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Yaskawa AC Drive-P1000 Industrial Fan User Manual

Page 228

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100%

50%

0

5 V

10 V

1V 2V

20%
10%

Acceleration/deceleration gain from 1 to 10 V

(10 V)

Input Voltage (V)

× 10 (%)

=

Figure 5.60 Accel/Decel Time Gain with Analog Input Terminal

Setting 6: DC Injection Braking Current

The current level used for DC Injection Braking is set as a percentage of the drive rated current.

Drive Rated

Current

0

(4)

100%

10 V

(20 mA)

DC Injection Braking Current Level

Figure 5.61 DC Injection Braking Current Using an Analog Input Terminal

Setting 7: Torque Detection Level

Using this setting, the overtorque/undertorque detection level for torque detection 1 (L6-01) can be set by an analog input.

The analog input replaces the level set to L6-02. An analog input of 100% (10 V or 20 mA) sets a torque detection level equal

to 100% drive rated current/motor rated torque. Adjust the analog input gain if higher detection level settings are required.

Refer to L6: Torque Detection on page 254

for details on torque detection.

Setting 8: Stall Prevention Level

Allows an analog input signal to adjust the Stall Prevention level.

Figure 5.62

shows the setting characteristics. The drive will

use the lower value of the Stall Prevention level set to L3-06 or the level coming from the selected analog input terminal.

Stall Prevention Level during Run

30%

100%

Analog Input Level

30%

100%

0

Figure 5.62 Stall Prevention During Run Using an Analog Input Terminal

Setting 9: Output Frequency Lower Limit Level

The user can adjust the lower limit of the output frequency using an analog input signal.

Setting B: PID Feedback

Supplies the PID feedback value. This setting requires PID operation to be enabled in b5-01.

Refer to PID Feedback Input

Methods on page 160

.

Setting C: PID Setpoint

Supplies the PID setpoint value and makes the frequency reference selected in parameter b1-01 no longer the PID setpoint.

PID operation to be enabled in b5-01 to use this setting.

Refer to PID Setpoint Input Methods on page 160

.

Setting D: Frequency Bias

The input value of an analog input set to this function will be added to the frequency reference. This function can be used with

any frequency reference source.

5.7 H: Terminal Functions

228

YASKAWA SIEP YAIP1U 01B AC Drive - P1000 Technical Manual

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