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Delta DVP

Communication protocol for Delta Electronics DVP series PLC.


The protocol supports addressing PLC registers via the DVP protocol, using letter type prefixes similar to those used in programs for PLC data.

Bit type

  • X - digital inputs
  • Y - digital outputs
  • M - auxilary relays
  • T - timer states
  • С - counter state
  • S - sequential latched relay

Word Registers

  • T - current timer value
  • С - current counter value
  • D - current value of the data register