16
IM XL120P
Alarm Function
Generates an alarm when the measured/calculated value meets a certain
condition. When an alarm occurs, information notifying the alarm occurrence is
displayed on the screen. In addition, an alarm signal can be delivered from the
output terminal (digital I/O connector) on the rear panel of the XL100 by
connecting a digital I/O cable (option). You can select the alarm conditions from
the following table.
For details on the settings, see chapter 6, “Setting Alarms” in the User’s
Manual.
Input Type
Setting
Alarm Condition
Level
OFF
Not set alarm conditions.
or Pulse
Hi
An alarm occurs when the measured/calculated
value is greater than or equal to the alarm value.
Lo
An alarm occurs when the measured/calculated
value is less than or equal to the alarm value.
Window IN
An alarm occurs when the measured/calculated
value is within the lower limits and upper limits of
the alarm range.
Window OUT
An alarm occurs when the measured/calculated
value is outside the lower limits and upper limits
of the alarm range.
Logic
OFF
Not set alarm conditions.
Hi
An alarm occurs when the logic input changes
from low to high.
Lo
An alarm occurs when the logic input changes
from high to low.
Alarm
value
Alarm release
Measured value
Alarm occurrence
Hi
Lo
Measured
value
Alarm value
Alarm occurrence
Alarm value
Alarm release
Measured value
Alarm occurrence
Window IN
Window OUT
Measured
value
Alarm release
Alarm value
Alarm occurrence
Alarm release
5. Introduction of the Main Functions
Содержание Datum Y XL100
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