Micromaster 430 Operating Modes; Figure 4-1 Bypass Circuit - 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 Bypass circuit

Function
Control of two interlocked 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.
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MICROMASTER 430
http://nicontrols.com
Issue 10/06
Operating Instructions
6SE6400-5AE00-0BP0