59 FY operation manual
12.1 Alarm Mode
:SV : Alarm set value X:1 / 2 / 3 (There are up to 3 sets of alarms)
Not drive any alarm relays and the corresponding LED lamp.
Deviation high
(With hold action)
PV ≥ (SV+ALX) → Alarm ON
PV ≤ (SV+ALX-HYSA) → Alarm OFF
Deviation low
(With hold action)
*
ALX must to be set to a negative value
PV ≤ (SV+ALX) → Alarm ON
PV ≥ (SV+ALX+HYSA) → Alarm OFF
Deviation high/low
(With hold action)
PV ≥ (SV+ALX) → Alarm ON
PV ≤ (SV-ALX) → Alarm ON
PV ≥ (SV-ALX+HYSA) → Alarm OFF
PV ≤ (SV+ALX-HYSA) → Alarm OFF
PV ≤ (SV+ALX) → Alarm ON
PV ≥ (SV-ALX) → Alarm ON
PV > (SV+ALX) → Alarm OFF
PV < (SV-ALX) → Alarm OFF
Process high
(With hold action)
PV ≥ ALX→ Alarm ON
PV ≤ (ALX-HYSA) → Alarm OFF
Process low
(With hold action)
PV ≤ ALX→ Alarm ON
PV ≥ (ALX+HYSA) → Alarm OFF
When SEG=ALX alarm ON
*
This mode only available in program type controller
The Alert action, when PV displays error message
Activated conditions:
1. Heater current is less the HBAC set value
2. OUT1 manipulated value exceed HBOP set value
3. Conditions of 1 & 2 above are established and continue to
exceed 20 seconds.
*
Please refer to Chapter 11.4
*
This mode only available in ALD1 or ALD2
Please refer to Chapter 11.7
This mode only available in ALD3