FR-A800-E

The direct connection with the inverter like the standard model, and the connection via the GOT and relay station (programmable controller) are available. On... More Details >>

Switching time of the FR-A800 control

20 ms or less is required to switch the control with the MC signal. More Details >>

Replacement of MR-BAT6V1SET

No More Details >>

Encoder resolution during J3 compatibility mode

18 bits (262,144 pulses/rev.) The encoder resolution of HG series servo motor in J4 mode is 22 bits (4,194,304 pulses/rev). For details of J3 compatibility m... More Details >>

Wrong connection of servo amplifier power supply

The system is probably malfunctioning and is in dangerous condition. Do not use it. For repair, contact your local sales office. 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 >>

Control wire of FR-HC RDY signal

The contact between the terminals RDY and SE is open collector output.Operation is:Normal: Non-conductiveFault: Conductive More Details >>

Power factor improving reactor

Your understanding about the AC and DC reactors is correct. For the harmonics suppression effect obtained by using both types of reactors, refer to the table... More Details >>

Output phase loss protection error

- How to find out lost phaseMeasure the three-phase current when the error has occurred.The phase with a small (or no) phase current is lost.- Possibility of... More Details >>

Power factor of inverter drive

Under 100% load, the power factors of the AC and DC reactors are 90% and 95%, respectively. For a line with no inverter control, use a power factor correctio... More Details >>