Siemens SINAMICS Series Operating Instructions Manual page 610

Descriptions of functions
10.28 Connecting units in parallel and in series
Table 10- 71 6-pulse parallel connection n+m operation
Parameter
p51799 Operating principle
p51800 Position in the topology
p51801 Number of send data
p51802 Minimum number of nodes n
p51812 Total number of nodes
p51803 n+m mode
p51804[..] Transmit data
p51805 Bus terminator
p51806 Station address
p51807 Telegram failure time
p50082 Field operating mode
p50076[..] Reduction in rated unit DC
current
p50078[..] Rated value for supply
voltage
p50100 Rated motor current
p50110 Armature resistance Ra
p50111 Armature inductance La
p50114 Motor thermal time
constant
p50140 Motor I t monitoring,
2
response when starting
p50115 to Field characteristic
p50139
p51591 La reduction factor
p50357 Threshold for interrupted
tachometer
= 1 at the two outermost units (= at the physical ends of the bus line)
1)
= 0 on all of the other units
The optimization run for current controller and precontrol (p50051 = 23 or 25) sets the correct values for these
2)
parameters.
608
Master
0
11 (Master)
Any
n+m
1 (only armature)
2 (armature + field)
Any
0 or 1
1)
Unique address
0.1 s
≠ 0
-
-
Rated motor
current/number of
SINAMICS DCM
Actual armature
2)
resistance × number of
SINAMICS DCM
Actual armature
2)
inductance × number of
SINAMICS DCM
Motor thermal time
constant in s
Application-specific
-
-
2)
Application-specific
Substitute master
The same as at the
master
13 (Substitute master)
Any
The same as at the
master
The same as at the
master
The same as at the
master
Any
0 or 1
1)
Unique address
0.1 s
0 (if only armature)
≠ 0 (if armature + field)
The same as at the
master
The same as at the
master
The same as at the
master
The same as at the
master
The same as at the
master
The same as at the
master
The same as at the
master
The same as at the
master
(only if n+ m operation for
armature + field)
The same as at the
master
The same as at the
master
Operating Instructions, 12/2018, A5E34763375A
Slave
The same as at the
master
12 (Slave)
Any
The same as at the
master
The same as at the
master
0
Any
0 or 1
1)
Unique address
0.1 s
0 (no field)
The same as at the
master
The same as at the
master
The same as at the
master
The same as at the
master
The same as at the
master
The same as at the
master
The same as at the
master
The same as at the
master
The same as at the
master
100% (tachometer
interruption monitoring
not active)
SINAMICS DCM DC Converter