Schweitzer Engineering Laboratories SEL-351 - Output Contacts; Factory Settings Example; Operation of Output Contacts for Different Output Contact Types; Output Contacts OUT1 through OUT11 (Model 0351 Xt Example)

7-34 Inputs, Outputs, Timers, and Other Control Logic Date Code 20001006
SEL-351 Instruction Manual
OUTPUT CONTACTS
Figure 7.28 through Figure 7.30 show the example operation of output contact Relay Word bits
(e.g., Relay Word bits OUT1 through OUT11 in Figure 7.28) due to:
SELOGIC Control Equation operation (e.g., SELOGIC Control Equation settings OUT1
through OUT11 in Figure 7.28)
or
PULSE command execution
The output contact Relay Word bits in turn control the output contacts (e.g., output contacts
OUT1 through OUT11 in Figure 7.28).
Alarm logic/circuitry controls the ALARM output contact (see Figure 7.28 and Figure 7.30)
Figure 7.28 is used for following discussion/examples. The output contacts in Figure 7.29 and
Figure 7.30 operate similarly.
Factory Settings Example
In the factory SELOGIC Control Equation settings, three output contacts are used:
OUT1 = TRIP (overcurrent tripping/manual tripping; see Section 5: Trip and
Target Logic)
OUT2 = CLOSE (automatic reclosing/manual closing; see Section 6: Close and
Reclose Logic)
OUT3 = SV1T (breaker failure trip; see SELOGIC Control Equation
Variables/Timers earlier in this section)
OUT4 = 0 (output contact OUT4 not used – set equal to zero)
.
.
.
OUT11 = 0 (output contact OUT11 not used – set equal to zero)
Operation of Output Contacts for Different Output Contact Types
Output Contacts OUT1 Through OUT11 (Model 0351xT Example)
Refer to Figure 7.28.
The execution of the serial port command PULSE n (n = OUT1 through OUT11) asserts the
corresponding Relay Word bit (OUT1 through OUT11) to logical 1. The assertion of SELOGIC
Control Equation setting OUTm (m = 1 through 11) to logical 1 also asserts the corresponding
Relay Word bit OUTm (m = 1 through 11) to logical 1.
Courtesy of NationalSwitchgear.com