Operating Instructions

SINAMICS G120 CU230P-2 Control Units List Manual, 04/2018, A5E33838102
699
3 Function diagrams
3.13 Technology functions
Fig. 3-130 7035 – Bypass
- 7035 -
Function diagram
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fp_7035_97_01.vsd
Technology functions
G120 CU230P-2
13.03.2018 V4.7_10
Bypass
(0)
Bypass command
p1266
Bypass STW / ZSW
r1261
r1261
(1261.0)
Bypass FS
p1269
Bypass STW / ZSW
r1261
r1261
(1261.0)
Bypass 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
Signal for contactor
K1:
Inverter operation
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
Switch t_monit
0 ... 5000 [ms]
p1274 (1000)
Monitoring time for K2:
Line operation
p1274[0]
Example: Activation via a control signal (p1267.0 = 1)
.0
.1
[0]
[1]
p1274[1]
t
p0346
t
t
t
t
t
t
t
p1264
p1263
p1262 +
p1274[1]
p1262 +
p1274[0]
p1274[0]p1274[0]
p1274[1]p1274[1]
<1>
Line
Bypass
configuration
Bypass STW / ZSW
r1261
r1261
. . .
SINAMICS G120 CU230P-2
+24 V OUT
K1
DO 2
DO 0
DI 4
DI 3
<2>
<1>
<3>
Flying restart must be activated for the bypass function (p1200 = 1 or 4).
The following options are possible for bypass function:
Bypass function when activating via a control signal (p1267.0 = 1).
Bypass function depending on the speed (p1267.1 = 1).
Contactors K1 and K2 must be mutually interlocked so that they cannot close at the same time.
K2
K2
K1
Bypass t_dead
p1262 [D]
[0]
Bypass t_dead
p1262 [D]
[1]
+
+
+
+
+
Bypass config
p1260
Switch t_monit
p1274
(0)
Bypass command
p1266
0
1
Bypass n_thresh
p1265
n_set
Chngov_src config
p1267
.0
.1
1
0
1
0
0
1
Chngov_src config
p1267
0
1
T1 T2
T1 T2
Bypass t_del
p1264
Switch t_monit
p1274
+
Debypass t_del
p1263
Debypass t_del
p1263
Switch t_monit
p1274
Bypass t_del
p1264
<3>
K1
K2
<2>
<2>