Parameter List  09.02 
5-30  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) 
P684 
* 
SCom/SCB Baud 
Serial interfaces baud rate 
 
1 300 Baud 
2 600 Baud 
3 1200 Baud 
4 2400 Baud 
5 4800 Baud 
6 9600 Baud 
7 19200 Baud 
8 38400 Baud 
9 57650 Baud 
10 76800 Baud 
11 93750 Baud 
12 115200 Baud 
13 187500 Baud 
 
i001 = SST1:  serial comm. interface 1 (CUR) 
i002 = SCB:  SCB, if P682=1, 2, 3 
i003 = SST2:  serial comm. interface 2 (CUR with PTP1 option) 
 
PNU=2ACHex; Type=O2; Scaling: 1Hex 
=
∧
 1 
1 to 813 
 
 
300 Bd 
600 Bd 
1200 Bd 
2400 Bd 
4800 Bd 
9600 Bd 
19200 Bd 
38400 Bd 
57650 Bd 
76800 Bd 
93750 Bd 
115200 Bd 
187500 Bd 
2 
i001=6 
i002=6 
i003=13 
 
3/    BR 
3/    B 
P685 
* 
SCom/SCB #PKWDat 
Number of words (16 bit) of the parameter data part in the net data block of 
the telegram. 
 
0:  No parameter data part in the telegram 
3, 4   Parameter data part is 3 (parameter identifier, Ind, parameter 
value), 4 words long 
127  Variable parameter data length for the transfer of parameter 
description and texts 
 
i001 = SST1:  serial comm. interface 1 (CUR) 
i002 = SCB:  SCB, if P682=1, 2 
 
PNU=2ADHex; Type=O2; Scaling: 1Hex 
=
∧
 1 
0 to 127  2 
i001=127 
i002=127 
3/    BR 
3/    B 
P686 
* 
SCom/SCB # PrDat 
Number of words  (16 bits) of the process data part in the net data block of 
the telegram. 
 
i001 = SST1:  serial comm. interface 1 (CUR) 
i002 = SCB:  SCB, if P682=1, 2, 3 
 
PWE=0 means that no process data are expected in the USS protocol and 
that none are sent. 
 
i003 = SST2:    serial comm. interface 2 (CUR with PTP1 option), if 
Peer-to-Peer protocol is selected (P688=1), from 1 to 5 net 
data words can be sent. 
 
PNU=2AEHex; Type=O2; Scaling: 1Hex 
=
∧
 1 
0 to 16  3 
2 
3/    BR 
3/    B 
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