Siemens SIMOVERT MASTERDRIVES Betriebsanleitung Seite 201

Connecting-up
X103 - 10 V voltage
output, SCom1,
SCom2
X300 - Serial
interface
1
5
9 6
7-14
The following connections are provided on the control terminal strip:
♦ 10 V aux. voltage (max. 5 mA) for the supply of external
potentiometers
♦ 2 serial interfaces SCom1 and SCom2 (USS / RS485)
Terminal Designation
23 P10 V
24 N10 V
25 RS485 P (SST2)
26 RS485 N (SST2)
27 RS485 P (SST1)
28 RS485 N (SST1)
Connectable cross-section: 0.14 mm
The terminals 23 and 24 are short-circuit proof.
Terminal 23 is at the top when installed.
Table 7-7 Control terminal strip X103
Either an OP1S or a PC can be connected up via the 9-pole SUB D
socket.
The 9-pole SUB D socket is internally coupled with the USS bus, with
the result that it is possible to exchange data with further converters
and inverters which are linked via the USS bus.
Pin Name
1 n.c.
2 RS232 RxD
3 RS485 P
4 Boot
5 M5V
6 P5V
7 RS232 TxD
8 RS485 N
9 M_RS232/485
Table 7-8 Serial interface X300
Meaning
+10 V supply for ext.
potentiometer
-10 V supply for ext.
potentiometer
USS bus connection SCom2
USS bus connection SCom2
USS bus connection SCom1
USS bus connection SCom1
2
to 1.5 mm
Meaning
Not connected
Receive data via RS232
Data via RS485
Control signal for software
update
Reference potential to P5V
5 V aux. voltage supply
Transmit data via RS232
Data via RS485
Digital ground (choked)
6SE7087-6KD50
Operating Instructions
08.2009
Range
+10 V ±1.3 %,
Imax = 5 mA
-10 V ±1.3 %,
Imax = 5 mA
RS485
RS485
RS485
RS485
2
(AWG 16)
Range
RS232
RS485
Digital signal, low
active
0 V
+5 V, Imax = 200 mA
RS232
RS485
Siemens AG
SIMOVERT MASTERDRIVES