DI831 ABB Digital Input S800 I/O

Description

DI831 is an ABB Digital Input module for the S800 I/O system, designed for reliable signal acquisition with robust electrical characteristics and diagnostic capabilities.

Electrical Specifications

• Input Voltage Range:

  • "0": -60 to +10 V

  • "1": 30 to 60 V

• Input Impedance: 9.6 kΩ

• Isolation: Groupwise isolated from ground

• Filter Times (Digital, Selectable): 0 to 100 ms

• Current Limiting: Sensor power can be limited by the MTU

• Maximum Field Cable Length: 600 meters (656 yards)

• Event Recording Accuracy: -0.3 ms to +0.7 ms

• Event Recording Resolution: 0.4 ms

• Rated Insulation Voltage: 50 V

• Dielectric Test Voltage: 500 V AC

• Power Dissipation: Typ. 3.2 W

• Current Consumption:

  • +5 V Modulebus: Typ. 100 mA, Max. 120 mA

  • +24 V Modulebus: 0

Diagnostics

• Front LEDs: F(ault), R(un), W(arning), Channel 1-16 ("0" or "1")

• Supervision Features:

  • Process voltage (1 per group)

  • Event queue full

  • Time synchronization missing

• Status Indication:

  • Module Error

  • Module Warning

  • Channel Error

Physical Dimensions

• Width: 45 mm (1.77”)

• Depth: 102 mm (4.01”), 111 mm (4.37”) including connector

• Height: 119 mm (4.7”)

• Weight: 0.22 kg (0.48 lbs.)