E12 set to multi-pump,need constant pressure
water supply interface board , while realize 4-
pumps constant pressure water supply function.
2、PID adjusting in constant water supply system
Keyboard set the frequency 0hz
Keyboard set frequency or RS485 set frequency.
Frequency auxiliary
set mode
main and auxiliary
frequencies set
single-way,the negative regulator, failure is not
action
External analog feedback signal given by the
AI2 / AI3
Given signal can select the keyboard / Rs485 ,
potentiometers, digital voltage, digital pulse, etc.
Setting according the site.
Setting according the site.
Setting according the site.
Setting according the site.
Setting according the site.
3、Constant pressure water supply special parameters
Starting pressure deviation is 10%
Starting pressure
deviation
Starting delay time is second.
feedback pressure reach and exceed the value of
this parameter, the I / O output terminal select
25, then it will output arrival signal.
High pressure arrival
value
when feedback pressure less than the low
pressure reached value of this parameter, the I /
O output terminal select 26, then it will output
arrival signal.
Timing to water supply function invalid
4、Multi-function constant pressure water supply pump specific parameters
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