Contents
Document Release History....................................................................................................................2
Section 1: Common Functions .............................................................................................................5
1.2 Binary Inputs .............................................................................................................................6
1.3 Binary Outputs ..........................................................................................................................9
1.4 LEDs .........................................................................................................................................9
2.1.1
2.1.2
Reset Delay................................................................................................................13
2.4.1
2.10 Undercurrent (37)....................................................................................................................24
2.11 Thermal Overload (49)............................................................................................................24
Section 3: CT Requirements ...............................................................................................................29
3.1.1
3.1.2
Section 4: Control Functions ..............................................................................................................30
4.1.1
Auto-Reclose Example 1............................................................................................31
4.1.2
4.2.1
5.1.1
Settings Guidelines ....................................................................................................34
5.4.1
©2011 Siemens Protection Devices Limited
7SR210 & 7SR220 Applications Guide
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