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I/O SYSTEMS – S800 I/O – DP820

DP820 is an two-channel pulse counting module for incremental pulse transmitters up to 1.5 MHz. Each channel contains counters and registers for position/length and speed/frequency measurement. Each channel provides three balanced inputs for connection of a pulse transmitter, one digital input and one digital output. Pulse transmitters with RS422, +5 V, +12 V, +24 V and 13 mA interfaces can be connected to DP820.

Use DP820 with Module Termination Units TU810V1, TU812V1, TU814V1, TU830V1, TU833.

Features and Benefits

  • Two channels
  • Interface for RS422, 5 V, 12 V, 24 V and 13 mA transducer signal levels
  • Simultaneous pulse count and frequency measurement
  • Pulse count (length/position) by accumulation in a bidirectional 29 bit counter
  • Frequency (speed) measurement 0.25 Hz – 1.5 MHz
Article number 3BSE013228R1
Type Pulse counter
Signal specification 24 V d.c. (12 – 32 V d.c.)
Number of channels 2
HART No
SOE No
Redundancy No
High integrity No
Intrinsic safety No
Mechanics S800

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