Connection  09.02 
3-20  Siemens AG    6SE7087-6AK85-1AA0 
  Rectifier/Regenerating Unit    Operating instructions 
3.5  Single-line diagrams with suggested circuit arrangements 
X4: 1U2 1V2 1W2
 1T1 1T2  1T3
X1: U1  V1  W1
  L1 L2 L3
M
3AC 50-60Hz, 400V
3AC 50-60Hz, 500V
1AC 50-60Hz, 230V
ϑ
X30-1
X30-2
X20.1-1
X20.1-2
12
12
PE
+24V
X239
A23
C98043-A1681
X1: C/L+
F10
X1: D/L-
E1
R100
RS485P
RS485N
M
P5
S1
X100
PMU
X108
X107
X109
X308
X300
A10
C98043-A1680
1
2
3
4
5
RS485
14 15 16
17 18 19 20
X104X102
M
 6 7 8 9 10 11 12 13
P24 M M
X101
820k
R135
R136
10nF
M
BI
10nF
A01 BO
S2
M
150Ω
390Ω
390Ω
M
P5
X117
1
2
3
4
5
RS485
M
RS485
TTL
X115
X116
R15
R16
N
P
N
P
A2
C98043-A1690
K1-2
X9-3    X9-4    X9-5
RESET
F1 F2
+5V +15V -15V  +24V
L_DSAVE
X9-1    X9-2
RS485 ⇒ OP1S, DriveMonitor
RS232 ⇒ DriveMonitor
K1
Load
Filter
(optional) 
Power supply
24V-power supply
unit
Option modules
binary selecting inputs
analog outputs
binary selecting outputs
Microprocessor selection:
Open and closed-loop
control of the DC link
voltage
I
act
of the main power switch
 
Figure 3.9  Single-line diagram with suggested circuit arrangement without autotransformer, Size C 
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