B8: energy saving – Yaskawa Z1000 AC Drive HVAC User Manual
Page 269
No.
(Addr.
Hex)
Name
LCD Display
Description
Values
Page
b5-43
(162)
Custom PI Output
Monitor Setting 1
PI Out MonMax U4
Set maximum monitor value at maximum frequency.
U5-07 and U5-08 show Custom PI output.
U5-43 shows the upper four digits and U5-44 shows the lower
four digits.
It shows 999999.99 maximum.
Default: 0
Min.: 0
Max.: 9999
b5-44
(163)
Custom PI Output
Monitor Setting 2
PI Out MonMax L4
Sets the minimum display value at zero speed.
b5-07 and b5-08 show Custom PI output.
This function is effective when b5-42 is set to 1 (Linear unit)
Default: 0
Min.: 0
Max.: 99.99
b5-45
(164)
Custom PI Output
Monitor Setting 3
PI Out MonMin
Default: 0
Min.: 0
Max.: 999.9
b5-46
(165)
PI Setpoint Monitor Unit
Selection
PI Mon Unit Sel
0: WC
1: PSI
2: GPM
3: °F
4: CFM
5: CMH
6: LPH
7: LPS
8: Bar
9: Pa
10: °C
11: Mtr
12: Ft
13: LPM
14: CMM
0: WC (Inch of water)
1: PSI (Pounds per square inch)
2: GPM (Gallons per minute)
3: F (Degrees Fahrenheit)
4: CFM (Cubic feet per minute)
5: CMH (Cubic meters per hour)
6: LPH (Liters per hour)
7: LPS (Liters per second)
8: Bar (Bar)
9: Pa (Pascal)
10: C (Degrees Celsius)
11: Mtr (Meters)
12: Ft (Feet)
13: LPM (Liters per minute)
14: CMM (Cubic meters per minute)
Default: 0
Range: 0 to 14
b5-47
(17D)
Reverse Operation
Selection 2 by PI Output
Output Rev Sel2
0: 0 limit
1: Reverse
Reverse operation selection when b5-01 = 3
0: Reverse Disabled
1: Reverse Enabled
Default: 1
Range: 0, 1
<1> Default setting is determined by parameter A1-02, Control Method Selection.
<2> Changing b5-20, b5-38, and b5-39 will not automatically update the value of this parameter.
<3> Default setting is dependent on parameter b5-20, PI Setpoint Scaling.
u
b8: Energy Saving
No.
(Addr.
Hex)
Name
LCD Display
Description
Values
Page
b8-01
(1CC)
Energy Saving Control
Selection
Energy Save Sel
0: Disabled
1: Enabled
0: Disabled
1: Enabled
Default:
<1>
Range: 0, 1
–
b8-04
(1CF)
Energy Saving
Coefficient Value
Energy Save COEF
Determines the level of maximum motor efficiency. Setting
range is 0.0 to 2000.0 for drives 3.7 kW and smaller.
Default:
<2> <3>
Min.: 0.00
Max.: 655.00
–
b8-05
(1D0)
Power Detection Filter
Time
kW Filter Time
Sets a time constant filter for output power detection.
Default: 20 ms
Min.: 0
Max.: 2000
–
b8-06
(1D1)
Search Operation
Voltage Limit
Search V Limit
Sets the limit for the voltage search operation as a percentage
of the motor rated voltage.
Default: 0%
Min.: 0
Max.: 100
–
<1> Default setting is determined by parameter A1-02, Control Method Selection.
<2> Default setting is determined by parameters A1-02, Control Method Selection, and o2-04, Drive Model Selection.
<3> Parameter value changes automatically if E2-11 is manually changed or changed by Auto-Tuning.
B.2 b: Application
YASKAWA ELECTRIC TOEP YAIZ1U 03A YASKAWA AC Drive – Z1000 User Manual
269
B
Parameter List