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

4 MICROMASTER 430 functions
4.5

MICROMASTER 430 operating modes

4.5.1 Bypass Mode
Setting up an inverter bypass circuit
Figure 4-1
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:
error message from the inverter
digital input
inverter frequency
For further settings please refer to parameters list P1260 and following.
54
Mains
Isolator
Relay outputs
Bypass circuit
Mechanical
interlock
Contactors
Isolator

MICROMASTER 430

Operating Instructions
6SE6400-5AE00-0BP0
Issue 05/02