Barksdale Dynalco SST7200 Installatie- en bedieningshandleiding - Pagina 15
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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
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