User Manual

Technology functions
Function diagrams
2-627
© Siemens AG 2011 All Rights Reserved SINAMICS G120 Control Units CU230P-2 Parameter Manual (LH9), 06/2011
Fig. 2-116 7975 – Bypass
- 7975 -
Function diagram
87654321
FP_7975_97_01.vsd
Technology functions
G120 CU230P-2
13.12.2010 V4.4
Bypass
SINAMICS
G120
CU230P-2
Interlock against
simultaneous closing
Bypass
contactors
Line
Relay outputs (digital outputs (DO))
Bypass config
0 ... 3
p1260 (0)
Chngov_src config
- ... -
p1267 (0000 bin)
Bypass
configuration
Bypass STW / ZSW
r1261
r1261
.
.
.
(0)
Bypass command
p1266
Bypass STW / ZSW
r1261
r1261
(1261.0)
Bypass switch FS
p1269
Bypass STW / ZSW
r1261
r1261
(1261.0)
Bypass switch FS
p1269
Switch t_monit
0 ... 5000 [ms]
p1274 (1000)
Inverter
operation
Switchover
phase
Line
operation
Switchover
phase
Inverter
operation
Power up
Flying
restart
Rated motor speed
Actual speed from inverter
.0
K1 K2
Signal for contactor K1:
Inverter operation
.1
Signal for contactor K2:
Line operation
Feedback signal from K1:
Inverter operation
Feedback signal from K2:
Line operation
Monitoring time for K1:
Inverter operation
[1]
[0]
.1
Switch t_monit
0 ... 5000 [ms]
p1274 (1000)
Monitoring time for K2:
Line operation
p1274[1] (1000)
p1274[0] (1000)
Example: Activation via a control signal (p1267.0 = 1)
Switch t_monit
0 ... 5000 [ms]
p1274 (1000)
.
.
.