701 Motor Protection Relay Date Code 20010719
SEL
OGIC
®
Control Equations & Relay Logic
Breaker Auxiliary Contact SEL
OGIC Control Equation Setting
B.22
Breaker Auxiliary Contact
SELOGIC Control Equation Setting
The breaker auxiliary contact SELOGIC control equation setting, 52A =, defines
the relay input contact that is connected to a breaker auxiliary contact. The factory
default setting, 52A = !IN1, allows you to connect a breaker 52B contact to input IN1.
If you wish to connect a breaker 52A contact to the input, set 52A = IN1. The equation
result is the 52A Relay Word bit. You can use the result to create custom control
functions such as breaker failure logic, if necessary, for your application.
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