Siemens MICROMASTER 430 - MICROMASTER 430 Operating Modes; Figure 4-1 Bypass Circuit; Micromaster 430

4 MICROMASTER 430 functions
MICROMASTER 430 Operating Instructions
52 6SE6400-5AC00-0BP0
4.5 MICROMASTER 430 operating modes
4.5.1 Bypass Mode
Setting up an inverter bypass circuit
Mains
Isolator
Mechanical
interlock
Contactors
Relay outputs
Isolator
Figure 4-1 Bypass circuit
Function
Control of two locked contactors via relay outputs of MICROMASTER 430. This
circuit makes it possible to operate the motor via the inverter or directly via the
mains. The inverter is responsible for switching.
Switching is possible by the following means:
Ø error message from the inverter
Ø digital input
Ø inverter frequency
For further settings please refer to parameters list P1260 and following.
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