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