Product Details
Product Overview
The 1791-16BC functions as a high-density, standalone remote I/O interface for Allen-Bradley PLC and SLC control systems. By combining 16 discrete DC inputs and 16 discrete DC outputs into a single "Block" housing, this module eliminates the need for separate chassis-based I/O cards. It excels in distributed control architectures where localized signal processing reduces wiring overhead and assembly time. We provide this unit as 100% Brand New and factory-original, ensuring maximum operational life for your legacy infrastructure.
Technical Specifications
This module integrates both sensing and switching capabilities within a rugged, compact footprint.
| Feature | Specification |
| I/O Configuration | 32-Point Total (16 Input / 16 Output) |
| Voltage Category | DC Operation |
| Communication Interface | Remote I/O (RIO) Link |
| Module Type | Block I/O (Chassisless) |
| Indicators | Logic side status LEDs |
| Mounting | Panel Mount / DIN Rail |
| Wiring | Fixed terminal blocks |
Engineering Advantages
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Reduced Installation Footprint: The 1791-16BC integrates 32 I/O points without requiring a chassis or power supply module. This "Block" design saves significant cabinet space and allows engineers to mount I/O directly on the machine frame.
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Simplified Field Wiring: The module utilizes a logical terminal layout that separates inputs and outputs. This organization accelerates the commissioning process and prevents wiring errors during high-pressure maintenance windows.
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Ruggedized Remote Processing: Unlike standard rack-mounted cards, the 1791 series features a self-contained enclosure. This construction protects internal circuitry from industrial dust and localized vibration, making it ideal for decentralized mounting near field sensors.
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Legacy Continuity: By utilizing 100% Brand New stock, facilities can maintain older Remote I/O (RIO) networks without the compatibility risks or contamination issues often found in used or refurbished surplus hardware.
FAQs
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Does the 1791-16BC require a separate rack or chassis?
No. The 1791-16BC is a standalone Block I/O module. It mounts directly to a panel or DIN rail and connects to the processor via the Remote I/O blue hose link.
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How does the module handle fault diagnostics?
The front panel includes comprehensive LED indicators. These lights provide real-time status of the RIO communication link, internal module health, and individual I/O point activity for rapid troubleshooting.
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What is the benefit of a "Brand New" unit for a discontinued series?
Many 1791-16BC units on the market are "pulls" from active environments. Our 100% Brand New units feature pristine terminal blocks and zero-cycle internal components, preventing the intermittent communication failures common in aged equipment.
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Can this module interface with newer ControlLogix systems?
Yes, provided you utilize a 1756-DHRIO or 1756-RIO module in the ControlLogix rack. This allows the 1791-16BC to function as a remote drop within a modern control architecture.
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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