Siemens SINAMICS S Manuel page 1223

Line frequency monitoring
Line supply frequency
INF f_line
p0211 (50 Hz)
[8950.4] r0066
Change from "ready" to
"operation"
[8932.4]
Fault for more than 20
attempts
<1> For p3400.0 = 1 the following applies [8864].
1 2
DO: A_INF
Active infeed – mess./sign. and monit. functions, line supply freq. and Vdc monit. (p3400.0 = 0)
(110 %)
p0284
A06350
"Measured line supply frequency to high"
(90 %)
p0285
A06351
"Measured line supply frequency too low"
1
Repeat the line supply
synchronization when
switching-in the pulses
III
> 20
F06500
"Line supply synchronization not possible within the monitoring time"
3 4
DC link monitoring
Vdc setpoint
r0088
[8940.4]
p0280
Vdc overvoltage
hardware-related shutdown threshold
Vdc_act
r0070
[8950.1]
Vdc undervoltage
hardware-related shutdown threshold
Precharging monitoring for the DC link
p0857
T 0
Energize (close) line contactor
[8934.5]
Pre-charging completed
5 6
fp_8964_01_eng.vsd
13.05.05 V02.04.00
p0115[3] (2000.00 µs)
<1>
A06800
"Maximum steady-stage DC link voltage reached"
F30002
"DC link overvoltage"
F30003
"DC link undervoltage"
F30027
"Precharging DC link time monitoring"
7 8
Function diagram
- 8964 -
SINAMICS S