Taie FU72 - Alarm Mode

12.1 Alarm Mode
：SV ： Alarm set value X：1 / 2 / 3 (There are up to 3 sets of alarms)
ALDX Alarm mode Description
0 No alarm function Not drive any alarm relays and the corresponding LED lamp.
HYSX ON
Deviation high
OFF
1
SV ALX
(With hold action)
PV ≥ (SV+ALX) → Alarm ON
Formula
PV ≤ (SV+ALX-HYSA) → Alarm OFF
ON HYSX
Deviation low
OFF
2
A
LX SV
(With hold action)
*
ALX must to be set to a negative value
Formula
PV ≤ (SV+ALX) → Alarm ON
PV ≥ (SV+ALX+HYSA) → Alarm OFF
OFF
ON HYSX HYSX ON
3
Deviation high/low
ALX SV ALX
(With hold action)
PV ≥ (SV+ALX) → Alarm ON
Formula
PV ≤ (SV-ALX) → Alarm ON
PV ≥ (SV-ALX+HYSA) → Alarm OFF
PV ≤ (SV+ALX-HYSA) → Alarm OFF
ON
OFF OFF
Band
ALX SV ALX
4
(With hold action)
PV ≤ (SV+ALX) → Alarm ON
Formula
PV > (SV-ALX) → Alarm ON
PV ≥ (SV+ALX) → Alarm OFF
PV < (SV-ALX) → Alarm OFF
HYSX ON
Process high
5
OFF
(With hold action)
ALX
Formula
PV ≥ ALX→ Alarm ON
PV ≤ (ALX-HYSA) → Alarm OFF
ON HYSX
Process low
6
A
LX
OFF
(With hold action)
Formula
PV ≤ ALX→ Alarm ON
PV ≥ (ALX+HYSA) → Alarm OFF
7 Segment execute alarm
When SEG=ALX alarm ON
*This mode only available in program type controller
8 System error The Alert action, when PV displays error message
A
ctivated conditions：
1. Heater current is less the HBAC set value
HBA
2. OUT1 manipulated value exceed 90%
3. Conditions of 1 & 2 above are established and continue to
(Heater Break Alarm)
exceed 20 seconds.
9 * Please refer to Chapter 11.4
*This mode only available in ALD1 or ALD2
Single RAMP
Please refer to Chapter 11.7
This mode only available in ALD3
FY/FU operation manual 44