Function Block Diagrams - Siemens SINAMICS S120 System Manual

Parameters for grid monitoring anti-islanding function
● p5540 Line monitoring configuration
● p5541 BI: Line monitoring activation
● r5542.0...14 CO/BO: Line monitoring status word
● p5543[0...3] Line monitoring voltage threshold
● p5544[0...3] Line monitoring frequency threshold
● p5545[0...7] Line monitoring times
● p5547[0] Line monitoring frequencies
● p5548[0] Line monitoring gains
● p5550[0...2] Line monitoring line fault thresholds voltage characteristic
● p5551[0...9] Line monitoring HVRT time values
● p5552[0...9] Line monitoring HVRT voltage values
● p5553[0...9] Line monitoring LVRT time values
● p5554[0...9] Line monitoring LVRT voltage values
● p5555[0...2] Line monitoring line fault thresholds frequency characteristic
● p5556[0...9] Line monitoring HFRT time values
● p5557[0...9] Line monitoring HFRT frequency values
● p5558[0...9] Line monitoring LFRT time values
● p5559[0...9] Line monitoring LFRT frequency values
Others
● p3612 CI: Infeed reactive power precontrol
7.8.6

Function block diagrams

● 7996 Characteristic
● 7997 Current limitation
● 7998 Sequence control
● 7999 Line monitoring anti-islanding
Grid infeed
System Manual, 04/2015, A5E03347436A
7.8 Commissioning of dynamic grid support
Commissioning
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