Product Details
Overview
The Allen-Bradley 1747-DCM is a high-performance Direct Communication Module designed for SLC 500 controllers. It enables robust Remote I/O (RIO) communication with reliable speed and signal integrity, supporting standard and non-extended node operation modes.
Technical Specifications
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Manufacturer: Allen-Bradley
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Series / Product Line: SLC 500
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Model / Part Number: 1747-DCM
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Module Type: Direct Communication Module (DCM)
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Weight: 1.00 lb (0.45 kg)
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Operating Temperature: 0°C to 60°C (32°F to 140°F)
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Supported Protocol: Remote I/O (RIO)
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Transmission Rates: 57.6K baud up to 10,000 ft; 115.2K baud up to 5,000 ft
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Communication Cable: Belden 9463 or equivalent
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Terminating Resistor: 82 Ω or 150 Ω
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Compatible Controllers: SLC 500 Fixed and Modular style
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Operation Modes: Standard and Non-Extended Node
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LED Indicators: FAULT, COMM
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Backplane Current: 360 mA @ 5VDC
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Communication Port: Universal Remote I/O Adapter
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Connector Type: 6-Pin Phoenix Connector
Key Features
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Enables direct communication between SLC 500 controllers and remote I/O networks
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Supports long cable runs up to 10,000 ft with adjustable baud rates
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LED status indicators for fault and communication monitoring
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Compatible with standard SLC 500 fixed and modular controllers
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Compact form factor suitable for chassis-based installation
Application Scenarios
The 1747-DCM is ideal for:
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Remote I/O communication in distributed control systems
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Applications requiring reliable high-speed data transmission over long cable runs
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Integration with both modular and fixed SLC 500 controllers
Similar Model Comparison
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1747-DCM – Standard Direct Communication Module for SLC 500
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1747-DCMA – Advanced DCM with extended node support
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1747-DCM/B – Optional variants with enhanced baud rate and signal diagnostics
FAQs
Q: Which cable types are recommended for this module?
A: Belden 9463 or any equivalent shielded twisted-pair cable.
Q: Can it operate on extended node SLC 500 systems?
A: Supports standard and non-extended node modes; extended nodes require advanced variants.
Q: What indicators are available for module status?
A: FAULT and COMM LEDs provide immediate operational feedback.
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
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