02.00 Parameter list
SIEMENS AG 6RX1700-0AD76 11-31
SIMOREG DC Master Operating Instructions
PNU Description Value range
[Unit]
Steps
No. indices
Factory
setting
Type
See
Change
(Access /
Status)
P252
*
FDS
Filtering of line frequency correction (field)
The internal line synchronization for the field gating pulses derived from the
field mains infeed terminals is filtered with this time constant. In operation
on "weak" power supplies with unstable frequencies, for example, on a
diesel-driven generator (isolated operation), the filter time constant must be
set lower than for operation on "constant V/Hz" systems in order to achieve
a higher frequency correction speed.
Using the units position, the line synchronization function can be altered
additionally as follows:
When the parameter is set to an uneven number, the measured line zero
crossings for line synchronization are subjected to an extra "filter", may
improve performance in the case of difficulties with brief mains interruptions
(e.g. power supply via sliding current collectors), but may only be set for
constant V/Hz power supplies (not for weak isolated supply systems).
0 to 200
[ms]
1ms
Ind: 4
FS=200
Type: O2
P052 = 3
P051 = 40
Offline
P253
*
FDS
Control word for field precontrol
0 Field precontrol disabled, precontrol output = 180°
1 Field precontrol active, output is dependent on field current
setpoint, field line voltage, P112
0 to 1
1
Ind: 4
FS=1
Type: O2
P052 = 3
P051 = 40
Offline
P254
*
FDS
Set field current controller I component to zero
0 Set controller I component to zero (i.e. to obtain pure P
controller)
1 Controller I component is active
0 to 1
1
Ind: 4
FS=1
Type: O2
P052 = 3
P051 = 40
Offline
P255
FDS
Field current controller P gain
This parameter is set automatically during the optimization run for
precontrol and current controller (armature and field) (P051=25).
0.01 to 100.00
0.01
Ind: 4
FS=5.00
Type: O2
P052 = 3
P051 = 40
Online
P256
FDS
Field current controller reset time
This parameter is set automatically during the optimization run for
precontrol and current controller (armature and field) (P051=25).
0.001 to 10.000
[s]
0.001s
Ind: 4
FS=0,200
Type: O2
P052 = 3
P051 = 40
Online
P257
FDS
Standstill field
Value to which the field current is reduced when "Automatic field current
reduction" function is parameterized (by means of P082=xx2) or with signal-
driven selection of "Standstill excitation" function (selected in P692).
0.0 to 100.0
[%]
0.1% of P102
Ind: 4
FS=0.0
Type: O2
P052 = 3
P051 = 40
Online
P258
FDS
Delay time with automatic field current reduction
Delay after which the field current is reduced to the value set in parameter
P257 with automatic or signal-driven "Field current reduction" function when
the drive is stopped after operating state o7.0 or higher is reached.
0.0 to 60.0
[s]
0.1s
Ind: 4
FS=10.0
Type: O2
P052 = 3
P051 = 40
Online
P263
*
FDS
Input quantity for motor flux calculation
0 The input quantity for the motor flux calculation is the field
current controller actual value according to P612 (K0265), to be
used in connection with a fully compensated DC machine
1 The input quantity for the motor flux calculation is the precontrol
output for the EMF controller (K0293)
(exception: Field current controller setpoint (K0268) with active
standstill field or with disabled field pulses), to be used in
connection with an non-compensated DC machine. The EMF
controller must be active when this setting is selected (EMF
controller compensates the armature reaction).
2 The input quantity for the motor flux calculation is the field
current controller setpoint (K0268). Advantage: Quantities
derived from the setpoint are generally "steadier" than those
derived from actual values.
0 to 2
1
Ind: 4
FS=1
Type: O2
P052 = 3
P051 = 40
Offline
P264
*
FDS
Set field current controller P component to zero
0 Set controller P component to zero (i.e. to obtain pure I
controller)
1 Controller P component is active
0 to 1
1
Ind: 4
FS=1
Type: O2
P052 = 3
P051 = 40
Offline
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