14.36
SEL-311C Relay Instruction Manual Date Code 20060320
Application Settings for SEL-221 Series Relays
SEL-221F-3 to SEL-311C Settings Conversion Guide
Table 14.20 shows all SEL-221F-3 Relay Word bits, and an approximate
equivalent SEL-311C SEL
OGIC expression, when setting APP = 221F3 in the
SEL-311C. Table 14.19 shows each SEL-221F-3 Mask Logic Setting and the
equivalent SEL-311C SEL
OGIC control equation. To convert an SEL-221F-3
Mask Logic Setting to a SEL
OGIC control equation, logically OR each
appropriate SEL-221F-3 Relay Word bit equivalent expression (Table 14.20)
and enter the resultant expression in the related SEL
OGIC control equation
(Table 14.19).
Table 14.19 SEL-311C SELOGIC Control Equation Equivalent to Each
SEL-221F-3 Mask Logic Setting
SEL-221F-3 Settings Mask SEL-311C SELOGIC Control Equations
MTU TR
MPT SV3 (DTT)
MTB SV4 (DTT)
MTO TRSOTF
MA1 OUT104
MA2 OUT105
MA3 OUT106
MA4 OUT107
MRI 79RI
MRC 79DTL
Ta ble 1 4. 20 S E L
OGIC Equivalent to SEL-221F-3 Relay Word Bits (Sheet 1 of 2)
SEL-221F-3 Relay Word Bit
Equivalent SEL-311C
SEL
OGIC Expression
Z1P M1P
Z1G Z1G
Z2PT M2PT
Z2GT Z2GT
Z3 M3P + M3G
Z3T Z3T
3P21 M3P * !32QF
32Q 32GF + 32QF
67N 67G1
51NP 51G
51NT 51GT
50NG None
50P None
50H 50P1
IN1 IN101
REJO None
LOP ILOP
BFT SV1T
27S !59VS
27P !59VP
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