Siemens SINAMICS V20 - Page 3

Quick Guide
Handout 3
unestricted © Siemens AG 2017
XX.XX.2017 Page 5 Nattapong Th./DF MC GMC
Sinamics V20 Speed control with S7-1200 via USS protocol
Communication network
RS485
S7-1200
SINAMICS V20
CB 1241
Ethernet
()
()
(RS-485) S7-1200 
SINAMICS V20 SINAMICS V20 Multidrop 
RS485 RS485 RS485
()
()
Configure 3
Communication module 
1 Communication board
CM1241
unestricted © Siemens AG 2017
XX.XX.2017 Page 6 Nattapong Th./DF MC GMC
Sinamics V20 Speed control with S7-1200 via USS protocol
Table of content
• System Overview 4
• Sinamics V20 Commissioning 7
• S7-1200 USS protocol Hardware Configure 14
• S7-1200 USS protocol: USS_DRV Function 19
• S7-1200 USS protocol: USS_Port Scan 23