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Omron E5AN User Manual

Omron E5AN
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72
Alarm Outputs Section 3-9
PV Change Rate Alarm The change width can be found for PV input values in any set period. Differ-
ences with previous values in each set period are calculated, and an alarm is
output if the result exceeds the alarm value. The PV rate of change calculation
period can be set in units of 250 ms.
If a positive value is set for the alarm value, the PV will operate as a change
rate alarm in the rising direction. If a negative value is set, the PV will operate
as a change rate alarm in the falling direction.
Precaution
If a shorter PV rate of change calculation period is set, outputs set for the PV
change rate alarm function may repeatedly turn ON and OFF for a short
period of time. It is therefore recommended that the PV change rate alarm be
used with the alarm latch turned ON.
4. Select the Alarm Value 1 parameter by pressing the M Key.
5. Use the U Key to set the parameter to 10.
C
al-1
0
Alarm Value 1
C
al-1
10
Parameter name Setting range Unit Default
PV Rate of Change Calcu-
lation Period
1 to 999 Sampling cycle 4 (1 s)
PV
Alarm value
Time
PV change width for PV rate
of change calculation period
Alarm function
OFF
ON
OFF
ON
0

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Omron E5AN Specifications

General IconGeneral
BrandOmron
ModelE5AN
CategoryTemperature Controller
LanguageEnglish

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