Siemens SINAMICS DCM Manual page 570

Table 10- 51 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
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
2)
p51591 La reduction factor
= 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 = 25) sets the correct values for these parameters.
2)
SINAMICS DCM DC Converter
Operating Instructions, 02.2015, A5E34763375/RS-AA/001
Master
0
11 (Master)
Any
n
1 (only armature)
2 (armature + field)
Any
0 or 1
1)
Unique address
0.1 s
≠ 0
-
-
Rated motor cur-
rent/number of
SINAMICS DCM
Actual armature re-
2)
sistance × number of
SINAMICS DCM
Actual armature induct-
ance × number of
SINAMICS DCM
-
2)
ac.maher.co.ir
Descriptions of functions
10.27 Connecting units in parallel and in series
Substitute master Slave
The same as at the mas- The same as at the mas-
ter ter
13 (Substitute master) 12 (Slave)
Any Any
The same as at the mas- The same as at the mas-
ter ter
The same as at the mas- 0
ter
Any Any
0 or 1 0 or 1
1)
Unique address Unique address
0.1 s 0.1 s
0 (if only armature) 0 (no field)
≠ 0 (if armature + field)
The same as at the mas- The same as at the mas-
ter ter
The same as at the mas- The same as at the mas-
ter ter
The same as at the mas- The same as at the mas-
ter ter
The same as at the mas- The same as at the mas-
ter ter
The same as at the mas- The same as at the mas-
ter ter
The same as at the mas- The same as at the mas-
ter ter
1)
571