Siemens SIMATIC S7-1200 Manual - Page 28

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Siemens SIMATIC S7-1200 Manual
5 Installation and Commissioning
5.1 Installing the hardware
®
Figure 5-2: USS
bus wiring when using a SIMATIC S7-1200 controller
ON
OFF
RS485
bus connector
SIMATIC
S7-1200
CM 1241
KTP600 (optional)
SINAMICS V20 at S7-1200/1500 via USS
Entry ID: 109480894,
V1.0,
09/2018
 Siemens AG 2018 All rights reserved
0V
M
TA
TRA TRB
TB
CB 1241
PG/PC
PN/IE
SINAMICS V20
USS
®
L1
L2 (N)
L3
120 Ω
470 Ω
1.5 kΩ
bus
28