Siemens SIMATIC NET PROFIBUS manual 3 DP/PA Coupler, Uses of the DP/PA Coupler

Topologies of SIMATIC NET PROFIBUS Networks

2.5.3DP/PA Coupler

Figure 2-15 below illustrates how the DP/PA coupler is included in the system.

Process control	Industrial Ethernet
level

Cell level DP master PROFIBUS-DP

“Programming, Operating and Monitoring”

SIMATIC PCS 7 or other tool for parameter assign- ment

PDM or other tool for parame- ter assignment

ET200X

DP/PA coupler Ex [i]

DP/PA coupler

PROFIBUS-PA

Field level

Explosion-protected area

Figure 2-15 Linking the DP/PA Coupler into the System

Uses of the DP/PA Coupler

The DP/PA coupler is available in two versions:

SDP/PA coupler Ex [i]: You can attach all field devices certified for PROFIBUS-PA and that are located within the hazardous area.

SDP/PA coupler: You can attach all field devices that are certified for PROFIBUS-PA and that are outside the hazardous area.

The DP/PA coupler is an accompanying component according to EN 50014 or EN 50020 and must be installed outside the hazardous area.

PROFIBUS Networks SIMATIC NET	2-23
6GK1970-5CA20-0AA1 Release 2 05/2000