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S800 I/O – DI831

The DI831 is a 16 channel 48 V d.c. digital input module for the S800 I/O. The input voltage range is 36 to 60 V d.c. and the input current is 4 mA at 48 V d.c.). Each input channel consists of current limiting components, EMC protection components, input state indication LED and optical isolation barrier. The module cyclically performs self-diagnostics. Module diagnostics include:

  • Process power supply supervision (results in a module failure, if detected)
  • Event queue full
  • Time synchronization missing.

The input signals can be digitally filtered. The filter time can be set in the range 0 to 100 ms. This means that pulses shorter than the filter time are filtered out and pulses longer than specified filter time get through the filter.

Features and Benefits

  • 16 channels for 48 V d.c. inputs with current sinking
  • 2 isolated groups of 8 channels with voltage supervision
  • Input status indicators
  • Sequence of event (SOE) functionality
  • Shutter filter
Article number 3BSE013212R1
Type Digital Input
Signal specification 48 V d.c.
Number of channels 16
Signal type Current sinking
HART No
SOE Yes
Redundancy No
High integrity No
Intrinsic safety No
Mechanics S800

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satis@gest.com.tr

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