Siemens SIMOVERT MASTERDRIVES 6SE7087-6CX86-2BA1 Manual page 50

Connecting-Up and Wiring
Serial interface 2
USS (RS485)
non-floating
Reference potential
RS485
Pre-assigned
for converter
Control of
main contactor
Digital
inputs:
I ≤ 12 mA
Pre-assigned
for converter:
24 V monitoring
7-12
PMU
-X100
-X101
-X102
Fig. 7-8 View of CUSA
X100
RS485P
1
RS485N
2
3
4
5
6
7
8
X101
13
P24
14
M
15
M
16
17
18
19
20
X102
AUX
Pre-assigned
25
for special
AUX
applications 26
Pre-assigned
27
for converter:
Voltage sensing
28
Digital output 3
29
I ≤ 20 mA
Pre-assigned 30
for converter:
31
Voltage sensing
Digital output 4
32
I ≤ 20 mA
33
Analog output:
8 bits + sign
I ≤ 5 mA
34
Fig. 7-9 View of standard terminals
Micro
A
controller
B
C
D
5V
In
24V
5V
In
24V
5V
In
24V
5V
In
24V
5V
In ≥
24V
AI 1
D
A
P24
Out
AI 2
D
A
P24
Out
AO
D
0...+10 V
A
list
6SE7087-6CX86-2BA1
Operating Instructions SIMOVERT MASTERDRIVES AFE
04.2006
PMU
X300
serial
interface 1
USS
RS232
RS485
9 8 7 6 5 4 3 2 1
B
A
1
+5V
Switch for USS bus terminator
C
D
Siemens AG