Primary Operation
Primary operation
51
4.3 Operation
4.3.1 Pre-operation checks and preparation
Before starting the operation, the following shall be examined:
1. Check if the wiring is correct. Check especially the ac motor driver output terminals (U/T1,
V/T2, W/T3), which cannot be connected to the power. Confirm that grounding terminal
(
)
is well grounded.
2. Check if there is a short circuit at the terminals or charged exposure.
3. Verify all terminal connections, and check if plug connectors (optional) and screws are all
fastened.
4. Verify that no mechanical device is connected to the motor.
5. All switches must be disconnected before power on. Make sure that the inverter will not
start and there is no abnormal activity when power on.
6. Turn on the power only after the cover is well placed.
7. Do not operate the switch with a wet hand.
8. Make sure of the following after power on:
(1). On the cover of machine, power indicating lamp
will light up but not alarm indicating
lamp
.
(2). On the DU01 operation panel, indicating lamp
and
will both light up.
4.3.2 Operation methods
For various operation methods, 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:
Operation method
Source of the target frequency
Source of the operating signal
DU01 operation
panel operation
or
FWD
or
REV
External terminal
signal operation
Inverter
M0
M1
M2
Parameter
setting:
P.4= 40
P.5= 30
P.6= 10
SD
Input by external terminals:
STF-SD
STR-SD
Inverter
10
2
5
Note: RH, RM and RL mentioned in this section are function names of the “multi-function control
terminal”. Please refer to P.80~P.84
P.550 for function selection and purposes of the
multi-function control terminal. For related wiring, please refer to Section 3.5.
