Profibus Installation Manual
8
General
1.1 General
The Profibus DP Module has three versions:
•
Single Channel Profibus DP
•
Simple Dual Channel, independent isolated Profibus DP
highways for redundant systems that do not support full
RedCom
•
RedCom Dual Channel, independent isolated Profibus DP
highways for RedCom compliant systems
The two dual channel versions have the same physical
assembly, but are configurable to include the necessary extra
messages for RedCom systems. PLCs that cannot accept the
extended diagnostic messages from RedCom slaves should
use the Simple Dual channel card. The reporting of RedCom
extended diagnostics can be selected from the GSD file.
Probus DP
Highway 1
Single Profibus DP Highway
Probus DP
Highway 1
Probus DP
Highway 2
Simple Dual Profibus DP Highway Connections
Probus DP
Highway 1
Probus DP
Highway 2
RedCom Dual Profibus DP Highway Connections
Fig. 2: The Types of Profibus DP Module Option Card
Communication Media RS485 2-wire highway (single or
dual), half duplex
Protocol Profibus DP-V0 and DP-V1
Mode Master/Slave, module is a slave,
cyclic and acyclic messaging
A4US
US
A4
US A4
US
A4
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