Siemens SINAMICS G120P, Operating Instructions Manual

Page: 191 / 496

Operation
6.5 PROFIdrive profile for PROFIBUS and PROFINET
Inverter cabinet units
Operating Instructions, 12/2014, A5E32923362A
191
6.5.1.2 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. See also function diagram 2446.
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 differ-
ent motors (drive data sets).
p0820 = r2093.4
5 1 DDS selection, bit 1 p0821 = r2093.5
6 – Reserved
7 – Reserved
8 1 Technology controller enable -- p2200[0] = r2093.8
9 1 DC braking enable -- p1230[0] = r2093.9
10 – Reserved
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 – Reserved
15 1 CDS bit 1 Changes over between settings for differ-
ent 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.