Siemens CU240B-2 - Page 305

Advanced commissioning
6.7 Application-specific functions
Converter with the CU240B-2 and CU240E-2 Control Units
Operating Instructions, 01/2016, FW V4.7 SP6, A5E34259001B AC
305
Parameter
Description
r0056.15
Status word closed-loop control
0 signal
V
DC min
controller is not active
1 signal
V
DC min
controller is active (kinetic buffering)
p0210
Device supply voltage
(factory setting: 400 V)
p1240
V
DC
controller configuration (factory setting: 1)
0
Inhibit V
DC
controller
1
Enable V
DC max
controller
2
Enable V
DC min
controller (kinetic buffering)
3
Enable V
DC min
controller and V
DC max
controller
p1245
V
DC min
controller activation level (kinetic buffering) (factory setting: 76 %)
r1246
V
DC min
controller activation level
[V]
r1246 = p1245 × √2 × p0210
p1247
V
DC min
controller dynamic factor (factory setting: 300 %)
p1255
V
DC min
controller time threshold
(factory setting: 0 s)
Maximum duration of the kinetic buffering If kinetic buffering lasts longer than that
specified in the parameter value, the inverter outputs fault F7406.
A value of 0 deactivates the monitoring.
p1257
V
DC min
controller speed threshold
(factory setting: 50 rpm)
When fallen below, the inverter outputs fault F7405.