Vacon 100 Flow
page
30
6.2.2.1 Application example: PID control (using PID control Wizard 6.2.2)
Parameter group
Description
Setting
P1.2
Application
PID control
Motor settings
Motor control
P3.1.2.3
Internal switching frequency
Modification if excessive motor noise
P3.1.2.4
Identification
Ad stand still (start within 30 sec)
Motor limits
P3.1.3.1
current limit
Maximum permissible motor current ± 1.4x In
Start/Stop Settings
P3.2.4
Start function
Ramping (pump)/Running start (fan)
P3.2.5
Stop function
Freewheel (fan)/Ramping (pump)
P3.2.6
Logic I/O A
Forward-reverse
If reset error, autostart
Forward-reverse (pulse) If reset error, break start
contact
References
Frequency reference
P3.3.1.1
Minimum frequency reference
... Hz*
P3.3.1.5
I/O reference A
PID
Flushing
P3.3.6.2
Flushing frequency
... Hz if DI 6 is made (No start contact required)
I/O Configuration
Digital inputs
P3.5.1.1
Control signal 1 A (start clockwise)
DigIN Slot A.1
P3.5.1.4
Control signal 1 A
DigIN Slot 0.1
P3.5.1.7
Force to I/O control
DigIN Slot 0.1
P3.5.1.8
Force to I/O B reference
DigIN Slot 0.1
P3.5.1.11
External error when closed
DigIN Slot 0.1
P3.5.1.12
External error when open
DigIN Slot A.2
P3.5.1.13
Close error reset
DigIN Slot A.3
P3.5.1.31
PID Select SP 2
DigIN Slot A.4
P3.5.1.36
Flushing reference asset
DigIN Slot A.6
Analogue input 2
P3.5.2.2.3
AI 2 signal range
2 to 10 V/4 to 20 mA
Protections
Motor thermal protection
P3.9.2.1
Calculated motor thermal protection
no action
AI level low
P3.9.8.2
Analogue input low
error
PID Regulator 1
Basic settings
P3.13.1.1
PID gain
200% (> the control speeds up)
P3.13.1.2
PID control I time
3 to 10 (> the control slows down)
P3.13.1.3
PID contr. D time
0 to 1 (1 > regulation lags behind)
P3.13.1.4
Selection of process unit
bar, m³/h, %, m/s etc.
P3.13.1.5
Min. process unit
minimum value sensor (reading sensor)
P3.13.1.6
Max. process unit
maximum value sensor (reading sensor)
P3.13.1.7
Decimal process unit
Readout behind decimal point (monitoring)
Reference points
P3.13.2.1
Control panel reference point 1
Setting operating point 1 (bar)
P3.13.2.2
Control panel reference point 2
Setting operating point 2 (bar)
P3.13.2.6
Reference point source 1 selection
Control panel reference point 1
P3.13.2.10
Reference point source 2 selection
Control panel reference point 2
Feedback
P3.13.3.3
Feedback 1 source selection
AI 2
Sleep frequency
P3.13.5.1
Sleep frequency limit SP 1
... .Hz goes to sleep*
P3.13.5.2
Reference 1 sleep delay
….sec.
P3.13.5.3
Reference 1 wake-up level
Set start value SP 1 (bar)*
P3.13.5.7
Sleep frequency limit SP 2
... .Hz goes to sleep*
P3.13.5.8
Reference 2 sleep delay
….sec.
P3.13.5.9
Reference 2 wake-up level
Set start value SP 2 (bar)*
Feedback monitoring
P3.13.6.1
Enable feedback monitoring
Enabled/Disabled
P3.13.6.2
Upper limit value
Enter maximum pressure (bar)
P3.13.6.3
Lower limit
Enter minimum pressure (bar)
P3.13.6.4
Delay time
…. sec.
*) For the correct adjustment of the minimum frequency and sleep frequency, see Section 7.2
All these parameters are adjusted via the Wizard
see reverse
