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Alarm Outputs Section 3-9
• Set the alarm type independently for each alarm in the Alarm 1 to 3 Type
parameters in the initial setting level. The default is 2 (Upper-limit alarm).
3-9-2 Alarm Values
• Alarm values are indicated by “X” in the table on the previous page. When
the upper and lower limits are set independently, “H” is displayed for
upper limit values, and “L” is displayed for lower limit values.
• To set the alarm value upper and lower limits for deviation, set the upper
and lower limits in each of the Alarm 1 to 3 Upper Limit, and Alarm 1 to 3
Lower Limit parameters in the operation level.
Operating Procedure This procedure sets alarm 1 as an upper-limit alarm. The related parameters
and settings are shown below. The alarm is output when the set point
exceeds 10
°C. (In this example, the temperature unit is °C.)
Alarm 1 type = 2 (Upper-limit alarm)
Alarm value 1= 10
al1l
al1h
al2l
al2h
al-1
al-2
al3l
al3h
al-3
Alarm Lower
Limit Value
Alarm Upper
Limit Value
Alarm Value
Initial Setting Level
1. Press the O Key for at least three seconds to move from the operation
level to the initial setting level.
2. Select the Alarm 1 Type parameter by pressing the M Key. Confirm that
the set value is 2. The default value is 2 (Upper-limit alarm).
3. To return to the operation level, press the O Key for at least one second.
4. Select the Alarm Value 1 parameter by pressing the M Key.
5. Use the U Key to set the parameter to 10.
in-t
5
Input Type
alt1
2
Alarm 1 Type
C
25
100
PV/SP
C
al-1
0
Alarm Value 1
C
al-1
10