Schweitzer Engineering Laboratories SEL-311C Instruction Manual

641, B.11 Date Code 20060320 Instruction Manual SEL-311C Relay Firmware Upgrade Instructions NOTE: This example shows uploading new firmware directly from a disk. For a faster upload (and less potential for file corruption), copy the new firmware to the local hard drive and upload the new firmwa…

746, 2 SEL-311C Relay Instruction Manual Date Code 20060320 SEL-311C Relay Command Summary Access Level 1 Commands The Access Level 1 commands primarily allow the user to look at information (e.g., settings, metering), not change it. The screen prompt is: => EVE C n Show compressed event repo…

625, Schweitzer Engineering Laboratories SEL-311C A.5 Date Code 20060320 Instruction Manual SEL-311C Relay Firmware and Instruction Manual Versions Instruction Manual Instruction Manual The date code at the bottom of each page of this manual reflects the creation or revision date. Table A.3 lists the instruction manual release dates and a desc…

107, 3.39 Date Code 20060320 Instruction Manual SEL-311C Relay Distance, Out-of-Step, Overcurrent, Voltage, Synchronism Check, and Frequency Elements Time-Overcurrent Elements Accuracy Pickup ±0.05 A secondary and ±3% of setting (5 A nominal phase current inputs, IA, IB, IC) ±0.01 A secondary and…

689, G.7 Date Code 20060320 Instruction Manual SEL-311C Relay SEL Synchrophasors Protocol Operation Table G.4 Permissible Message Periods Requested by Enable Message Message Period (Hex) Fast Messages Sent This Number of Seconds After the Top of Each Minute Number of Fast Messages per Mi…

133, 4.5 Date Code 20060320 Instruction Manual SEL-311C Relay Loss-of-Potential, CCVT Transient Detection, Load-Encroachment, and Directional Element Logic Load-Encroachment Logic Load-Encroachment Logic The load-encroachment logic (see Figure 4.3) and settings are enabled/ disabled with…