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User Manual for PuraLev
®
iF30SU
www.levitronix.com
PL-4078-00, Rev00, DCO# 20-228
31
5
Operation
In this section the very basic operation of
OEM
,
EasyConnect
and
Stand-Alone
models is explained. For more
extended operation modes and configurations consult the relevant
Firmware
and
Service Software
specifications.
5.1 Operation of Stand-Alone Model
5.1.1 Manual Operation
With the
Stand-Alone
model the system can be operated manually with the user panel according to
The flow can be set manually with the
Down
and
Up
buttons before or after enabling it with the
On/Off
button.
The
Setpoint Flow
(= Ref. Flow) is than stored in the system
EEPROM
and will stay the same, even if the
system is powered off. When disabling the system by shortly pressing the
On/Off
button the
Actual Flow
is first
reduced to zero before an impeller touch down is made by disabling the radial levitation. After an
Error
the
system can be restarted by the
On/Off
button or by removing and reattaching the power supply.
Figure 28: User panel of stand-alone model for manual operation
5.1.2 System Menu Functions
By pressing the
On/Off
button for more than 2 seconds the
System Menu
can be reached with the following
basic functions:
SETTINGS
ZERO ADJUSTMENT
INFO
1
a. Switch from flow to speed control mode.
b. Switch manual to PLC remote mode.
c. Enable autostart mode.
d. Configure and start a shutdown timer.
2
a. Zero adjustment of flow meter.
3
a. Monitoring of parameters like driver temperature, axial position of impeller, supply
voltage (DC-link voltage), motor phase currents (BNG and DRV).
b. Reading of error, warning and message information and their history.
c. Reading of firmware version.
Figure 29: System Menu and its basic functions
In the
System
Menu
and its sub menus, the menu tabs are browsed using the
Up
and
Down
buttons. Items
are selected with the
On/Off
button, and values are modified using the
Up
and
Down
buttons. The Menu can
be left by pressing the
On/Off
button for more than 2 seconds.
5.1.3 Operation with PLC
Remote setting of flow (or speed) with the
PLC
can be activated in the
Settings
of the
System Menu
(see
Section 5.1.2
). The flow (or speed) can be set with an analog signal (see
Status
of the system can be monitored with a digital output signal. During
PLC
remote control all information
is shown on the display.
Press
/
to change ...
Set. Flow: 1'500
OFF
Act. Flow ml/min
Set. Flow: 1'500
1'499
On/Off
Down
Display
Actual Flow
Up
Setpoint
Flow