Samsung SINAMICS G130 Mode D'emploi page 1035

Switch-on delay
pxxxx
x
T 0
x y
The digital signal x must have the value "1" without any interruption
during the time T before output y changes to "1".
T T T T
x
y
Switch-off delay
pxxxx
x
0 T
x y
The digital signal x must have the value "0" without interruption during
the time T before output y changes to "0".
T T T T
x
y
Delay (switch-on and switch-off)
pxxxx pxxxx
x
T T
x 1 2 y
pxxxx pxxxx
The digital signal x must have the value "1" without interruption during
time T or must have the value "0" during time T before output y
1 2
changes its signal state.
T T T T
1 1 2 2
x
y
1 2
DO: All objects
Explanations for the function diagrams - Explanation of the symbols (Part 3)
PT1 element
pxxxx
y
T 0
y
Delay element, first order.
pxxxx
pxxxx = time constant
t
2nd-order filter (bandstop/general filter)
Natural frequency, numerator
fn_z
pxxxx
y
x
0 T
pxxxx
Natural frequency, denominator
fn_n
pxxxx
Used as bandstop filter
Transfer function when used as general filter
.
y s
2 D_z
2
+
T T
1 2 2 fn_z 2 fn_z
H(s) =
.
2
s
2 D_n
+
2 fn_n 2 fn_n
Analog adder can be activated
x
1
The following applies to I = 1 signal: y = x
y
x
2
The following applies to I = 0 signal: y = x
I
3 4
Damping, numerator
D_z
pxxxx
|y|
fs
y
f_B
f
2nd Order Filter
Damping, denominator
D_n
pxxxx
- center frequency fs: fn_z = fs
fn_n = fs
- bandwidth f_B: D_z = 0
f_B
.
D_n =
2 fs
.
s + 1
.
s + 1
+ x
1 2
1
5
fp_1022_51_eng.vsd
22.11.10 V04.05.00
PT2 low pass
Natural frequency, denominator
Damping, denominator
fn_n
pxxxx
|y|
D
x
fn
f
1
Transfer function
H(s) =
2
s
+
2 fn_n
Linear
U_output max r0071
Mot U_rated p0304
f_set
U_boost total r1315
p0310
Parabolic
U_output max r0071
Mot U_rated p0304
f_set
U_boost total r1315
p0310
Flux current control (FCC)
U_output max r0071
Mot U_rated p0304
f_set
U_boost total r1315
Dependent on the load current
Mot f_rated
p0310
6 7
Function diagram
SINAMICS
D_n
pxxxx
y
.
2 D_n
.
s + 1
2 fn_n
8
- 1022 -