Hz
t
PID output
Error value
D-part
I-
pa
rt
I-p
art
D-part
P-part=5 Hz
Error=10%
D-part
P-part= -5 Hz
Error= -10%
Fig. 28: PID output curve with the values of Example 2
EXAMPLE 3
Given values:
P2.1.12, P = 100%
P2.1.13, I-time = 0.00 s
P2.1.14, D-time = 1.00 sMin freq. = 0 Hz
Error value (setpoint – process value) = ±10%/sMax freq. = 50 Hz
As the error value increases, also the PID output increases according to the set values (D-
time = 1.00s).
Hz
t
PID output
Error value
D-part=10%=5.00 Hz
-10
%/s
D-part
D-part
D-part= -10%= -5.00 Hz
P-part=100% *PID error = 5.00 Hz/s
1.00 s
10%
Fig. 29: PID output with the values of Example 3
133 PRESET SPEED 8 4 (2.1.22)
134 PRESET SPEED 9 4 (2.1.23)
PARAMETER DESCRIPTIONS
VACON · 245
24-HOUR S358 (0)201 212 575 · EMAIL: [email protected]
8
Содержание NX series
Страница 1: ...vacon nx ac drives all in one application manual ...
Страница 2: ......
Страница 5: ...VACON 5 24 HOUR SUPPORT 358 0 201 212 575 EMAIL VACON VACON COM ...
Страница 6: ...VACON 6 TEL 358 0 201 2121 FAX 358 0 201 212 205 ...
Страница 391: ......