Parameter List  09.02 
5-22  Siemens AG    6SE7087-6AK85-1AA0 
  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) 
P587 
* 
Src Master/Slave 
Source for the master/slave drive changeover (control word 2, bit 27) 
 
0:  Master drive: The control works with an internal current setpoint 
1:  Slave drive: The control works with an external current setpoint 
Other values: see allowed settings in Section 4.3.1.1 (process data 
wiring of the control word) 
 
B/R parameter 
 
PNU=24BHex; Type=L2; Scaling: 1Hex 
=
∧
 1 
0 to 6005  2 
(0) 
2/    BR 
2/    BR 
P588 
* 
Src No Ext Warn1 
Source of the 'External warning 1' message (control word 2, bit 28) 
 
0: Not allowed 
1:  No external warning 
Other values: 
see allowed settings in Section 4.3.1.1 (process data wiring of 
the control word) 
 
B/R- parameter 
 
PNU=24CHex; Type=L2; Scaling: 1Hex 
=
∧
 1 
1 to 6005  2 
(1) 
3/    BR 
3/    BR 
P589 
* 
Src No Ext Warn2 
Source of the 'external warning 2' message (control word 2, bit 29)) 
 
0: Not allowed 
1:  No external warning 
Other values: see allowed settings in Section 4.3.1.1 (process data 
wiring of the control word) 
 
B/R parameter 
 
PNU=24DHex; Type=L2; Scaling: 1Hex 
=
∧
 1 
1 to 6005  2 
1 
3/    BR 
3/    BR 
P590 
* 
Src Base/Reserve 
Source of the 'Base / reserve settings' switching command (control word 2, 
bit 30) 
 
0: Base setting 
1: Reserve setting 
1005: Binary input 5 of the CUR board 
Other values: see allowed settings in Section 4.3.1.1 (process data 
wiring of the control word) 
 
No base/reserve changeover possible 
 
PNU=24EHex; Type=L2; Scaling: 1Hex 
=
∧
 1 
0 to 6005  - 
1005 
3/    BR 
3/    BR 
P591 
* 
Src ContactorMsg 
Source of the 'Main contactor energized' message(control word 2, bit 31) 
 
0:   Not allowed 
1:    No main contactor checkback signal 
1001 to 1005:  CUR terminals 
4101 to 4116:  SCB-SCI1- terminals (serial I/O) 
4201 to 4216:  SCB-SCI2- terminals (serial I/O) 
 
For details see Section 4.3.1.1 
 
Notes: 
If the function is active, pulses are released as soon as the message is 
available. 
No base / reserve settings possible 
 
PNU=24FHex; Type=L2; Scaling: 1Hex 
=
∧
 1 
1 to 4216  - 
1 
3/    BR 
3/    BR 
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