2.8 H: Terminal Function Selection
338 YASKAWA TOEPYAIGA5002A GA500 DRIVE PROGRAMMING
■ 2: Auxiliary Frequency Reference 1
Setting Value Function Description
2 Auxiliary Frequency
Reference 1
Sets Reference 2 through multi-step speed reference to enable the command reference (Auxiliary Frequency Reference 1) from the
analog input terminal set here. This value is a percentage where the Maximum Output Frequency setting is a setting value of 100%.
■ 3: Auxiliary Frequency Reference 2
Setting Value Function Description
3 Auxiliary Frequency
Reference 2
Sets Reference 3 through multi-step speed reference to enable the command reference (Auxiliary Frequency Reference 2) from the
analog input terminal set here. This value is a percentage where the Maximum Output Frequency setting is a setting value of 100%.
■ 4: Output Voltage Bias
Setting Value Function Description
4 Output Voltage Bias
Set this parameter to input a bias signal to amplify the output voltage.
The gain (%) for the MFAI terminals A1 and A2 is 100% of the voltage class standard, which is 200 V for 200 V
class drives and 400 V for 400 V class drives. The bias (%) for MFAI terminals A1 and A2 is 100% of the voltage
configured for E1-05 [Maximum Output Voltage].
Note:
The gain for each terminal A1 and A2 is set independently with H3-03 [Terminal A1 Gain Setting] and H3-11 [Terminal A2 Gain Setting].
The bias for each terminal A1 and A2 is set independently with H3-04 [Terminal A1 Bias Setting] and H3-12 [Terminal A2 Bias Setting].
Figure 2.83 Output Voltage Bias through Analog Input
■ 5: Accel/Decel Time Gain
Setting Value Function Description
5 Accel/Decel Time Gain
Enters a signal to adjust the gain used for C1-01 to C1-08 [Acceleration/Deceleration Times 1 to 4] and C1-09 [Fast Stop Time]
when the full scale analog signal (10 V or 20 mA) is 100%.
When you enable C1-01 [Acceleration Time 1], the acceleration time is:
Acceleration Time 1 = Setting value of C1-01 × acceleration and deceleration time gain / 100
Figure 2.84 Acceleration/Deceleration Time Gain through Analog Input
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