Frequently Asked Questions about the Tachometer

Set CMP1 to UPPER and CMP2 to OK setting.

When the displayed value is less than UPPER​
CMP1 will be relay OFF, and CMP2 will be relay ON.

When the displayed value is greater than UPPER​
CMP1 will be relay ON, and CMP2 will be relay OFF.

It can be used when you want to turn off the relay at maximum rotation speed.

■ UPPER setting device
When UPPER ≦ display value, relay ON

■ LOWER setting device
When LOWER ≦ display value, relay ON

■ OK setting device
When both UPPER and LOWER are OFF, relay ON
When either is ON, relay OFF