 1 cm or more of clearance for 3.7 K or smaller, and 5 cm or more for 5.5 K or larger.If the clearance is too small, the cooling effect is lowered. Secur... More Details >>

Motor retention at 0 Hz

The inverter does not have a function to limit the current at 0 Hz.Although it has the DC injection brake, it is intended to improve the braking capability b... More Details >>

Using both types of power factor impr...

Yes.By using both types of reactors together, you can reduce the outgoing harmonic current.For examples of harmonics reduction, refer to the value in the har... More Details >>

Parameter writing via CC-Link

Pr.133 can be written.Since the data code numbers of parameters are duplicate, target parameters are switched by link parameter extended setting.You can acce... More Details >>

Terminal AM calibration

1. By setting Pr.158 (Terminal AM function selection) to "21" (Reference voltage output), 10 V is output from the terminal AM.2. Read Pr.901 in the PU operat... More Details >>