11.20 Selecting Measurement Options
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11.20 Selecting Measurement Options
11.20.1 Frequency meters
By connecting a frequency meter to inverter control circuit terminal [FM1], [FM2] and [11], output frequency can be
measured. The type is the same as that of a standard meter, but a type with frequency scale is available for the
inverter.
■ TRM-45
Type: TRM-45, 10 VDC 1 mA
This model has two types of
calibration: “0 to 60/120 Hz” and
“60/120/240 Hz.”
■ FMN-60
Type: FMN-60, 10 VDC 1 mA
■ FMN-80
Type: FMN-80, 10 VDC 1 mA
Fig. 11.20-1 Frequency meter external dimensions and connection example
Parts available from Fuji Electric
Technica Co., Ltd.
Parts available from Fuji Electric Technica Co., Ltd.
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