Siemens MICROMASTER 420 - Page 6

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MICROMASTER 420 Reference Manual
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3.1 Using the Serial Interface ........................................................................................41
3.2 Working with Serial Communications......................................................................41
3.3 Using the Universal Serial Interface Protocol..........................................................43
3.4 PROFIBUS ..............................................................................................................60
3.5 PROFIBUS Module .................................................................................................61
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4.1 Introduction..............................................................................................................66
4.2 Variant Dependent Options .....................................................................................66
4.3 Variant Independent Options...................................................................................73
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5.1 Troubleshooting with Status Display Panel.............................................................76
5.2 MICROMASTER 420 Fault Codes ..........................................................................76
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6.1 Maintenance ............................................................................................................78
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