Schweitzer Engineering Laboratories SEL-351 - Page 462

11-12 Front-Panel Interface Date Code 20001006
SEL-351 Instruction Manual
Optoisolated input IN2 is used as a recloser enable/disable. Optoisolated input IN1 is used as a
circuit breaker status input (a 52a circuit breaker auxiliary contact is connected to input IN1; see
Optoisolated Inputs in Section 7: Inputs, Outputs, Timers and Other Control Logic).
Display
Points
(SELOGIC
Control
Equation
Settings)
Example
Display
Point
States
Display Point
Label Settings
DP1 = IN2
DP2 = 52A
= logical 0
= logical 0
DP1_1 = 79 ENABLED
DP1_0 = 79 DISABLED
DP2_1 = BREAKER CLOSED
DP2_0 = BREAKER OPEN
DP1 = IN2
DP2 = 52A
= logical 1
= logical 0
DP1_1 = 79 ENABLED
DP1_0 = 79 DISABLED
DP2_1 = BREAKER CLOSED
DP2_0 = BREAKER OPEN
Courtesy of NationalSwitchgear.com