Description

ABB DI840 16-channel digital input module

Electrical characteristics:
Input voltage range: 18-30V DC. At 24V DC, the input current is 7mA.
Input impedance: 3.3kΩ.
Isolation: The 16 channels are grouped together and isolated from the ground.
Rated insulation voltage: 50V.
Dielectric test voltage: 500V AC.

Functional characteristics:
Number of channels: It has 16 digital input channels and can simultaneously collect 16 external digital signals.
Input type: Supports 24V DC input, using current absorption mode.
Status indication: Each input channel is equipped with a corresponding LED indicator light, allowing for an intuitive view of the input status of the channel.
Diagnostic function: It is equipped with an advanced on-board diagnostic function, which can promptly detect faults of the module itself and provide corresponding instructions.
Event sequence function: The Sequence Event function (SOE) can collect events at a resolution of 1ms. The event queue can contain up to 257 events, and this function also includes a masking filter to filter out unwanted events.

Application scenarios: It is applicable to modern industrial fields such as power, petroleum, mine hoisting, ports, heating, gas, water supply, sewage treatment, metallurgy, papermaking, textile, chemical engineering, and water conservancy.

This module can be seamlessly integrated into ABB’s comprehensive PLC system to ensure compatibility and ease of use in industrial applications. Its sturdy structure can withstand harsh environmental conditions and is suitable for demanding industrial environments.