Yaskawa AC Drive Z1000 AC Drive HVAC Fan - Manual (Page 141)

n S3-03: Secondary PI Display Digits
Sets the decimal place display for secondary PI units.
No. Name Setting Range Default
S3-03 Secondary PI Display Digits 0 to 3 2
Setting 0: No Decimal Places
Setting 1: One Decimal Place
Setting 2: Two Decimal Places
Setting 3: Three Decimal Places
n S3-04: Secondary PI Unit Selection
Sets units for secondary PI control function.
No. Name Setting Range Default
S3-04 Secondary PI Unit Selection 0 to 15 15
Setting 0: Inch of Water (WC)
Setting 1: Pounds per Square Inch (PSI)
Setting 2: Gallons per Minute (GPM)
Setting 3: Degrees Fahrenheit (F)
Setting 4: Cubic Feet per Minute (CFM)
Setting 5: Cubic Meters per Hour (CMH)
Setting 6: Liters per Hour (LPH)
Setting 7: Liters per Second (LPS)
Setting 8: Bar (Bar)
Setting 9: Pascals (Pa)
Setting 10: Degrees Celsius (C)
Setting 11: Meters (Mtr) (Ft: Feet)
Setting 12: Liters per Minute (LPM)
Setting 13: Cubic Meters per Minute (CMM)
Setting 14: No Unit
Setting 15: Percentage (%)
n S3-05: Secondary PI Setpoint Value
Sets the secondary PI controller target value
No. Name Setting Range Default
S3-05 Secondary PI Setpoint Value 0.00 to 600.00 <1> 0.00 <2>
<1> Upper limit is S3-02, decimal place holder is determined by S3-03.
<2> Unit is determined by S3-04.
n S3-06: Secondary PI Proportional Gain Setting
Sets the proportional gain of the secondary PI controller. A setting of 0.00 disables P control.
No. Name Setting Range Default
S3-06 Secondary PI Proportional Gain Setting 0.00 to 25.00 1.00
n S3-07: Secondary PI Integral Time Setting
Sets the integral time for the secondary PI controller. A setting of 0.0s disables integral control.
No. Name Setting Range Default
S3-07 Secondary PI Integral Time Setting 0.0 to 360.0 s 1.0 s
1.11 S: Special Parameters
YASKAWA ELECTRIC SIEP YAIZ1U 03A YASKAWA AC Drive – Z1000 Programming Manual 141
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Parameter Details