Date Code 20170814
Instruction Manual
SEL-700G Relay
Appendix J
Relay Word Bits
Instruction Manual
Overview
The protection and control element results are represented by Relay Word bits
in the SEL-700G Relay. Each Relay Word bit has a label name and can be in
either of the following states:
➤
1 (logical 1)
➤
0 (logical 0)
Logical 1 represents an element being picked up or otherwise asserted.
Logical 0 represents an element being dropped out or otherwise deasserted.
Table J.1 shows the entire list of Relay Word bits in the relay. Table J.3 shows
the corresponding descriptions. Except for those Relay Word bits identified in
Table J.2, all other Relay Word bits are visible across all of the models. The
Relay Word bits in Table J.2 are associated with the overcurrent elements. The
Relay Word bits marked HIDDEN are not visible and not settable for the
models specified in the table. Besides the Relay Word bits presented in
Table J.2, any bits in Table J.1 that are not applicable to a specific model,
although visible and settable, are inactive and will not change their state. The
Relay Word bit row numbers correspond to the row numbers used in the
TARGET Command (Display Relay Word Bit Status) on page 7.46.
You can use any Relay Word bit (except Row 0) in SEL
OGIC
control equations
(see Section 4: Protection and Logic Functions) and the Sequential Events
Recorder (SER) trigger list settings (see Section 9: Analyzing Events).
Table J.1
SEL-700G Relay Word Bits
(Sheet 1 of 5)
Bit/
Row
Relay Word Bits
7
6
5
4
3
2
1
0
TAR 0
ENABLED
TRIP_LED
TLED_01
TLED_02
TLED_03
TLED_04 TLED_05
TLED_06
1
50PX1P
50PX1T
50PX2P
50PX2T
50PY1P
50PY1T
50PY2P
50PY2T
2
50PX3AP
50PX3AT
50PX3BP
50PX3BT
50PX3CP
50PX3CT
a
ORED50T
3
50PY3AP
50PY3AT
50PY3BP
50PY3BT
50PY3CP
50PY3CT
LOPBLKX
LOPBLKY
4
50GX1P
50GX1T
50GX2P
50GX2T
50QX1P
50QX1T
50QX2P
50QX2T
5
50GY1P
50GY1T
50GY2P
50GY2T
50QY1P
50QY1T
50QY2P
50QY2T
6
67GX1P
67GX1T
67GX2P
67GX2T
67GY1P
67GY1T
67GY2P
67GY2T
7
67PY1P
67PY1T
67PY2P
67PY2T
67QY1P
67QY1T
67QY2P
67QY2T
8
50N1P
50N1T
50N2P
50N2T
46Q1
46Q1T
46Q2
46Q2T
9
51PXP
51PXT
51QXP
51QXT
51GXP
51GXT
ORED51T
10
51PYP
51PYT
51QYP
51QYT
51GYP
51GYT
51NP
51NT
11
87U1
87U2
87U3
87U
87R1
87R2
87R3
87R
Summary of Contents for SEL-700G Series
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