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Appendix
A.1 Application examples
Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN
Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD
329
Table A- 3
Assignment of the control bits in the inverter to the SIMATIC flags and inputs
HEX BIN Bit in
STW1
Significance
Bit in
MW1
Bit in
MB1
Bit in
MB2
Inputs
0
0
ON/OFF1
8
0
E0.0
1
1
ON/OFF2
9
1
1
2
ON/OFF3
10
2
E
1
3
Operation enable
11
3
1
4
Ramp-function generator enable
12
4
1
5
Start ramp-function generator
13
5
1
6
Setpoint enable
14
6
7
0
7
Acknowledge fault
15
7
E0.6
0
8
Jog 1
0
0
0
9
Jog 2
1
1
1
10
PLC control
2
2
4
0
11
Setpoint inversion
3
3
0
12
Irrelevant
4
4
0
13
Motorized potentiometer ↑
5
5
0
14
Motorized potentiometer ↓
6
6
0
0
15
Data set changeover
7
7
Содержание SINAMICS G120 CU230P-2
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