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(A1HY or A2HY) can be selected to avoid interference problem of alarm in a noisy environment. Normally,
A1HY and A2HY can be set with a minimum (0.1) value. Trigger levels of alarm are moving with set point.
For alarm 1, Trigger levels=SP1+A1DV 1/2 A1HY.
For alarm 2, Trigger levels=SP1+A2DV 1/2 A2HY.
A1SP and/or A2SP are hidden if alarm 1 and/or alarm 2 are set with deviation alarm. One of 4
kinds of alarm modes can be selected for alarm 1 and alarm 2. These are Normal alarm, latching alarm,
Holding alarm and Latching/Holding alarm.
5-5 Normal Deviation Alarm
5-6 Latching Deviation Alarm
5-7 Holding Deviation Alarm