Appendix A: Application Examples A.3 Furnace Pressure Control with 3-State Pulse Output
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2Alarms → Absolute Alarm → Absolute Alarm 1 → LoLimit = 0.
3Alarms → Absolute Alarm → Absolute Alarm 1 → HiLimit = 50.
Autotuner
The Autotuner is to be used to set the PID parameters so it must be enabled:
1 Control → Parameters → Tuner → Mode = On.
Output Functions
Configure the Three State Pulse output function to provide motor running time
120 s, the minimum pulse length 1% and the dead band for the control error 2%:
1 Output Functions → (PID1, ECA600 only) → Type = ThreeStatePulse.
Absolute Alarm 1
Mode
On
Cancel
OK
Absolute Alarm 1
LoLimit
0%
Cancel
OK
Absolute Alarm 1
HiLimit
50%
Cancel
OK
Tuner
Mode
On
Cancel
OK
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