DI840 3BSE020836R1 ABB Bailey

DI840 3BSE020836R1 ABB Bailey Central control module

Brand：ABB Model number：DI840 3BSE020836R1

Country of origin: Sweden Product weight：0.55KG

HS code：8517623990

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Product Details：

Product Dimensions：

The DI840 is a high-integrity, high-speed digital input module with the following key specifications:

Function: Digital Input (DI) Module.
Channels: 16 channels, providing single-ended inputs.
Voltage Range: Typically designed for $24V$ DC nominal input signals.
Input Type: Sourcing inputs.
Isolation: The inputs are often isolated from the module logic and ground, enhancing noise immunity and safety.
Redundancy: Generally operates in non-redundant configurations, although it can be used in systems where other components are redundant.
Compatibility: Part of the S800 I/O series, requiring an appropriate Module Termination Unit (MTU) for field wiring connections.
Response Time: Features fast response times suitable for demanding process control applications.
Power Consumption: Low power draw, typical for standard S800 I/O modules.

Product Advantages

The DI840 module offers several benefits for industrial control systems:

High Density: 16 channels in a compact module saves cabinet space and reduces installation footprint.
Robust and Reliable: Built to withstand harsh industrial environments, offering long-term reliable operation critical for process uptime.
System Integration: Seamlessly integrates with ABB's System 800xA, leveraging its powerful engineering tools, diagnostics, and asset management capabilities.
Hot Swap Capability: Supports online replacement (hot swap) of the module without halting the process, minimizing downtime for maintenance.
Excellent Diagnostics: Provides comprehensive diagnostic information, aiding in quick fault finding and troubleshooting of field devices and wiring.

Precautions

When installing and operating the DI840 module, the following precautions should be observed:

Correct MTU Usage: Always ensure the correct Module Termination Unit is used to connect the field wiring to the module. Using an incompatible MTU can lead to wiring errors or damage.
Power Requirements: Verify that the system and the module are supplied with the specified power voltage, paying attention to grounding and noise suppression practices.
Field Wiring Integrity: Use shielded and properly rated cables for field device connections to minimize electrical noise interference and ensure signal integrity.
Electrostatic Discharge (ESD): Follow proper ESD protection procedures when handling the module to prevent damage to sensitive electronic components.
Installation Environment: Install the module within the specified temperature, humidity, and vibration limits of the S800 I/O system.

Product Applications

The ABB DI840 Digital Input Module is widely used across various industries where reliable monitoring of ON/OFF status from field devices is essential. Typical applications include:

Process Control: Monitoring the status of pumps, motors (Run/Stop), valve positions (Open/Closed), and limit switches in industries like Oil and Gas, Chemicals, and Pulp and Paper.
Manufacturing: Reading the status of sensors, pushbuttons, and interlocks on assembly lines and machinery.
Power Generation: Monitoring breaker status, protection relay trip signals, and auxiliary equipment status in power plants and substations.
Water and Wastewater: Collecting data on level switch status, pump operation feedback, and safety system inputs.

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