Operating instructions

Functions
5.11 Operation in fieldbus systems
CU240S and CU240E Control Units, FW 3.2
186 Operating Instructions, 03/2009, A5E02440075B AA
Bit Value Significance Comments
1 Clockwise rotation --
14
0 Counter-clockwise rotation --
1 -- -- 15
0 Inverter overload E.g. current or temperature
Status word 2 (ZSW2)
Status word 2 has the following default assignment. This can be changed by using BICO.
Table 5- 87 Default setting for status word 2 (not defined for VIK/NAMUR)
Bit Value Significance Description
0 1 DC brake active DC brake active
1 1 n_act < P2167 Inverter frequency < shutdown limit
2 1 n_act ≧ P1080 Actual frequency > minimum frequency
3 1 i_act ≧ P2170 Current ≥ limit value
4 1 n_act > P2155 Actual frequency > reference frequency
5 1 n_act ≦ P2155 Actual frequency < reference frequency
6 1 Speed setpoint reached Actual frequency ≥ setpoint
7 1 DC link voltage < P2172 Voltage < threshold value
8 1 DC link voltage ≧ P2172 Voltage > threshold value
9 1 Speed ramp ended --
10 1 Technology controller output ≦ P2292 PI frequency < threshold value
11 1 Technology controller output > P2291 PI saturation
12 1 Vdc_max controller --
13 1 Kinetic buffering and flexible response --
14 1 Not used --
15 1 Not used --