APC715 Pump Unit Controller
APC715 Pump Unit Controller ISSUE 2013-08-28 Version 1.0 Page 19 of 62
4.7 ADJUST SPEED CONTROL
Users can set the outlet pressure as the rated value simply by adjusting the engine
speed. The
“Adjust Speed Control” was divided into auto control and manual control.
Manual Adjust Speed:
Adjust Speed mode is selected by pressing the
button; In
this interface, users can adjust speed using navigational button: , manual adjust
speed; , auto adjust speed;
, manual raise speed;
, manual drop speed.
“
,
manual raise speed
” and “
, manual drop speed
” buttons are active only when pump
unit is normal running under
“Manual Adjust Speed” mode.
Auto Adjust Speed:
Under this mode, during the unit is normal running, the
controller will adjust the outlet pressure to rated speed and maintain its steady
automatically according to the set value.
The
“Auto Adjust Speed” was divided into relay adjust speed, GOV adjust speed and
CAN adjust speed.
Relay Adjust Speed: Control the engine servo motor simply by using speed raise relay
and speed drop relay.
GOV Adjust Speed: Control the electronic speed regulator simply by using GOV
analog signal. Users should set parameters according to the actual situation as
different regulators have different parameters.
CAN Adjust Speed: Control the ECU engine speed simply by using CAN interface.
Parameters setting and speed adjustment method are same as GOV. Some ECU
engine has CAN adjust speed function, e.g. EMS2. Other engine types need the
above two ways to adjust speed.