Siemens DTU3005-B Betreibershandbuch PDF herunterladen (Seite 6)

1 Introduction

2 Siemens Energy & Automation, Inc.

1.5 Applications

The typical application of the DTU3005P is to con-

nect Port 1 of the DTU3005P to a Profibus DP net-

work as a slave device, and then connect to

Siemens ACCESS devices or VDEW devices using

Port 2. Port 3 can be configured as a passthrough to

the devices. This connection allows a personal com-

puter running Siemens WinPM™ or other supervi-

sory software to connect directly to SEAbus devices

at the same time.

Figure 1.2 Profibus to SEAbus Application

When using VDEW for the 7-series relays, the use of

Port 3 (typically with DIGSI) temporarily stops Port

1’s (Profibus DP Port) control of Port 2 (Device Port).

Due to the rules of VDEW, Port 1 only regains con-

trol of Port 2 after communication is completely

stopped on Port 3. The passthrough function is use-

ful for using DIGSI to retrieve waveforms from 7-

series relays.

Example applications are shown below in Figure 1.2

and Figure 1.3.

Figure 1.3 Profibus to VDEW Application

WinPM Software WinPM or WinDIGSI Software

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Siemens DTU3005-B Betreibershandbuch Seite 6