V&T E5 Series, Руководство пользователя

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E5 Series High Performance Universal Inverter User’s Manual
66 Chapter 6 Parameter Descriptions
In analog feedback close loop system, analog and pulse can be set as main feedback channel and
auxiliary feedback channel.
The main feedback and auxiliary feedback calculation function for process close loop feedback to the
same as the main reference and auxiliary reference calculation function for process close loop reference.
For details, refer to the description of PT.0T.
The parameter PT.05 is used to set the main feedback channel of process close loop control:
T: AIT T: AIT 3: AI3 4: DI
The parameter PT.06 is used to set the auxiliary feedback channel of process close loop control:
0: None T: AIT T: AIT 3: AI3 4: DI
The parameter PT.07 is used to set the main feedback and auxiliary feedback calculation formula of
process close loop control:
0: Main + auxiliary T: Main − auxiliary T: Auxiliary −50% 3: Main+ auxiliary−50%
4: Maximum 5: Minimum
Note:
 Under analog feedback close loop control, the analog main reference, analog auxiliary reference,
analog main feedback and analog auxiliary feedback cannot be set to the same channel.
 When the process close loop analog feedback mode is DI, the pulse will be translated into analog
(0~T0V) as feedback: Analog = pulseTmaximum pulse input frequency P5.T0×T0V.
This parameter function is similar to parameter PT.0T. The process open loop composite reference f
com
in this function definition can be treated as main reference, the frequency output of closed loop PID
regulation f
PID
can be treated as auxiliary reference, and f
FIN
can be treated as composite reference.
Figure6−T0 Open loop and closed loop composite operation reference
0: F
FIN=
f
com
+ f
PID
, add the process closed loop result f
PID
to the process open loop reference f
com
T: F
FIN=
f
com
- f
PID
, subtract the process closed loop result f
PID
from the process open loop reference f
com
Note:
In the case of analog feedback closed loop, refer to description of PT.0T to PT.04 for the reference mode
T
ref
, refer to the description of PT.05 to PT.07 for the feedback mode T
act.
0 ~ T(0)
Process open loop and close loop calculation formula for
composite control
PT.08
0 ~ 5(0)
Analog feedback close loop control main feedback and auxiliary
feedback calculation formula
PT.07
0 ~ 4(0) Analog feedback close loop control auxiliary feedback channel PT.06
T ~ 4(T)
Analog feedback close loop control main feedback channel
PT.05