Yaskawa iQpump Controller Programming Manual - Manual (Page 237)

YASKAWA TM.iQp.07 iQpump Controller Programming Manual 237
Figure 1.176
Figure 180. Alternation Mode is FIFO Forced
PumpNet Control 1 U1-xx bit 1:
Run as Lag Drive
PumpNet Control 1 U1-xx bit 2:
Run as Lead Drive
PumpNet Control 1 U1-xx bit 1:
Run as Lag Drive
PumpNet Control 1 U1-xx bit 2:
Run as Lead Drive
PumpNet Control 1 U1-xx bit 1:
Run as Lag Drive
PumpNet Control 1 U1-xx bit 2:
Run as Lead Drive
Drive 1
Drive 2
Drive 3
Alternation Timer P 9-03
PumpNet Status 1 U1-xx bit 7:
Request for FIFO Forced Alternation
PumpNet Status 1 U1-xx bit 7:
Request for FIFO Forced Alternation
PumpNet Control 1 U1-xx bit 1:
Run as Lag Drive
PumpNet Control 1 U1-xx bit 2:
Run as Lead Drive
Drive 4
PumpNet Status 1 U1-xx bit 7:
Request for FIFO Forced Alternation
PumpNet Status 1 U1-xx bit 7:
Request for FIFO Forced Alternation
Alternation Timer P9-03
Network Processing
& Delay
Network Processing
& Delay
Drive 1 is the
First Pump
Drive 2 is now the First Pump
Drive 4 is forced to be the new
Lead Drive (P9-01 determined ,
and only drive available )
Drive 3 is now the First Pump
Drive 4 is again forced to be
the new Lead Drive (P9-01
determined )