Connection  09.02 
3-18  Siemens AG    6SE7087-6AK85-1AA0 
  Rectifier/Regenerating Unit    Operating instructions 
Function  Terminal  Connected loads/Description 
Binary outputs  X104-17 
X104-18 
 
X104-19 
X104-20 
 
Binary output 1, pin 1 
Binary output 1, pin 2 
 
Binary output 2, pin 1 
Binary output 2, pin 2 
 
The binary outputs are normally-open relay contacts 
At 50V AC max. switching voltage, the following 
applies: 
Max. switching current 1A~ at p.f. =1 
Max. switching current 0.12A AC at p.f. = 0.4 
At max. 30V DC switching voltage, the following 
applies:: 
Max. switching current 0.8A (resistive loads) 
For functions see Section 4.3.3 and 4.3.1.2 (status 
word) 
Table 3.9  Control terminal block 
 
3.3.4  Connecting-up the parameterizing unit (PMU) 
9
68
7
15234
X300
P
A serial connection to automation unit or a PC can be realized via
connector X300 on the PMU.The cables must be shielded and
connected to ground at both ends. (See Sec. 3.3.2). Thus, 
the rectifier/regenerating unit can be controlled and operated from
the central control station or control room.
 
Figure 3.8  Parameterizing unit (PMU) 
 
PMU -X300  Description 
1 Housing ground 
2  Receive line, RS232 standard (V.24) 
3  Transmit- and receive line, RS485, two-wire, positive differential input/output 
4  RTS (Request to send; for direction reversal in the case of interface converters 
5  Ref. potential (ground) 
6  5 V power supply for OP1S 
7  Transmit line, RS232 standard (V.24) 
8  Transmit- and receive line RS485, two-wire, negative differential input/output 
9  Ref. potential for RS232 or RS485 interface 
Table 3.10  Connector pin assignment for interface  X300 
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