09.02  Parameter List 
Siemens AG    6SE7087-6AK85-1AA0 
5-11 
Rectifier/Regenerating Unit    Operating Instructions 
PNU 
 
*
 
: Conf. 
    Par. 
OP1S parameter name 
 
Description 
Value range  
[phys. unit] 
Selection text 
Display 
Indices 
Factory- 
setting 
See 
Modify 
(access / 
status) 
5.6  Data of the DC link 
P140 Rectifier Resist 
Circuit resistance in the rectifier bridge 
This parameter is automatically set when circuit identification takes place 
(P052=21) 
 
RDS parameter 
 
PNU=6EHex; Type=O2; Scaling: 1Hex 
=
∧
 0.001 
0.000 to 32.767 
[Ω] 
4 
0.000 
3/    BR 
3/    BR 
P141 
 
Rectifier Induct 
Circuit inductance of the rectifier bridge 
This parameter is automatically set when circuit identification takes place 
(P052=21) 
 
RDS parameter 
 
PNU=6FHex; Type=O2; Scaling: 1Hex 
=
∧
 0.01 
0.00 to 327.67 
[mH] 
4 
0.00 
3/    BR 
3/    BR 
P142 
** 
Inverter Resist. 
Circuit resistance of the regenerative bridge 
This parameter is automatically set when circuit identification takes place 
(P052=21) 
 
RDS- parameter 
 
PNU=70Hex; Type=O2; Scaling: 1Hex 
=
∧
 0.001 
0.000 to 32.767 
[Ω] 
4 
0.000 
3/    BR 
3/    BR 
P143 
** 
Inverter Induct. 
Circuit inductance of the regenerative bridge 
This parameter is automatically set when circuit identification takes place 
(P052=21) 
 
RDS parameter 
 
PNU=71Hex; Type=O2; Scaling: 1Hex 
=
∧
 0.01 
0.00 to 327.67 
[mH] 
4 
0.00 
3/    BR 
3/    BR 
P144  DC Bus Capacit. 
Capacitance of the DC link 
This parameter is automatically set when circuit identification takes place 
(P052=21) 
 
RDS parameter 
 
PNU=72Hex; Type=O2; Scaling: 1Hex 
=
∧
 0.01 
0.00 to 327.67 
[mF] 
4 
0.00 
3/    BR 
3/    BR 
 
AoteWell Automation Sales Team
Buy Siemens PLC HMI Drives at AoteWell.com