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Allen Bradley to Propeller — Parallax Forums

Allen Bradley to Propeller

AImanAIman Posts: 531
edited 2013-09-07 07:08 in Propeller 2
Does anyone know how to or have documentation on hooking a propeller to an Allen Bradley PLC?

Comments

  • Bill HenningBill Henning Posts: 6,445
    edited 2013-08-23 09:17
    The minimum would be to implement the serial DF1 protocol. If memory serves, it is not too difficult, the only pain is the escaping of some bytes in the packet, due to how they are used in the headers.

    I sugget googing for "Allen Bradley DF1 protocol" :)
    AIman wrote: »
    Does anyone know how to or have documentation on hooking a propeller to an Allen Bradley PLC?
  • JordanCClarkJordanCClark Posts: 198
    edited 2013-08-26 10:32
    In addition, the PLC serial port also has a "user" configuration, letting you bypass DF1 entirely.

    The only caveat is if you have to use the port for programming, then you really should use DF1.
  • FredBlaisFredBlais Posts: 380
    edited 2013-09-07 07:08
    AIman wrote: »
    Does anyone know how to or have documentation on hooking a propeller to an Allen Bradley PLC?

    You can also use an OPC server like RSLinx Classic or KEPServerEX. If you are able to find docs on CIP (Common Industrial Protocol), you could even use Ethernet directly.
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