4.36
SEL-387-0, -5, -6 Relay Instruction Manual Date Code 20170601
Control Logic
Relay Word Bits
57 49A05B RTD5B alarm picked up (SEL-387-5 and SEL-387-6 Relays)
49T05B RTD5B trip picked up (SEL-387-5 and SEL-387-6 Relays)
49A06B RTD6B alarm picked up (SEL-387-5 and SEL-387-6 Relays)
49T06B RTD6B trip picked up (SEL-387-5 and SEL-387-6 Relays)
49A07B RTD7B alarm picked up (SEL-387-5 and SEL-387-6 Relays)
49T07B RTD7B trip picked up (SEL-387-5 and SEL-387-6 Relays)
49A08B RTD8B alarm picked up (SEL-387-5 and SEL-387-6 Relays)
49T08B RTD8B trip picked up (SEL-387-5 and SEL-387-6 Relays)
58 49A09B RTD9B alarm picked up (SEL-387-5 and SEL-387-6 Relays)
49T09B RTD9B trip picked up (SEL-387-5 and SEL-387-6 Relays)
49A10B RTD10B alarm picked up (SEL-387-5 and SEL-387-6 Relays)
49T10B RTD10B trip picked up (SEL-387-5 and SEL-387-6 Relays)
49A11B RTD11B alarm picked up (SEL-387-5 and SEL-387-6 Relays)
49T11B RTD11B trip picked up (SEL-387-5 and SEL-387-6 Relays)
49A12B RTD12B alarm picked up (SEL-387-5 and SEL-387-6 Relays)
49T12B RTD12B trip picked up (SEL-387-5 and SEL-387-6 Relays)
59 COMFLA Asserts when communications fails
or when out-of-range temperature data
received from RTDA (SEL-387-5 and SEL-387-6 Relays)
RTDINA State of external RTDA module’s digital input
(SEL-387-5 and SEL-387-6 Relays)
COMFLB Asserts when communications fails
or when out-of-range temperature data
received from RTDB (SEL-387-5 and SEL-387-6 Relays)
RTDINB State of external RTDB module’s digital input
(SEL-387-5 and SEL-387-6 Relays)
ISQTAL Cumulative through-fault I
2
t on a phase of a
designated winding has exceeded the through-fault I
2
t
threshold ISQT (SEL-387-5 and SEL-387-6 Relays)
Table 4.11 Relay Word Bits Sorted Alphabetically (Sheet 1 of 13)
Bit Definition Row
All LED targets–not usable in SELOGIC control equations 0
All LED targets–not usable in SEL
OGIC control equations 1
2HB1 Second-harmonic block asserted for differential element 1 19
2HB2 Second-harmonic block asserted for differential element 2 19
2HB3 Second-harmonic block asserted for differential element 3 19
32IE Internal enable for the 32I element 20
32IF 32I element forward (internal) fault declaration 21
32IR 32I element reverse (external) fault declaration 21
49A01A RTD1A alarm picked up (SEL-387-5 and SEL-387-6 Relays) 53
49A01B RTD1B alarm picked up (SEL-387-5 and SEL-387-6 Relays) 56
49A02A RTD2A alarm picked up (SEL-387-5 and SEL-387-6 Relays) 53
49A02B RTD2B alarm picked up (SEL-387-5 and SEL-387-6 Relays) 56
Table 4.10 Relay Word Bit Definitions (Sheet 12 of 12)
Row Bit Definition
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