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G3 PLC Data Concentrator

Madhu Annapragada
Prodigy 225 points
Other Parts Discussed in Thread: TMS320F28PLC84, SYSBIOS, AFE031

The question relates to the DC reference design TIDEP0059 (CENELEC Band data concentrator). The reference schematic shows the use of a TMS320F28375 processor and AFE032 for the PLC SOM. We have been using the TMS320F28PLC84processor and AFE301 on our nodes. Could we not use the same processor - with the appropriate firmware (sysbios_g3_plc_dc_F2806x_AFE031_CRC16_MSB_ROM_image.hex from the G3_DC_SDK_Package_v4706) for the three phase data concentrator instead?

Thank you for your help.

  • 0
    TI__Genius 10295 points
    hi Madhu,

    Yes you can use the TMS320F28PLC84 processor and AFE31 SOM that you use on the nodes .
    The only thing is that the TMS320F28375 also support FCC and Cenelec band .
    But TMS320F28PLC84 processor and AFE31 SOM is purely Cenelec A supported .

    yes you can use the (sysbios_g3_plc_dc_F2806x_AFE031_CRC16_MSB_ROM_image.hex from the G3_DC_SDK_Package_v4706 ) .

    Regards.
  • 0 in reply to MEGHANA MANAVAZHI
    Prodigy 225 points
    Hi Meghana,
    A follow up to the above - could you please post the link to the G3-PLC binary for the TMS320F28375 and a link to the host messaging protocol for the TIDEP0059? At this point we need to support both CENELEC A & B bands and I understand from your reply that this is only possible with the TMS320F28375 processor?
    Thank you very much.
  • 0 in reply to Madhu Annapragada
    TI__Genius 10295 points

    Hi Madhu ,

    We do have the same level of CENELEC support in both PLC84 and F28375 .

    SO if the aim is to just use CENELEC and not FCC , you can stick to PLC84 .

    The CEN B is phy complete and basic MAC features are also available . But yes not a very high level of regression has gone in for CEN B .

    The links for the FCC band package 

    The link for CEN package 

    the package contains the S/W binary and the Host protocol details .

    For the TIDEP0059 S/w and details below 

    Regards .

  • 0 in reply to MEGHANA MANAVAZHI
    Prodigy 225 points

    Thank you Meghana. We don't need to support FCC but the reason for trying to switch was that we were not successful in getting CEN B to work with the PLC84 with the big DC also running PLC84 + BeagleBone. Here is a link to the issue we were having that we never quite resolved - hence the switch in trying another chipset that shows support for CEN B. : e2e.ti.com/.../2068709

    Can we assume the PLC84 is chip is good to go for CEN B as well and proceed with out development. We are stuck in trying to get this to work with the Big DC. The mini-DC firmware worked quite well for us.

    Thank you

  • 0 in reply to Madhu Annapragada
    TI__Genius 10295 points

    hi Madhu ,

    The PLC84 has only gone through very less testing for CEN B and that is why i would suggest going with CEN A if possible .

    Else you could proceed with CEN B but the roadblocks may need to be handled as when when they arise.

    the hardware remains the same.

    Regards .