User`s manual

6-70

Trim Control Increase/Decrease Command and Frequency Reference

The frequency references using Trim Control Increase/Decrease command ON/OFF operations are shown

below.

Application Precautions

• Trim Control Increase/Decrease command is enabled when speed reference > 0 and the speed reference

source is an analog input (A1 or A2).

• When the (analog frequency reference value - d4-02) < 0, the frequency reference is set to 0.

• If only one of the Trim Control Increase command or Trim Control Decrease command has been set for a

digital input terminal, operation error OPE03 (invalid multi-function input selected) will occur.

Frequency Reference

Set Frequency

Reference

+ d4-02

Set Frequency

Reference

- d4-02

HOLD

Trim Control Increase Command

Terminal

ON OFF ON OFF

Trim Control Decrease Com-

mand Terminal

OFF ON ON OFF