ABB DIS880 3BSE074057R1 Digital Input Module

The DIS880 is a digital input 24V signal conditioning module for high integrity applications supporting 2/3/4-wire devices with Sequence of Events (SOE).The DIS880 supports both Normally Open (NO) and Normally Closed (NC) 24 V loops and is SIL3 compliant.

Single Loop Granularity - Each SCM handles a single channel Supports hot swap Mechanical locking slider to shut off field device power prior to removal and/or output field disconnect feature to electrically separate field loop wiring from the SCM during commissioning and maintenance.

Select I/O is an Ethernet-networked, single-channel, fine-grained I/O system for the ABB Ability™ System 800xA automation platform.Select I/O helps decouple project tasks, minimize the impact of late changes, and supports standardization of I/O cabinets, ensuring automation projects are delivered on time and within budget. The Signal Conditioning Module (SCM) performs the signal conditioning and power supply required for one I/O channel to the connected field device.

Detailed Data

Supported Field Devices 2-, 3-, and 4-wire sensors (dry contacts and proximity switches, 4-wire devices require external power)

Isolation

Electrical isolation between system and each channel (including field power).

Routinely tested at the factory with 3060 VDC.

Field power supply Current limited to 30 mA

Diagnostics

Loop monitoring (short and open)

Internal hardware monitoring

Communication monitoring

Internal power monitoring

Calibration Factory calibrated

Power consumption 0.55 W

Mount in hazardous area/location Yes/Yes

IS barrier No

Field input stability ±35 V between all terminals

Input voltage range 19.2 ... 30 V

Frequently asked questions about the product are as follows:

-What is ABB DIS880?

ABB DIS880 is part of ABB's distributed control system (DCS)

-What are the main functions of DIS880?

It supports various I/O modules, communication protocols, and integration with other systems. It supports advanced process control and optimization strategies to improve operational efficiency. It integrates with the operator station for intuitive monitoring and control.

-What are the typical components of a DIS880 system?

The controller is the brain of the system, handling control algorithms and I/O management. I/O modules can interact with these modules with sensors and actuators to collect and send data. The operator station provides a human-machine interface (HMI) for real-time monitoring and control. The communication network connects all components and supports Ethernet, Modbus, Profibus. Engineering tools are software tools used to configure, program, and maintain the DCS.