Siemens 7SR242 - Page 4

7SR242 Duobias Description Of Operation
©2010 Siemens Protection Devices Limited Chapter 1 Page 4 of 52
Figure 5-2 Logic Diagram: Trip Circuit Supervision Feature (74TCS) ................................................45
Figure 5-3 Logic Diagram: Close Circuit Supervision Feature (74CCS).............................................45
Figure 5-4 Logic Diagram: Inrush Detector Feature (81HBL2) ...........................................................46
Figure 5-5 Logic Diagram: Overfluxing Detector Feature (81HBL5)...................................................46
List of Tables
Table 1-1: 7SR242 Ordering Options....................................................................................................7
Table 2-1 Summary of 7SR24 Relay Configurations.........................................................................13
Table 6-1 Operation Mode .....................................................................................................................51