Yaskawa GPD503 Drive User Manual download pdf (Page 48)

2.13 FREQUENCY (AUTO) COMMAND BIAS/GAIN

bn-05: Frequency Command Gain Factory setting:

100.0

Range: 0.0 to 1000.0 %

Sets the auto-speed frequency command gain,

in increments of 0.1%.

bn-06: Frequency Command Bias Factory setting:

Range: -100 to 100 %

Sets the auto-speed frequency command bias,

in increments of 1%.

ADJUSTMENT PROCEDURE:

A. For 0-10 Vdc input (term. 13)

1. With no input, adjust Bias (bn-06 setting) until an output of

0.00 Hz is obtained.

2. With full scale input, adjust Gain (bn-05 setting) until an output

of 60.00 Hz (or other desired max. output frequency) is obtained.

B. For 4-20mA input (term. 14)

1. With 4mA input, adjust Bias (bn-06 setting) until an output of

0.00 Hz is obtained.

2. With 20mA input, adjust Gain (bn-05 setting) until an output

of 60.00 Hz (or other desired max. output frequency) is obtained.

NOTE

Follow the same adjustment procedure for other

desired frequency setpoints.

2-17

10V

FREQ. REF.

INPUT

FREQ. REF.

INPUT

FREQ.

CMD

(%)

FREQ.

CMD

(%)

100% 100%

(+)

(–)

(+)

(–)

100%

10V

BIAS

GAIN

(+)

(–)

(+)

(–)

110

100

BIAS

GAIN

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Yaskawa GPD503 Drive User Manual Page 48

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