Appendix  12.2010 
80 ENGLISH  Siemens AG    6RX1700-0DD74 
  SIMOREG DC-MASTER Converter Commutation Protector    Operating Instructions 
 
 
7.0 
6RA7090-6KC00-0 for motors with rated armature voltage 520 V (P101 or p50101) 
 
Voltage setpoint in V (U578 or p51578) 
300A
400A
500A
600A
700A
800A
900A
1000A
140
190
240
290
340
390
440
490
540
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
300A
400A
500A
600A
700A
800A
900A
1000A
Untergrenze
Obergrenze
Actual unit rated DC armature current in A (r072i002 or r50072[1]) 
 
Armature circuit inductance in mH (P111 or p50111) 
 
 
 
7.0A 
6RA7090-6KC00-0 for motors with rated armature voltage 520 V (P101 or p50101) 
 
Voltage setpoint in V (U578 or p51578) 
300A
400A
500A
600A
140
190
240
290
340
390
440
490
540
0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.1
300A
400A
500A
600A
700A
800A
900A
1000A
Untergrenze
Obergrenze
Actual unit rated DC armature current in A (r072i002 or r50072[1]) 
 
Armature circuit inductance in mH (P111 or p50111)