Setpoint channel
Function diagrams
2-443
Siemens AG 2004 All Rights Reserved
SINAMICS G List Manual, Edition 12.2004
Picture 2-61 3080 – Ramp-function generator selection, status word, tracking
t
x,y
x
y
t
x,y
x
y
- 3080 -
Function diagram
8
7
6
5
4
3
2
1
fp_S01_3080_en.vsd
DO: VECTOR
SINAMICS G
17.12.04
V02.02.00
Setpoint channel - ramp-function generator selection, status word, tracking
[2701.1]
[5020.1]
[6030.1]
[8010.5]
[3060.8]
[3070.8]
RFG selectio
n
p1115
Ramp-function
generator selection
Ramp-function generator status word
1
Ramp-function generator status word
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Bit
[3070.8]
Ramp-up active
Ramp-function generator held
Ramp-function generator s
e
t
Ramp-function generator active
Ramp-down active
Ramp-function generator tracking active
Maximum limiting active
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
r1199
RFG ZSW
Ramp-function generator tracking
0
≥
1
r1170
n_ctrl n_set sum
1
0
p0115[3] (250.00 µs)
0
1
0
0
1
0
Enable speed setpoint (from the STW sequence control)
r0898.6
n_ctrl n_set 1
(0)
p1155[C]
<2>
n_ctrl n_set 2
(0)
p1160[C]
+
+
[2501.7]
[2501.7]
Interpolator
x
y
0
1
+
+
<1>
For p1145 > 0, the ramp-function generator tracking is activated when the torque limiting responds. This
means that the speed controller output only exceeds the torque limit by a deviation that can be set using
p1145.
<2>
For OFF1/OFF3, the ramp-function generator ramp is effective:
The ramp-function generator is set to r1117 and stops the drive according to the ramp-down time p1121 or
p1136. Depending on p1115 either the basic ramp-function generator [3060] or the expanded ramp-function
generator [3070] is effective.
If the setpoint channel is not activated (p0108.8 = 0) for OFF1/OFF3, the down ramp of the basic ramp-
function generator is effective (refer to n_set_4 at [3060.8]).
Interpolator
x
y
0
1
[3080.8]
[3050.8]
p1189.0
p1189.1
n_set_4
from the basic ramp-function generator
n_set_5
from the expanded ramp-function generator
r1150
RFG n_set at the output
Torque limit reached
r1407.7
[2522.7]
Ramp flattening-off
[3060.3]
[3070.3]
Ramp-function generator tracking active
r1199.5
RFG tracking intensity
0.0...50.0
p1145[D] (1.3)
<3>
<2>
<3>
Behaviro of the response ramp of the torque limiting:
p1145 = 0.0:
N
o
r
a
m
p
-f
u
n
c
tio
n
generator tracking. T
he ramp-function generator ramp distances itself fro
m
t
h
e
speed actual v
a
lu
e
.
p1145 = 1.0: The ramp-function generator ramp remains as close as possible to the speed actual valu
e
.
p1145 > 1.0: The ramp-function generator ramp is steeper than for
p1145 = 1.0 (higher "speed following error").
<1>
<101> Pre-assignment of the sampling times in p0115, refer to p0112.
p0115[3] (Drive Object)
<101>
Refer to [1020.7]
r1199.2
[8010.5]
r1169
n_ctrl n_set 1/2
T1
T1
Enable ramp-function generator (from the STW sequence control)
r0898.4
