Parameter List
9
9.5 b: Application
YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference 603
No.
(Hex.)
Name Description
Default
(Range)
Ref.
b5-46
(0165)
PID Unit Display
Selection
Sets the units-text for the PID Display.
0 : "WC: inches of water column
1 : PSI: pounds per square inch
2 : GPM: gallons/min
3 : °F: Fahrenheit
4 : ft
3
/min: cubic feet/min
5 : m
3
/h: cubic meters/hour
6 : L/h: liters/hour
7 : L/s: liters/sec
8 : bar: bar
9 : Pa: Pascal
10 : °C: Celsius
11 : m: meters
12 : ft: feet
13 : L/min: liters/min
14 : m
3
/min: cubic meters/min
15 : "Hg: Inch Mercury
16 : kPa: kilopascal
48 : %: Percent
49 : Custom(b5-68~70)
50 : None
48
(0 - 50)
220
b5-53
(0B8F)
RUN
PID Integrator Ramp
Limit
Sets the responsiveness of PID control when the PID feedback changes quickly. 0.0 Hz
(0.0 - 10.0 Hz)
221
b5-61
(119A)
PID Trim Mode Lower
Limit Sel
Sets the function that adjusts the PID output in relation to the frequency reference.
0 : Disabled
1 : Enabled
0
(0, 1)
221
b5-62
(119B)
PID Trim Mode Lower
Limit Value
Sets the PID Trim Mode Lower Limit Value as a percentage of the maximum output
frequency.
0.00%
(0.00 - 100.00%)
221
b5-68
(3C1F)
System Unit Custom
Character 1
Sets the first character of the custom unit display when b5-46 = 49 [PID Unit Display
Selection = Custom (B5-68~70)].
41
(20 - 7A)
221
b5-69
(3C20)
System Unit Custom
Character 2
Sets the second character of the custom unit display when b5-46 = 49 [PID Unit Display
Selection = Custom (B5-68~70)].
41
(20 - 7A)
221
b5-70
(3C21)
System Unit Custom
Character 3
Sets the third character of the custom unit display when b5-46 = 49 [PID Unit Display
Selection = Custom (B5-68~70)].
41
(20 - 7A)
222
b5-71
(3C22)
Min PID Transducer
Scaling
Sets the minimum PID level corresponding to the lowest analog input signal level.
Note:
• To enable this parameter, you must set b5-71 < b5-38 [PID User Unit Display
Scaling]. If you set b5-71 > b5-38, the drive will disable all PID analog inputs.
• Parameters b5-46 [PID Unit Display Selection], b5-38, and b5-39 [PID User Unit
Display Digits] set the unit, range, and resolution.
0.00
(-99.99 - +99.99)
222
b5-82
(31B0)
Feedback Loss 4～20mA
Detect Sel
Sets the drive to do a 4 to 20 mA wire-break detection on the analog input set for PID
feedback.
0 : Disabled
1 : Alarm Only
2 : Fault
3 : Run At b5-83
2
(0 - 3)
222
b5-83
(31B1)
RUN
Feedback Loss GoTo
Frequency
Sets the speed at which the drive will run if the drive detects a 4 to 20 mA wire-break on
the PID Feedback and b5-82 = 3 [Feedback Loss 4～20mA Detect Sel = Run At b5-83].
0.0 Hz
(0.0 - 400.0 Hz)
224
b5-84
(31B2)
RUN
Feedback Loss Loss Of
Prime Lvl
Sets the level at which the drive will detect Loss of Prime in the pump.
Note:
• Loss of Prime condition occurs when the measured quantity set by Y1-18 [Prime
Loss Detection Method] decreases to this level for the time set in Y1-20 [Loss of
Prime Time] and the output frequency is at the Y4-02 [Pre-Charge Frequency] level.
• The drive will respond to the Loss of Prime condition as specified by Y1-22 [Loss of
Prime Selection].
• Display unit and scaling are dependent on System Units.
0.0 A
(0.0 - 1000.0 A)
225
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