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SECTION 3
• FUNCTIONAL DESCRIPTION
TABLE OF CONTENTS
• FUNCTIONAL DESCRIPTION ........................................................................................... 3-1
Introduction ............................................................................................................................................ 3-1
Hardware ................................................................................................................................................ 3-1
Circuit Operation .................................................................................................................................... 3-1
Inputs .................................................................................................................................................. 3-1
Microprocessor ................................................................................................................................... 3-3
Outputs ............................................................................................................................................... 3-3
Fault Clearing ..................................................................................................................................... 3-3
Interconnections ..................................................................................................................................... 3-4
Recloser Operation ................................................................................................................................ 3-5
Reset .................................................................................................................................................. 3-5
Lockout ............................................................................................................................................... 3-5
Reclosing Sequences ......................................................................................................................... 3-5
Figures
Figure 3-1. Function Block Diagram .......................................................................................................... 3-1
Figure 3-2. Relay Interconnections............................................................................................................ 3-4
Figure 3-3. Reclose Settings Example ...................................................................................................... 3-6
Figure 3-4. Reclosing Flow Chart .............................................................................................................. 3-7
Tables
Table 3-1. Contact Sensing Jumpers ........................................................................................................ 3-2
Table 3-2. Contact Sensing Inputs Description ......................................................................................... 3-2
Table 3-3. Outputs Description for ACR11A Operation............................................................................. 3-3
9310200893 Rev C
BE1-79A Functional Description
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