Instruction manual

1 6 System Modes
The controller performs a closed loop control mode under its normal control mode
operation. The controller will maintain its normal control mode when you are
operating the user menu, setup menu or display mode, reloading default values or
applying an event input signal. Under certain conditions the normal control mode
will transfer to an . The exception modes include :
and All these
modes perform in an open loop control except the auto-tuning mode which
performs ON-OFF plus PID close loop control. The mode transfer is governed by the
Exception Mode Sleep Mode,
Manual Mode, Failure Mode, Calibration Mode Auto-tuning Mode.
The controller performs a closed loop control mode under its normal control mode
operation. The controller will maintain its normal control mode when you are
operating the user menu, setup menu or display mode, reloading default values or
applying an event input signal. Under certain conditions the normal control mode
will transfer to an . The exception modes include :
and All these
modes perform in an open loop control except the auto-tuning mode which
performs ON-OFF plus PID close loop control. The mode transfer is governed by the
Exception Mode Sleep Mode,
Manual Mode, Failure Mode, Calibration Mode Auto-tuning Mode.
Figure 1.6
System Mode Priority
Figure 1.6
System Mode Priority
? Mode
Sleep Mode?
Failure Mode?
No
No
No
Yes
Yes
Yes
Manual Mode?
Request
Normal
Control
Mode
Request
Normal
Control
Mode
Request
Auto-tuning
Mode
Request
Auto-tuning
Mode
Request
Calibration
Mode
Request
Calibration
Mode
Priority
High
Low
The calibration mode, auto-tuning mode and normal control mode are in the
System Modes
Sleep Mode :
Manual Mode :
Failure Mode :
Calibration Mode :
Auto-tuning Mode :
Normal Control Mode :
See Section 4-11.
See Section 3-23.
See Section 3-17.
See Chapter 6.
See Section 3-20.
See Section 3-24, 3-26, 4-1
System Modes
Sleep Mode :
Manual Mode :
Failure Mode :
Calibration Mode :
Auto-tuning Mode :
Normal Control Mode :
See Section 4-11.
See Section 3-23.
See Section 3-17.
See Chapter 6.
See Section 3-20.
See Section 3-24, 3-26, 4-1
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