YOKOGAWA UP55A - Page 311

11-4
IM 05P02C41-01EN
DeviationwithinHighandLowLimitsAlarm,Deviation(%)withinHighand
LowLimitsAlarm
PV
Alarm hysteresis
Alarm hysteresis
Deviation within high
and low limits alarm setpoint
Time
ON ON OFF OFFON
Deviation within
high and low limits
alarm output
Target setpoint
(SP)
Contact type in the figure above: Energized when an event occurs (factory default).
Set the alarm setpoint and hysteresis for a deviation(%) within high and low limits as
percentages of the setpoint.
TargetSPHighLimitAlarmandTargetSPLowLimitAlarm
ON
ON
Taraget SP
OFF
OFF
Contact type in the figure above: Energized when an event occurs (factory default).
Time
Target SP high limit
alarm setpoint
Target SP low limit
alarm setpoint
Target SP high limit
alarm output
Target SP low limit
alarm output
Alarm hysteresis
SP changing SP changing SP changing SP changing
SP in ramp rate setting
Alarm hysteresis
11.1SettingAlarmType