2-32 Specifications Date Code 20011026
SEL-321/321-1 Instruction Manual
Element Comment
*
51NR
51QR
51PR
*
*
*
*
Reserved For Future Use
Residual Time-Overcurrent Element Resetting
Negative-Sequence Time-Overcurrent Element Resetting
Phase Time-Overcurrent Element Resetting
Reserved For Future Use
Reserved For Future Use
Reserved For Future Use
Reserved For Future Use
Table 2.14 shows the status indicators for the input and output contacts for one I/O board relays.
Table 2.15 shows status indicators for the input and output contacts for two I/O board relays.
Table 2.14: Input/Output Contact Targets (One I/O Board Version, SEL-321 Relay Only)
TAR Status Indicators
38
OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 OUT8
39
OUT9 OUT10 OUT11 OUT12 OUT13 OUT14 OUT15 !ALARM
40
IN8 IN7 IN6 IN5 IN4 IN3 IN2 IN1
Table 2.15: Input/Output Contact Targets (Two I/O Board Version, SEL-321 Relay Only)
TAR Status Indicators
38
OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 OUT8
39
OUT9 OUT10 OUT11 OUT12 OUT13 OUT14 OUT15 !ALARM
40
OUT17 OUT18 OUT19 OUT20 OUT21 OUT22 OUT23 OUT24
41
OUT25 OUT26 OUT27 OUT28 OUT29 OUT30 OUT31 OUT32
42
IN8 IN7 IN6 IN5 IN4 IN3 IN2 IN1
43
IN16 IN15 IN14 IN13 IN12 IN11 IN10 IN9
The following tables show additional SELOGIC control equation variables available in the
SEL-321-1 Relay. Table 2.16 lists command-settable Remote Bits, RB1 through RB16. You
may set, clear, or pulse the Remote Bits via the CONTROL command. These Remote Bits can
be used in SEL
OGIC control equations to design logic which can be set, cleared, or pulsed locally
or remotely by entering a command. Refer to Section 3: Communications of this instruction
manual for an explanation of the CONTROL command.
Table 2.16: Remote Bits (SEL-321-1 Relay Only)
TAR Elements
26
RB8 RB7 RB6 RB5 RB4 RB3 RB2 RB1
27
RB16 RB15 RB14 RB13 RB12 RB11 RB10 RB9
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