Yaskawa iQpump1000 AC Drive Quick Start - Manual (Page 232)

R un
C omm an d
P re-C ha rge
C om plete via PID F eedba ck (R everse Acting PID )
“Pre-cha rge
Active”
M essage &
D igital Ou tpu t
(H 2-0x = A4)
Ou tpu t
F requen cy
P4-03
Pre-cha rge T im e
P4-02 – Pre-cha rge F requen cy
P4-01 – Pre-cha rge Le vel
b5-01 PID Se lect = 1 (Enab led) AND b5-09 Ou tpu t Le vel Se l = 1 (R ev C ha racter)
PID
F eedba ck
Figure 4.48 Pre-Charge Inverse Acting PID
R un
C omm an d
P re-C ha rge
C om plete via “Lo w W ater” digital inpu t (no rm ally ope n)
“Pre-cha rge
Active”
M essage &
D igital Ou tpu t
(H 2-0x = A4)
Ou tpu t
F requen cy
P4-03
Pre-cha rge T im e
P4-02 – Pre-cha rge F requen cy
P1-30 Lo w W ater D I Se l = 0 (N orm ally Ope n)
C losed
Ope n
Lo w W ater
D igital Inpu t
(N orm ally Ope n )
Figure 4.49 Pre-Charge via Low Water DI
P re-C ha rge & S lee p
W ake be low Pre-cha rge level then w ake abo ve Pr e-cha rge level
“Pre-cha rge
Active”
M essage &
D igital Ou tpu t
(H 2-0x = A4)
Ou tpu t
F requen cy
P4-03
Pre-cha rge T im e
P4-01 – Pre-cha rge Le vel
P1-04 – Start – D raw D n Le vel
P1-05
Start
D elay
P1-05
Start
D elay
Sleep ing Sleep ing
PID
F eedba ck
b5-01 PID Se lect = 1 (Enab led ) AND b5-09 Ou tpu t Le vel Se l = 0 (N orm al C ha racter)
N OT E A: F eedba ck is be low the P4-01 level, a Pre-cha rge is pe rform ed.
N OT E B: F eedba ck is abo ve the P4-01 level, a Pre-cha rge is N OT pe rform ed.
NO
TE
B
NO
TE
A
P4-02
Figure 4.50 Pre-Charge and Sleep
4.6 Basic iQpump Setup and Application Preset Parameters
232 YASKAWA TOEP YAIP1W 01B YASKAWA AC Drive - iQpump1000 Quick Start Guide