ControlLogix | 1769 Compact I/O | SLC 500 | PLC-5Quantum |

1756 ControlLogix Firmware Revision Notes

Catalog No. Rev. Description
1756sc-IF8H 2.9
  • Fixed to send the correct number of preambles.

  • Enhanced to alternate short address 0 with other addresses for faster initialization.

  • Fixed to keep completed pass through responses when configuration changed.

  • Enhanced to no longer block command 6.

  • Fixed to reduce the number of clear configuration changed bit commands sent when the configuration is being changed.

     
1756sc-OF8H 2.9
  • Fixed to send the correct number of preambles.

  • Enhanced to alternate short address 0 with other addresses for faster initialization.

  • Fixed to keep completed pass through responses when configuration changed.

  • Enhanced to no longer block command 6.

  • Fixed to reduce the number of clear configuration changed bit commands sent when the configuration is being changed.

     
1756sc-IF8H 2.5 Fix software to be HART version 5 compliant when decoding HART command #50.
     
1756sc-OF8H 2.5 Fix software to be HART version 5 compliant when decoding HART command #50.
     
1756sc-IF8H 2.3 Addition of user selectable unconnected messaging scheduling.  This allows the user to determine the rate that the pass-through message queue is serviced.  Service rate may be set higher when used with CONNECTS gateway to optimize performance
     
1756sc-OF8H 2.3 Addition of user selectable unconnected messaging scheduling.  This allows the user to determine the rate that the pass-through message queue is serviced.  Service rate may be set higher when used with CONNECTS gateway to optimize performance
     
1756sc-IF8u 2.1 RSLogix V16 intermittent connection with extended RPI settings fixed.  Add-on profile major and minor revision support added.
     
1756sc-IF8u 1.33 When operating in 3-wire RTD/Resistance mode, the lead resistance correction computation was incorrect. The algorithm introduces a substantial error when the sensor resistance changes.  This error persists until the next lead resistance measurement occurs.
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