Barksdale Dynalco SST7400 설치 및 운영 매뉴얼 - 페이지 15

{카테고리_이름} Barksdale Dynalco SST7400에 대한 설치 및 운영 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Barksdale Dynalco SST7400 19 페이지. Speed switch / transmitter

Setpoints 1 & 2 (plus 3 & 4 for SST7400)

The Setpoint tabs allow configuration of relay setpoints and relay logic.

 Enable

o Check this box to enable each setpoint

 Relay Normal State

o This is the normal relay state when not tripped

o Either select normally Energized or normally De-Energized

WARNING:

For critical applications, it is highly recommended to configure the Relay Normal State as "normally

Energized." This configuration will cause the contacts to switch in the event of a relay coil failure.

 Latching

o Un-check this box to select non-latching relay (auto-reset following trip)

o Check this box to select latching relay (must be manually reset following trip)

o A momentary contact from DIG IN (digital input) to VIN GND (supply ground)

will reset latching relay

 Low

o Selects under speed setpoint

o Set to 0 if no under speed setpoint required

 Low Reset

o Defines

following an under speed trip

o Must be set at least 1%

higher than Low RPM value

to prevent relay chatter

o Set to 0 if no under speed

setpoint required

 High

o Selects over speed setpoint

 High Reset

o Defines

following an over speed trip

o Must be set at least 1% lower

than High RPM value to

prevent relay chatter

the

reset

value

the

reset

value