A.8
SEL-311C Relay Instruction Manual Date Code 20060320
Firmware and Instruction Manual Versions
Instruction Manual
Section 1
➤ Updated Terminal Connections information in General Specifications.
➤ Added Fast Hybrid High-Current Interrupting option information to General Specifications.
Section 2
➤ Added Fast Hybrid High-Current Interrupting Output Contacts rear-panel drawings.
➤ Added Connectorized
®
rear-panel drawings.
➤ Added Fast Hybrid High-Current Interrupting Output Contacts section.
➤ Added new figure: Possible Connections for Fast High-Current Interrupting Output Contacts (Circuit
Load not Shown, Third Terminal Connection Is Optional).
➤ Added Interface Board 5 Component Layout drawing.
Section 3
➤ Added two drawings: Ground and Phase Distance Speed Curves—Standard Output and Ground and
Phase Distance Speed Curves—Fast Hybrid Output.
➤ Added Distance Element Operating Time Curves at Nominal Frequency section.
➤ Updated Frequency Elements section and the Undervoltage Block for Frequency Elements drawing.
Section 5
➤ Updated Three-Pole Open Logic (Top) and Switch-Onto-Fault Logic (Bottom) drawing.
➤ Updated POTT Logic drawing.
➤ Updated SEL-311C Relay Connections to Communications Equipment for a Three-Terminal Line DCB
Scheme drawing.
Section 7
➤ Updated Input Debounce Timers section.
➤ Added Displaying Time-Overcurrent Elements on the Rotating Default Display and following sections.
➤ Added descriptions of the ELAT, ESV, and EDP settings.
Section 8
➤ Modified breaker reset options to include the internal and external trips and currents in the Via Serial
Port subsection in the View or Reset Breaker Monitor Information section.
Section 9
➤ Updated Event Report Parameters section in the Settings Sheets.
➤ Updated Optoisolated Input Timers section in the Settings Sheets.
➤ Added ELAT and EDP settings in the Other Enable Settings section
in the Settings Sheets.
Section 10
➤ Added STA C command information to Access Level 2 Commands
in the Command Summary.
Section 12
➤ Added 180-cycle event report information.
➤ Updated the number of event reports that are maintained.
➤ Updated Output, Input, and Protection, and Control Element Event Report Columns table.
Section 13
➤ Added Ground Quadrilateral Distance Element Reactive Reach Test Using Three Voltage Sources and
One Current Source section.
➤ Added Ground Quadrilateral Distance Element Resistive Reach Test Using Three Voltage Sources and
One Current Source section.
Section 14
➤ Updated SELOGIC Equivalent to SEL-221F Relay Word Bits table.
➤ Updated SELOGIC Equivalent to SEL-221F-3 Relay Word Bits table.
Appendix A
➤ Updated firmware.
Table A.3 Instruction Manual Revision History (Sheet 4 of 6)
Revision Date Summary of Revisions
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