Control And Status Word 3 - Siemens SINAMICS G120 Operating Instructions Manual

7.4.1.2

Control and status word 3

The control and status words fulfill the specifications of PROFIdrive profile version 4.1 for the
"closed-loop speed controlled" mode.
Control word 3 (STW3)
Control word 3 has the following default assignment. You can change the signal
interconnection.
Bit Value Significance
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 Closed-loop speed control active
13 1 No external fault
0 External fault is active (F07860)
14 – Not used
15 1 CDS bit 1
If you switch from telegram 350 to a different one, then the inverter sets all interconnections p1020, ... to "0". Exception:
1)
p2106 = 1.
Converter with the CU250S-2 Control Unit (vector)
Operating Instructions, 06/2013, FW V4.6, A5E31759476B AB
7.4 PROFIdrive profile for PROFIBUS and PROFINET
Explanation
Selects up to 16 different fixed setpoints.
Changes over between settings for
different motors (drive data sets).
--
--
Enable or inhibit speed controller droop.
Changes over the control mode for vector
control.
--
Changes over between settings for
different operation interfaces (command
data sets).
Configuring the fieldbus
Signal interconnection
in the inverter
1)
p1020[0] = r2093.0
p1021[0] = r2093.1
p1022[0] = r2093.2
p1023[0] = r2093.3
p0820 = r2093.4
p0821 = r2093.5
p2200[0] = r2093.8
p1230[0] = r2093.9
p1492[0] = r2093.11
p1501[0] = r2093.12
p2106[0] = r2093.13
p0811[0] = r2093.15
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