DI885

Description

DI885 is a digital input module in the ABB S800 series, featuring 8 current-sinking channels with Sequence of Events (SOE) capability.

General Information

• Module type: Digital input with SOE

• Number of channels: 8 (current sinking)

• Maximum field cable length: 600 meters

Power Supply

• Nominal voltage: 24 V DC

• Operating voltage range: 19.2 to 30 V DC

• Process supply (internal): 48 V DC ±10%

• Process supply (external): 18 V DC to 60 V DC

Input Signal Types

• 48 V contact supervised:

• “1”: >30 V DC to <60 V DC (>2 mA to <4 mA)

• “0”: <23 V DC to >8 V DC (<1.5 mA to >0.5 mA)

• Open circuit: <5 V (<0.33 mA)

• 48 V contact not supervised:

• “1”: >30 V DC to <60 V DC (>2 mA to <4 mA)

• “0”: <23 V DC to -30 V DC (<1.5 mA to >-2.2 mA)

• 24 V electronic not supervised:

• “1”: >8 V DC to <60 V DC (>0.5 mA to <4 mA)

• “0”: <5 V DC to -30 V DC (<0.33 mA to >-2.2 mA)

Additional Data

• Input impedance: 15 kΩ

• Bounce filter time: 0–255 ms (selectable)

• SOE event resolution: 1 ms

• SOE event accuracy: -0.5 ms to +1.3 ms

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