9.26
SEL-351A Relay Instruction Manual Date Code 20080213
Setting the Relay
Relay Word Bits (Used in SEL
OGIC Control Equations)
24 SFAST
b
f
P
> f
S
(frequency V
P
> frequency V
S
; see Figure 3.27) Special Control Schemes
SSLOW
b
f
P
≤ f
S
(frequency V
P
≤ frequency V
S
; see Figure 3.27)
IN106 Optoisolated input IN106 asserted (see Figure 7.1) Circuit breaker status, Control
via optoisolated inputs
IN105 Optoisolated input IN105 asserted (see Figure 7.1)
IN104 Optoisolated input IN104 asserted (see Figure 7.1)
IN103 Optoisolated input IN103 asserted (see Figure 7.1)
IN102 Optoisolated input IN102 asserted (see Figure 7.1)
IN101 Optoisolated input IN101 asserted (see Figure 7.1)
25 LB1 Local Bit 1 asserted (see Figure 7.3) Control via front panel-replac-
ing traditional panel-mounted
control switches
On models without LCD,
Relay Word bits LB1–LB16 =
0 at all times
LB2 Local Bit 2 asserted (see Figure 7.3)
LB3 Local Bit 3 asserted (see Figure 7.3)
LB4 Local Bit 4 asserted (see Figure 7.3)
LB5 Local Bit 5 asserted (see Figure 7.3)
LB6 Local Bit 6 asserted (see Figure 7.3)
LB7 Local Bit 7 asserted (see Figure 7.3)
LB8 Local Bit 8 asserted (see Figure 7.3)
26 LB9 Local Bit 9 asserted (see Figure 7.3)
LB10 Local Bit 10 asserted (see Figure 7.3)
LB11 Local Bit 11 asserted (see Figure 7.3)
LB12 Local Bit 12 asserted (see Figure 7.3)
LB13 Local Bit 13 asserted (see Figure 7.3)
LB14 Local Bit 14 asserted (see Figure 7.3)
LB15 Local Bit 15 asserted (see Figure 7.3)
LB16 Local Bit 16 asserted (see Figure 7.3)
27 RB1 Remote Bit 1 asserted (see Figure 7.9) Control via serial port
RB2 Remote Bit 2 asserted (see Figure 7.9)
RB3 Remote Bit 3 asserted (see Figure 7.9)
RB4 Remote Bit 4 asserted (see Figure 7.9)
RB5 Remote Bit 5 asserted (see Figure 7.9
)
RB6 Remote Bit 6 asserted (see Figure 7.9)
RB7 Remote Bit 7 asserted (see Figure 7.9)
RB8 Remote Bit 8 asserted (see Figure 7.9)
28 RB9 Remote Bit 9 asserted (see Figure 7.9)
RB10 Remote Bit 10 asserted (see Figure 7.9)
RB11 Remote Bit 11 asserted (see Figure 7.9)
RB12 Remote Bit 12 asserted (see Figure 7.9)
RB13 Remote Bit 13 asserted (see Figure 7.9)
RB14 Remote Bit 14 asserted (see Figure 7.9)
RB15 Remote Bit 15 asserted (see Figure 7.9)
RB16 Remote Bit 16 asserted (see Figure 7.9)
Table 9.6 Relay Word Bit Definitions for SEL-351A (Sheet 9 of 16)
Row Bit Definition Primary Application
Courtesy of NationalSwitchgear.com
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