YASKAWA HV600 Technical Reference page 628

Ac drive bypass for hvac fan and pump applications
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9.10 H: Terminal Functions
Setting Value
Function
3
Auxiliary Frequency
Reference 2
4
Output Voltage Bias
5
Accel/Decel Time Gain
6
DC Injection Braking
Current
7
Torque Detection Level
8
Stall Prevent Level
During Run
9
Output Frequency Lower
Limit
B
PID Feedback
C
PID Setpoint
D
Frequency Bias
E
Motor Temperature (PTC
Input)
F
Not Used
16
Differential PID
Feedback
1F
Not Used
24
PID Feedback Backup
25
PI2 Control Setpoint
26
PI2 Control Feedback
27
PI Auxiliary Control
Feedback
2B
Emergency Override PID
Feedback
2C
Emergency Override PID
Setpoint
628
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%.
Set this parameter to input a bias signal and amplify the output voltage.
Enters a signal to adjust the gain used for C1-01 to C1-04 [Acceleration/Deceleration Times 1 and 2] and C1-09 [Fast
Stop Time] when the full scale analog signal (10 V or 20 mA) is 100%.
Enters a signal to adjust the current level used for DC Injection Braking when the drive rated output current is 100%.
Enters a signal to adjust the overtorque/undertorque detection level.
Note:
Use this function with L6-01 [Torque Detection Selection 1]. This parameter functions as an alternative to L6-02
[Torque Detection Level 1].
Enters a signal to adjust the stall prevention level during run if the drive rated current is 100%.
Enters a signal to adjust the output frequency lower limit level as a percentage of the maximum output frequency.
Enter the PID feedback value as a percentage of the maximum output frequency.
Enters the PID setpoint as a percentage of the maximum output frequency.
Enters the bias value added to the frequency reference as a percentage of the maximum output frequency.
Uses the motor Positive Temperature Coefficient (PTC) thermistor to prevent heat damage to the motor as a percentage
of the current value when the 10 V analog signal is input.
Use this setting for unused terminals or to use terminals in through mode.
Enters the PID differential feedback value if the full scale analog signal (10 V or 20 mA) is 100%.
Use this setting for unused terminals or to use terminals in through mode.
Enters the PID Feedback Backup signal for the drive to use when it loses the primary PID feedback set for H3-xx = B
[PID Feedback].
Note:
The full-scale of the analog signal goes from b5-71 [Min PID Transducer Scaling] to b5-38 [PID User Unit
Display Scaling].
Enters the PI2 Control setpoint level as a percentage of the S3-02 [PI2 Control Transducer Scale] value.
Note:
Parameters S3-03 [PI2 Control Decimal Place Pos] and S3-04 [PI2 Control Unit Selection] set the resolution and
unit.
Enters the PI2 Control feedback level as a percentage of the S3-02 [PI2 Control Transducer Scale] value.
Note:
Parameters S3-03 [PI2 Control Decimal Place Pos] and S3-04 [PI2 Control Unit Selection] set the resolution and
unit.
Enters the PI Auxiliary Control feedback value when YF-01 = 1 [PI Aux Control Selection = Enabled].
Note:
• The full-scale of the analog signal goes from 0% to YF-02 [PI Aux Control Transducer Scale].
• Parameter YF-22 [PI Aux Level Decimal Place Pos] sets the resolution.
This input is the PID Feedback source when Emergency Override is running in PID mode (S6-02 = 2 or 3 [Emergency
Override Ref Selection = System PID Mode or Independent PID Mode]).
Note:
• When S6-02 = 2 [Emergency Override Ref Selection = System PID Mode], the full-scale of the analog signal
goes from b5-71 [Min PID Transducer Scaling] to b5-38 [PID User Unit Display Scaling].
• When S6-02 = 3 [Independent PID Mode], the full-scale of the analog signal goes from b5-71 to S6-03 [EMOVR
Independent PID Scale].
• When you set MEMOBUS register 3A93h bit 4, register 3A95h becomes the Emergency Override Feedback
source.
This input is the PID Setpoint source when Emergency Override is running in PID mode (S6-02 = 2 or 3 [Emergency
Override Ref Selection = System PID Mode or Independent PID Mode]).
Note:
• When S6-02 = 2 [Emergency Override Ref Selection = System PID Mode], the full-scale of the analog signal
goes from b5-71 [Min PID Transducer Scaling] to b5-38 [PID User Unit Display Scaling].
• When S6-02 = 3 [Independent PID Mode], the full-scale of the analog signal goes from b5-71 to S6-03 [EMOVR
Independent PID Scale].
• When you set MEMOBUS register 3A93h bit 5, register 3A96h becomes the Emergency Override Setpoint
source.
Description
YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference
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