13 frequency (auto) command bias/gain – Yaskawa GPD503 Drive User Manual

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:

For 0-10 Vdc input (term. 13)

With no input, adjust Bias (bn-06 setting) until an output of
0.00 Hz is obtained.

With full scale input, adjust Gain (bn-05 setting) until an output
of 60.00 Hz (or other desired max. output frequency) is obtained.

For 4-20mA input (term. 14)

With 4mA input, adjust Bias (bn-06 setting) until an output of
0.00 Hz is obtained.

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.
CMD
(%)

100%

(+)

(–)

(+)

(–)

100%

10V

BIAS

GAIN

(+)

(–)

(+)

(–)

110

100

BIAS

GAIN