Basler BE1-40Q Instruction Manual

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Basler BE1-40Q Instruction Manual Manual pdf 20 page image

3-4 BE1-40Q Functional Description 9171500990 Rev MTARGET INDICATORA target indicator is an optional component selected when a relay is ordered. The electronically latchedand reset target consists of a red LED indicator located on the relay front panel. A latched target is resetby operating the target reset switch on the front panel. If relay operating power is lost, an illuminated(latched) target is extinguished. When relay operating power is restored, the previously latched target isrestored to its latched state.A relay can be equipped with either an internally operated target or current operated target.The relay trip output is directly applied to drive the target indicator. The indicator is illuminated regardlessof the current level in the trip circuit.Internally Operated TargetA current operated target is triggered by closure of the output contactCurrent Operated TargetandNOTEthe presence of at least 200milliamperes of current flowing in the trip circuit.Prior to September 2007, BE1-40Q the target indicator consisted of amagnetically latched, disc indicator. This mechanically latched target indicatorhas been replaced by the electronically latched LED target in use today.