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  1. ELEphilippe

    RS-485 vs Fieldbuses

    Can PLC communicate only with RS-485? What i mean is does PLC's only communicate by fieldbuses, which are higher level protocols than RS-485, or if they can communicate with only RS-485? If both are possible what are the differences between the two? You can probably send less complicated data...
  2. ELEphilippe

    Am I right in my protocol hierarchy? (Ethernet up to fieldbus)

    Am I right to say that on an Ethernet network PLC communicate with fieldbuses which are "encapsulated" in RS-485 protocol which is "encapsulated" in TCP/IP protocol. If i'm wrong could someone tell me what is the correct hierarchy. Thanx Philippe St-Pierre
  3. ELEphilippe

    Profibus with Omron and telemecanique

    Can Omron's cqm1 pa203, cpm1a, c 28 k and telemecanique tsx17 PLC's use Profibus fieldbus? If not, do you know an other non-proprietary fieldbus that would work well with those PLC's and Siemens s7-200 cpu224 (2.0) and s7-200 cpu224 (1.0) Thank you Philippe St-Pierre
  4. ELEphilippe

    Difference between a proprietary and non-proprietary Fieldbus

    What is the difference between a proprietary and non-proprietary Fieldbus. thanx Philippe St-Pierre
  5. ELEphilippe

    Difference between Fieldbus and communication protocol

    What is the difference between a fieldbus and a communication protocol? Is it that a fieldbus is a communication protocol for different specific PLC's
  6. ELEphilippe

    How are OPC drivers working?

    If I install on a computer OPC drivers (i.e. OPC DX)for all the fieldbuses I have, is the SCADA i'm developping (which is a VB program)will be able to exchange data with the different PLC's through functions and tags contained in the drivers? And can i say that the computer on which all the OPC...
  7. ELEphilippe

    One SCADA or OPC for multiple brand PLC's

    Hi, I would like to know if someone knows a SCADA and/or an OPC server than would be able to communicate with Siemens (s7-200 cpu224(2.0),s7-200 cpu224 (1.0)), OMRON (cqm1 pa203, cpm1a, c 28 k), Telemecanique (tsx 17) and Allen Bradley (micrologic 1000) PLC's and a VB program. I'm not sure I...
  8. ELEphilippe

    DDE and Serial Port or Ethernet

    I have to start learning DDE to get a PLC to communicate with an application (SQL server) trough to the PC serial port or Ethernet card. I would like to know if anyone has documention to suggest or anything that would help me get in touch with DDE and Serial port and/or Ethernet. Thanx
  9. ELEphilippe

    DDE and SQL server

    I have to start learning DDE because I have to get a PLC to communicate with SQL server (trough the serial port or an Ethernet card) and I would like to know if anybody has documention to suggest or anything that would help to get familiar with DDE. Thank you
  10. ELEphilippe

    WinWedge with SIEMENS, TELEMECANIQUE AND OMRON PLC's

    I've searched a way to send PLC data into SQL server and I found the WinWedge software. Has anyone tried it out? What do you think about it? Do you know a better software or a better way to collect information from a PLC (more precisely SIEMENS, TELEMECANIQUE AND OMRON PLC's) and send it in SQL...
  11. ELEphilippe

    How to send PLC data directly into a database

    Hi,I would like to know what software/hardware do i need and the procedure to store data from a PLC to a database (SQL server for example) Thanx
  12. ELEphilippe

    How to send PLC's data into SQL server

    I would like to know if it is possible to send PLC data to an SQL interface on a PC. More precisely i would like to know how to store data in SQL server from a siemens PLC. What software and/or hardware do i need and what is the procedure to collect data from de PLC to the PC.

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