Siemens DTU3005-B Betreibershandbuch PDF herunterladen (Seite 50)

6 Creating Project Files—SEAbus Port Expander

46 Siemens Energy & Automation, Inc.

6.1 Passthrough Setup—Port 1

You must have a SEAbus Port Expander project file

open to configure port 1 using the instructions in this

section. Select Port 1 (Passthrough) from the Edit

menu, and the Port 1 (Passthrough) configuration

screen appears.

2-Wire RS422 or RS485 Communications

The 2-Wire RS422 or RS485 Communications selec-

tion box will only need to be checked if the communi-

cations with your supervisory computer is a 2-wire

RS485 or RS422 interface. An example of this is if you

are using a RS-232/485 converter to extend the dis-

tance between your computer and the DTU3005.

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Siemens DTU3005-B Betreibershandbuch Seite 50