Yaskawa iQpump Drive User Manual - Manual (Page 130)

5.3 Pump Protection
130 YASKAWA TM.iQp.01 iQpump Drive User Manual
5.3 Pump Protection
◆ P2 Shutdown Pump System When Running at Low Speed (Sleep)
■ P2-01, P2-02, P2-03
To protect the pump from operating at very low speeds causing excessive pump wear the iQpump Controller offers a function to
shutdown (Sleep) the pump system.
■ Select Signal to Monitor
The system level to monitor no-flow operation can be selected with parameter P2-01 Sleep Level Type :
Table 5.9
■
Setup Sleep Level (P2-02)
Sleep Detection level can be setup with P2-02 Sleep Level . The Sleep Level units for P2-02 depend on the selection of parameter P2-01
(System Units).
Parameter
No.
Modbus
Address
Parameter Name
Digital Operator
Display
Description
Setting
Range
Factory
Setting
Menu
Location
Page
No.
P2-01 060AH
Sleep Level Type
Sleep Lvl Type
Sets the sleep type.
0: Output Frequency
1: Output Current
2: Feedback
Note:
Feedback depends on PID direction operation.
Displays a “Sleep” Alarm when active.
0 to 2 0
Pump Quick
Setup
—
P2-02

060BH
Sleep Level
Sleep Level
Sleep activates when selected level (P2-01) reaches programmed
sleep level for time specified in P2-03. The level type is determined
by P2-01. A value of 0 disables this function. This function is only
active during running while operating in auto mode.
Display Units for Sleep Level P2-02 when P2-01 is programmed for
the following:
P2-01 = 0: >Display based on “Hz”
P2-01 = 1: >Display based on “A”
P2-01 = 2: >Display based on P1-02 Selection
Note:
When P2-01 is set for a value of 2, display units will be
dependent on P1-02 setting.
0 to 6000.0 0.0
Pump Quick
Setup
—
P2-03

060CH
Sleep Delay Time
Sleep Delay Time Delay time before Drive enters sleep mode when criteria is met as
defined by parameter P2-02. 0 to 3600
sec
10 sec
Pump Quick
Setup
—
 Denotes that parameter can be changed when the Drive is running.