Product Details
Description
The DI803 module provides 8 isolated 24 V DC inputs for monitoring switches, sensors, and relay contacts. With galvanic isolation and signal filtering, it ensures reliable discrete data acquisition in industrial environments like water treatment, HVAC, and manufacturing.
Specifications
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Manufacturer: ABB
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Country of Origin: Estonia / Sweden
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Model Number: DI803
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Order Number: 3BSE022362R1
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Product Series: S800 I/O
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Number of Channels: 8
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Rated Voltage: 24 V DC (Sink/Source)
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Input Current: 2.8 mA (Typical at 24 V)
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Signal Filter: Programmable (Typical 2–15 ms)
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Isolation: 50 V Continuous (Field to Logic)
Features
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Precise Signal Processing: Features sophisticated hardware and software filtering to ensure only valid state changes are reported to the controller.
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Compact Integration: Designed for high-density DIN rail mounting, maximizing the available space within local control cabinets.
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Visual Status Monitoring: Includes a dedicated LED array on the front panel for real-time indication of input states and module health.
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Hot-Swap Support: Compatible with S800 Module Termination Units (MTUs) that allow for module replacement without powering down the entire station.
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Industrial Durability: Built to withstand the temperature fluctuations and vibrations common in heavy-duty industrial processing sites.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Redundant Automation Systems: Core Architecture, Business Value, and Technical Advantages
Unplanned downtime poses a major financial threat to process manufacturing. To prevent costly interruptions, engineers deploy redundant PLC and DCS architectures that ensure continuous operation when hardware fails. This technical guide explores redundancy principles, critical system nodes, and real-world scenarios.
Preventing Emergency Stop Spurious Trips in Industrial Control Systems
Emergency Stop pushbuttons use Normally Closed contacts for fail-safe safety, but mechanical wear can cause costly spurious trips. This technical guide examines E-Stop contact failure root causes, redundant hardware setups, PLC logic monitoring, and maintenance strategies to maximize plant availability.
Why 24V DC Is the Universal Standard for Industrial Automation Power Supplies
Industrial manufacturing requires continuous uptime to prevent equipment damage. Unlike AC power, 24V DC circuits seamlessly integrate with UPS units and battery banks. During main grid failures, a 24V DC backup system instantly maintains PLC memory, instrument loops, and critical safety valves without interruption.