Siemens SIMOVERT MASTERDRIVES Manual page 962

U953.41 = ___(0)
Droop block see [360]
U953.44 = ___(0)
DT1 block see [360]
n-PRE with Pos n-Reg
with TorqPRE [340.8]
U953.43 = ___(0)
Smooth n(set)
0.0 ... 100.0 ms -1
[min ]
P221.F (0.0)
n(set,smooth)
r229
Src n(set)
P220.B (75) n(set, smooth)
KK
[in % of P353]
<2>
Smooth n(act)
-1
0.0 ... 100.0 ms
[min ]
P223 (0.0)
n(act,smooth)
r230
Q. n(act)
P222 (91) n(act, smooth)
KK
[in % of P353]
<2>
For normalization of speed see [20]
In U953.41 ... 45 only the values
0 or 20 can be entered.
1 2
Speed controller with reference model
Src n-Reg.Adapt.
P232.B (0)
K
Src1 n(set/act)
P224.B (0)
KK
Src2 n(set/act)
+ +
P225.B (150)
KK0150 KK
+ +
Tdead RefModel Smooth I-comp.
0.0 ... 4.9 SamplT. 0.5 ... 500.0 ms
P259.F (2.0) P239.F (2.0)
+
Src 3 n(set/act)
P226.B (151)
KK0151 KK
Src 4 n(set/act)
+
P227.B (0)
<2>
KK
+
NOTE:
If interconnection is effected against the
sequence, there is a dead time of T0 in
the speed control loop
(e. g. KK0153 -> P252, KK0158 -> P260)
3
Kp Adaptation
x
y
n-Reg. Gain2
0.0 ... 1000.0
P236.F (10.0)
n-Reg. Gain1
<1>
0.0 ... 1000.0
P235.F (10.0)
P233.F (0.0)
0.0 ... 200.0 %
n-Reg. Adapt.1
Limitr FWDSpeed
n(max, FWDSpeed)
>
B0203
[320.7]
y
<3>
1
x
0
n(max, REVSpeed)
[320.7]
P238 Bit3
n(max, FWDSpeed)
[320.7]
+ y
<3>
1
x
+
0
n(max, REVSpeed)
[320.7]
Limitr.REVSpeed
Outp RefM.n-Reg
>
B0204
KK0156
<3>
Reference speed P353 must be chosen so
that the total of setpoints P224 and P225 is
always < 195 %.
Limitation is active from torque limitation,
Limit I-component and total output to current
4 5
V2.4
n-Reg.Kp(act)
r237
y
<1>
The P gain of the speed controller is set at P235
if gain adaptation is not used.
x
<4>
Speed control characteristic:
P234.F (100.0)
for P238 Bit 0 = 0 (PI controller FD360);
0.0 ... 200.0 %
for P238 Bit 0 = 1 (Reference model FD360a)
n-Reg. Adapt.2
Master/slave drive of control word 2 [190.5]
Track I-component on slave drive so that
Torq(set,n-Reg.) = Torq(set,lim).
Kp
+
–
n-Reg. Tn
0 ... 4000 ms
<4>
P240.F (50)
Kp
–
SrcSetV n-Reg.I
P241.B (0)
K
Src.set n-Reg.I
P242.B (0)
B
Src n-Reg.I STOP
P243.B (0)
B
[370.8]
torque limit; Stop I-component,
if total output at limit
[190.5]
n-Reg release from control word 2
6 7
Function diagram
fp_mc_360a_e.vsd
MASTERDRIVES MC
05.04.06
U953.45 = ___(0)
n-Reg (P-comp.)
0
0 %
K0154
1
+
Torq(set,n-Reg.)
K0153
+
Torq(set,
n-Reg.)
r255
Tn
n-Reg (I-comp.)
K0155
8
- 360a -