21-09 PID Autotuning
Option: Function:
This parameter enables selection of
the extended PID controller to be
auto-tuned and starts the PID auto-
tuning for that controller. Once the
auto-tuning has successfully
completed and the settings have
been accepted or rejected by
pressing [OK] or [Cancel] at the end
of tuning, this parameter is reset to
[0] Disabled.
[0] * Disabled
[1] Enabled Ext
CL1 PID
[2] Enabled Ext
CL 2 PID
[3] Enabled Ext
CL 3 PID
3.19.2 21-1* Closed Loop 1 Ref/Feedback
FC
MCB101
130BA355.11
External
Reference
Set
point
Feedback
Output
Signal
Ext.
Closed
Loop
controller
1
Output
Signal
P 21-13
P 21-14
P 21-15
P 6-60
P 6-50
Illustration 3.55 Closed-loop 1 Ref/Feedback
21-10 Ext. 1 Ref./Feedback Unit
Option: Function:
Select the unit for the reference
and feedback.
[0] None
[1] * %
[5] PPM
[10] 1/min
[11] RPM
[12] Pulse/s
[20] l/s
[21] l/min
[22] l/h
21-10 Ext. 1 Ref./Feedback Unit
Option: Function:
[23] m³/s
[24] m³/min
[25] m³/h
[30] kg/s
[31] kg/min
[32] kg/h
[33] t/min
[34] t/h
[40] m/s
[41] m/min
[45] m
[60] °C
[70] mbar
[71] bar
[72] Pa
[73] kPa
[74] m WG
[75] mm Hg
[80] kW
[120] GPM
[121] gal/s
[122] gal/min
[123] gal/h
[124] CFM
[125] ft³/s
[126] ft³/min
[127] ft³/h
[130] lb/s
[131] lb/min
[132] lb/h
[140] ft/s
[141] ft/min
[145] ft
[160] °F
[170] psi
[171] lb/in²
[172] in WG
[173] ft WG
[174] in Hg
[180] HP
21-11 Ext. 1 Minimum Reference
Range: Function:
0
ExtPID1Uni
t*
[ -999999.999
- par. 21-12
ExtPID1Unit]
Select the minimum reference for
the closed-loop 1 controller.
Parameter Descriptions
VLT
®
HVAC Drive FC 102
190 Danfoss A/S © 10/2019 All rights reserved. M0010001
33
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