Siemens CU240B-2 - Control and Status Word 3

Advanced commissioning
6.2 Inverter control
Converter with the CU240B-2 and CU240E-2 Control Units
198 Operating Instructions, 01/2016, FW V4.7 SP6, A5E34259001B AC
6.2.10.2
Control and status word 3
Control word 3 (STW3)
Bit
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 = enable DC braking
--
p1230[0] = r2093.9
10
Not used
11 1 = Enable droop Enable or inhibit speed control-
ler droop.
p1492[0] = r2093.11
12 1 = torque control active
0 = speed control active
Changes over the control mode
for vector control.
p1501[0] = r2093.12
13 1 = no external fault
0 = external fault is active (F07860)
-- p2106[0] = r2093.13
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.