Siemens SINAMICS G120 - Control and Status Word 3

Configuring the fieldbus
7.3 PROFIdrive profile for PROFIBUS and PROFINET
Inverter with CU230P-2 Control Units
Operating Instructions, 11/2013, FW V4.6.6, A5E02430659B AG
121
7.3.1.2
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
Explanation
Signal interconnection
in the inverter
1)
Telegram 350
0
1
Fixed setpoint, bit 0
Selects up to 16 different fixed setpoints.
p1020[0] = r2093.0
1
1
Fixed setpoint, bit 1
p1021[0] = r2093.1
2
1
Fixed setpoint, bit 2
p1022[0] = r2093.2
3
1
Fixed setpoint, bit 3
p1023[0] = r2093.3
4
1
DDS selection, bit 0
Changes over between settings for
different motors (drive data sets).
p0820 = r2093.4
5
1
DDS selection, bit 1
p0821 = r2093.5
6
–
Not used
7
–
Not used
8
1
Technology controller enable
--
p2200[0] = r2093.8
9
1
DC braking enable
--
p1230[0] = r2093.9
10
–
Not used
11
1
1 = Enable droop
Enable or inhibit speed controller droop.
p1492[0] = r2093.11
12
1
Torque control active
Changes over the control mode for vector
control.
p1501[0] = r2093.12
0
Closed-loop speed control active
13
1
No external fault
-- p2106[0] = r2093.13
0
External fault is active (F07860)
14
–
Not used
15 1 CDS bit 1 Changes over between settings for
different operation interfaces (command
data sets).
p0811[0] = r2093.15
1)
If you switch from telegram 350 to a different one, then the inverter sets all interconnections p1020, … to "0".
Exception: p2106 = 1.