User Manual
EM303B General Purpose Inverter
42
Part
Name
Function
UP
Select function parameter, menu or increase the value of setting
parameters, and increase the present effective reference numeric
input data.
DOWN
Select function parameter, menu or reduce the value of setting
parameter, and reduce the present effective reference numeric
input data.
Status Indicator
RUN:Green
STOP: Red
S/T: Red
+/-: Red
F/R: Red
On: the inverter is running.
Flashing: the inverter is stopping.
On: fault occurs.
Off: in speed control mode
On: in torque control mode
Off: + positive input signal
On:
-
negative input signal
Off: output frequency≥0, forward
On: output frequency<0, reverse.
Analog
Potentiometer
Regulate speed as per input analog value.
4.2
LED Keypad Operation Mode
6 keypad operation modes of EM303B: function setting, parameter copy, operation
monitoring, fault monitoring, jog running, and start/stop. Keypad operation modes are as
shown in Table 4-2.
Table 4-2 Keypad Operation Modes
Keypad Operation
Mode
Key Function
Function Setting
1.
Display, edit, save, reset and lock the function code and its
parameters.
2.
Reset default of the parameters.
3.
Select relevant parameter when the inverter is running.
Function Parameter
Copy
1.
Upload parameter: Upload the parameters saved in the inverter to
keypad.
2.
Download parameter: Download the parameters saved in the
keypad to inverter.
Combine above two modes to copy parameters easily and quickly
for multi-inverter.
Running Monitoring
1.
Randomly select function parameters C0-00
~
C0-31 display
when the inverter is running.
Fault Monitoring
1.
Fault details.
2.
Output frequency, DC bus voltage, output current, running
direction, and running status when fault occurs.
3.
The last 3 faults.
Jog
Press
JOG
+/-
in setting status, the inverter runs as per the setting
frequency. Release
JOG
+/-
, the inverter will stop.
Start/Stop
In keypad start/stop mode, press
RUN
and then release, inverter
starts to run. Press
STOP
RESET
in operation status, inverter stops.
Function setting, operation monitoring and fault monitoring are operated by menu setting.
Start/stop, jog and keypad numeric potentiometer are operated by single button.