Yaskawa iQpump Controller Programming Manual - Manual (Page 192)

192 YASKAWA TM.iQp.07 iQpump Controller Programming Manual
Figure 1.143
Figure 147. Two Stage Pre-charge - Pre-charge Timer
Figure 1.144
Figure 148. Two Stage Pre-charge - Feedback reaches Pre-charge Level
Table 71 Related Parameters
Parameter
No.
Addr.
Hex
Parameter Name
Digital Operator Display
Description Range Default
Menu
Location
P4-01 115
Pre-charge Level
Pre-charge Level
When enabled drive will run at P4-02 Frequency. The drive will stop
when one of the following conditions occurs: Feedback signal rises
above P4-01 Level, pre-charge timer P4-03 expires or Low Water
digital input is deactivated (#85).
0.0 ~
6000.0
(system
units
P1-02)
0.0
(system
units
P1-02)
Programming
P4-02 116
Pre-charge Frequency
Pre-charge Freq
Frequency reference used when Pre-charge function is active.
0.00 ~
120.00 Hz
0.00 Hz Programming
P4-03 117
Pre-charge Time
Pre-charge Time
Maximum allow Pre-charge Time.
A value of 0 disables this function.
0.0 ~
3600.0 min 0.0 min Programming
Output
Frequency
Run
Command
P4-13
Pre-charge Time 2
P4-03
Pre-charge Time
Feedback
Level
P4-01 Pre-charge Level
P4-12
Pre-charge Freq 2
P4-02
Pre-charge Freq .
Pre-Charge
D.O.
Output
Frequency
Run
Command
P4-03
Pre-charge Time
Feedback
Level
P4-01 Pre-charge Level
P4-12 P4-02
Pre-charge Freq .
Pre-Charge
D.O.
P4-13
Pre-charge Time 2