Parameterization
SRW 01 | 5-21
5
5.4.6.2 Operation Diagram – Star-Delta Starter
Start
Stop
O1 - K1
O3 - K3
O2 - K2
Trip
Reset
Check Back
Imotor
Motor Transition
Time
Check Back
Aux. I13 - ∆
Check Back
Aux. I14 - Y
P212
P210
Figure 5.12:
Operation diagram for the Star-Delta Starter operation mode
5.4.7 Dahlander Starter
In this mode a Dahlander starter for three-phase motors is configured. The digital output O1 is reserved (internal
use) for running the motor at the low speed. The digital outputs O2 and O3 are reserved (internal use) for running
the motor at the high speed. The digital output O4 can be used according to the user’s needs (free).
In case of a trip, the digital outputs O1, O2 and O3 switch off the starting contactors, thus stopping the motor.
For the Control Unit (UC) connection diagram presented in the
Item 5.4.7.1 Connection Diagram - Dahlander
the digital inputs and outputs are configured according to the
.
Table 5.10:
Configuration of the digital inputs and outputs for the Dahlander Starting operation mode
Digital Inputs/Outputs
Function
Local/Remote Commands Using Digital Inputs
Control Logic
3 wires (P230 = 1)
(Pushbuttons)
Control Logic
2 wires (P230 = 0)
(Switch)
I11
Stop pushbutton
Free
I12
Start high speed
pushbutton
Start high speed/stop switch
I13
Start low speed
pushbutton
Start low speed/stop
switch
I14
(*)
Check Back
I15
Free
I16
Free
O1
K1 - Low speed contactor operation
O2
K2 - High speed contactor operation
O3
K3 - High speed contactor operation
O4
Ladder
(*)
Adjust P208 according to the application.
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