Siemens SINAMICS G120 CU240B-2 Operating Instructions Manual page 115

Control word 3 (STW3)
Control word 3 has the following default assignment. You can change the assignment with
BICO technology.
Table 6- 10 Control word 3 and interconnection with parameters in the inverter
Bit Valu Significance
e
Telegram 350
0 1 Fixed setpoint, bit 0
1 1 Fixed setpoint, bit 1
2 1 Fixed setpoint, bit 2
3 1 Fixed setpoint, bit 3
4 1 DDS selection, bit 0
5 1 DDS selection, bit 1
6 – Not used
7 – Not used
8 1 Technology controller
enable
9 1 DC braking enable
10 – Not used
11 1 1 = Enable droop
12 1 Torque control active
0 Speed control active
14 – Not used
15 1 CDS bit 1
If you change over from telegram 350 to another one, then the assignment of the telegram 350 is kept.
1)
Inverter with CU240B-2 and CU240E-2 Control Units
Operating Instructions, 07/2010, FW 4.3.2, A5E02299792B AA
Remarks
All other
telegrams
Not used Selects up to 16 different fixed setpoints.
Not used
Not used
Not used
Changes over between settings for different motors
1)
(drive data sets).
1)
--
1)
--
1)
Enable or inhibit speed controller droop.
1)
Changes over the control mode for vector control.
1)
Changes over between settings for different
1)
operation interfaces (command data sets).
Connection to a fieldbus
6.3 Communication via PROFIBUS
P No.
p1020[0] =
r2093.0
p1021[0] =
r2093.1
p1022[0] =
r2093.2
p1023[0] =
r2093.3
p0810 =
r2093.4
p0811 =
r2093.5
p2200[0] =
r2093.8
p1230[0] =
r2093.9
p1492[0] =
r2093.11
p1501[0] =
r2093.12
p0811[0] =
r2093.15
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