Entry type: FAQ, Entry ID: 8782948, Entry date: 04/07/2008
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What are the options for connecting a PC station to Industrial Ethernet or PROFIBUS via the SIMATIC NET OPC server?

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Configuration Notes:
The SIMATIC NET OPC server is included in the SIMATIC NET PC software. With the SIMATIC NET OPC server, you can connect a PC station to S7 stations, S5 stations or third-party devices for data exchange via PROFIBUS or Industrial Ethernet.

The following communication services are available for communication via Industrial Ethernet:

  • S5-compatible communication and S7 communication
    S5-compatible communication be used for data exchange with S7 stations, S5 stations and third-party devices. S7 communication can only be used for data exchange with S7 stations.
    You need one of the following SIMATIC NET PC software packages to be able to use these communication services including SIMATIC NET OPC server:
    • SOFTNET S7 Lean - for up to 8 connections via normal Ethernet network cards, CP1612 or CP1512.
    • SOFTNET S7 IE - for up to 64 connections via normal Ethernet network cards, CP1612 or CP1512.
    • S7-1613 - for up to 120 connections via CP1613 (A2) or CP1623.
       
  • PROFINET IO controller
    You need the following SIMATIC NET PC software to operate a PC station as PROFINET IO controller:
    • SOFTNET PN IO - for up to communication via normal Ethernet network cards, CP1612 or CP1512.
  • Fault-tolerant S7 communication
    You need the following SIMATIC NET PC software if you wish to configure fault-tolerant S7 connections for communication between S7-400H system and PC station:
    • S7-REDCONNECT - for communication via CP1613 (A2) or CP1623.  

The following communication services are available for communication via PROFIBUS:

  • S7 communication
    S7 communication can only be used for data exchange with S7 stations. You need one of the following SIMATIC NET PC software packages if you want to use S7 communication including SIMATIC NET OPC server for data exchange:
    • SOFTNET S7 PB - for communication via CP5611 (A2), CP5621 or CP551x.  
    • S7-5613 - for communication via CP5613/14 (A2).
       
  • FDL protocol
    The FDL protocol can be used for data exchange with S7 stations and S5 stations. You need one of the following SIMATIC NET PC software packages if you want to use the FDL protocol including SIMATIC NET OPC server for data exchange:
    • SOFTNET DP - for communication via CP5611 (A2), CP5621 or CP551x.  
    • CP5613/5614 (A2) - here you do not need any other software, because the protocol driver is supplied with the hardware.
       
  • FMS protocol
    The FMS protocol can be used for data exchange with S7 stations and S5 stations. You need the following SIMATIC NET PC software package if you want to use the FMS protocol including SIMATIC NET OPC server for data exchange:
    • FMS-5613 - for communication via CP5613/14 (A2).
       
  • PROFIBUS DP slave
    You need the one of the following SIMATIC NET PC software packages to operate a PC station as PROFIBUS DP slave:
    • SOFTNET DP slave - for communication via CP5611 (A2), CP5621 or CP551x.  
    • CP5614 (A2) - here you do not need any other software, because the protocol driver is supplied with the hardware.
      More information is available in the manual of the DP Base programming interface in Entry ID 1653531.
      Note:
      On the S5 side, an IM308C or a CP5431 is used as DP master.
  • PROFIBUS DP master
    You need the one of the following SIMATIC NET PC software packages to operate a PC station as PROFIBUS DP master:
    • SOFTNET DP - for communication via CP5611 (A2), CP5621 or CP551x.  
    • CP5613/14 (A2) - here you do not need any other software, because the protocol driver is supplied with the hardware.
      More information is available in the manual of the DP Base programming interface in Entry IDs 1653531 and 25011749.
      Note:
      On the S5 side, an IM308C is used as DP slave.

Keywords:
OPC server, S5 link, S5 connection, S7 connection, Send, Receive, DP Base, SOFTNET

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