YOKOGAWA UM33A User Manual

9-8
IM 05P03C21-01EN
9.3 SettingHysteresistoAlarmOperation
Description
If the On/Off switch of the alarm output is too busy, you can alleviate the busyness by
increasing the alarm hysteresis.
HysteresisforPVHighLimitAlarm
Point of ON/OFF action
(alarm setpoint)
PV
Output
ON
OFF
Hysteresis
WhenSettingHysteresisof5ºCand15ºCforPVHighLimitAlarm
Closed (ON)
Open
Time
Alarm-1 setpoint:
100ºC
(example)
Closed (ON)
Open
Time
Alarm-1 setpoint:
100ºC (example)
HYS: 15ºC (example)HYS: 5ºC (example)
PV
PV
Alarm ON
OFF
ON
OFF
ON
OFF
Alarm ON
OFF
SettingDetails
Parameter
symbol
Name
Display
level
Settingrange Menusymbol
HY1toHY8
Alarm-1 to -8
hysteresis
EASY
Sets the hysteresis setpoint as a
display value.
-19999 to 30000 (set it within the
input range)
The decimal point position
depends on the input type.
ALRM

YOKOGAWA UM33A Specifications

General

Brand	YOKOGAWA
Model	UM33A
Category	Touch Panel
Language	English