Date _______________
Date Code 20060320 Instruction Manual SEL-311C Relay
SET.5 of 6SEL-311C Settings Sheet Application Setting 221-16
Power System Configuration (See Settings Explanations on page 9.33)
Phase rotation (ABC, ACB) PHROT =
Nominal frequency (50 Hz, 60 Hz)
NFREQ =
Display Point Labels (See Rotating Default Display (Only on Models With LCD) on
page 7.36 and Rotating Default Display on page 11.12)
NOTE: This application assumes that the user has programmed the text settings as indicated below.
If the text settings listed below are not programmed as indicated, the front-panel display points will
not display the correct information for these display points.
Display if DP1 = logical 1 (16 characters)
DP1_1 = BREAKER CLOSED
Display if DP1 = logical 0 (16 characters)
DP1_0 = BREAKER OPEN
Event Report Parameters (See Section 12: Standard Event Reports and SER)
Length of event report (15, 30, 60, 180 cycles) LER =
Length of pre-fault in event report
(1–14 cycles in 1-cycle steps for LER = 15)
(1–29 cycles in 1-cycle steps for LER = 30)
(1–59 cycles in 1-cycle steps for LER = 60)
(1–179 cycles in 1-cycle steps for LER = 180)
PRE =
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