12.1 Alarm ModeALDX Alarm mode DescriptionBoot completed, the alarm is OFF, when PV≥SV start the timer,alarm is turned ON and the control function keep ON in timed out.If the RAMP function is used, even if the RAMP SV has not19 SOAK_B reached the target SV, the timer will start counting as long as thecondition PV≥target SV is met.*Please refer to Chapter 11.7*This mode only available in ALD1 or ALD2*In this mode, the time format is fixed to “hour.minute”12.2 Alarm Special SettingSETA.1SETA.2SETA.3SETA.40:Alarm 1 relay reverse active disable (Normal Open)1:Alarm 1 relay reverse active enable (Normal Close)0:Alarm 2 relay reverse active disable (Normal Open)1:Alarm 2 relay reverse active enable (Normal Close)0:Alarm 3 relay reverse active disable (Normal Open)1:Alarm 3 relay reverse active enable (Normal Close)0:When ALDX=17,Program execution Alarm action1:When ALDX=17,Program end Alarm action12.3 Alarm ExampleExample 1 : Deviation low, the difference between With alarm hold action and without alarm hold action, shown in the diagram belowWith alarm hold action (ALDX=06) without alarm hold action (ALDX=16)temperature temperaturePV PVEvent set valueEventEvent set valueEventarea areatimetimeWith hold action OFF ON ON OFF ONFY/FU operation manual 46