Operation
BASIC OPERATION 44
4.4 Operation
4.4.1 Check and preparation before running
Before running, the following shall be checked:
1. Check if the wiring is correct. Inverter output terminals (U/T1, V/T2, W/T3) cannot be connected to the power.
Confirm that grounding terminal ( ) is well grounded.
2. Confirm that there is no short circuit or short circuit to ground between the terminals or each exposed live part.
3. Confirm all terminal connections, and check if plug connectors (optional) and screws are all fastened.
4. Confirm that the motor is not connected to any load or mechanism.
5. All external switches are in off state before the power is turned on. When the power is turned on, the inverter
will not start and no abnormal action will occur.
6. Turn on the power only after the cover is well placed.
7. Do not touch the switch with wet hands.
8. Make sure the following after power on:
No alarm on built-in keypad, check both indicator in
and
are light up.
4.4.2 Running methods
For every running method, please refer to basic operation procedures in chapter 4 and parameter description in
chapter 5. Select the most appropriate operation methods according to the application requirements and regulations.
The most commonly used operation methods are shown below:
Source of the target frequency
Source of the operating
signal
Built-in keypad operation
External terminal signal
operation
M0
M1
Parameter
setting:
SD
04-01(P.5)=30
04-02(P.6)=10
Inverter
Input by digital input terminal:
STF-SD
STR-SD
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