
Configuring the fieldbus
6.1 Communication via PROFIBUS
Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN
106
Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD
Status word 3 (ZSW3)
Status word 3 has the following standard assignment. You can change the assignment with
BICO technology.
Table 6- 9
Status word 3 and interconnection with parameters in the converter
Bit Value Meaning
Description
P No.
0 1
DC braking active
--
1 1
|n_act| > p1226
Absolute current speed > stationary state detection
2 1
|n_act| > p1080
Absolute actual speed > minimum speed
3 1
i_act ≧ p2170
Actual current ≥ current threshold value
4 1
|n_act| > p2155
Absolute actual speed > speed threshold value 2
5 1
|n_act| ≦ p2155
Absolute actual speed < speed threshold value 2
6 1
|n_act| ≧ r1119
Speed setpoint reached
7 1
DC link voltage ≦ p2172
Actual DC link voltage ≦ threshold value
8 1
DC link voltage > p2172
Actual DC link voltage > threshold value
9 1
Ramping completed
Ramp-function generator is not active.
10 1
Technology controller output at lower
limit
Technology controller output ≦ p2292
11 1
Technology controller output at upper
limit
Technology controller output > p2291
p2051[3] =
r0053
12
Not used
13
Not used
14
Not used
15
Not used
Содержание SINAMICS G120 CU230P-2
Страница 2: ......