ABB  57160001-KX – High-Density Digital I/O Module for CompactLogix Systems

If you’re upgrading or maintaining a CompactLogix control system, the 57160001-KX is one of those modules that tends to fly under the radar—but it delivers where it counts. It’s a high-density digital input module designed specifically for environments where space is tight but reliability can’t be compromised. From my experience, this model typically shows up in packaging lines, material handling systems, and automated assembly cells where consistent signal monitoring matters.

Key Features

• 32-point DC sink/source input – Offers flexibility in wiring configurations; works with both PNP and NPN sensors without requiring external adapters.
• Compact design fits 1769 Compact I/O architecture – One thing I appreciate is how it slots neatly into tight backplanes, saving cabinet real estate compared to larger rack systems.
• Integrated status indicators per channel – Makes troubleshooting faster. You might notice that during commissioning, having individual LED feedback cuts diagnostic time significantly.
• Supports Change-of-State (COS) detection – Useful in applications needing fast response to sensor transitions, like safety interlocks or conveyor jam detection.
• Designed for use with 1768-Lxxx and 1769-Lxxx controllers – Seamless integration into existing Rockwell Automation ecosystems, which simplifies programming and reduces configuration errors.

Technical Specifications

Application Fields

This module seems to be most commonly deployed in mid-scale automation setups—particularly in food and beverage processing lines where washdown-rated controls aren’t needed but density and uptime are critical. It also appears in warehouse sortation systems, where multiple photoelectric sensors feed status data back to a central PLC. In many cases, users replace older discrete relay-based inputs with this module to reduce panel clutter and improve diagnostics.

Advantages & Value

Procurement teams tend to favor this model because it avoids licensing fees or proprietary software dependencies—it just works within Studio 5000. The compatibility with standard M12-to-terminal block cabling also helps keep spare part inventories lean. While not the fastest scanning module on the market, its stability over long runtimes makes it a solid choice for operations that prioritize mean time between failures (MTBF) over microsecond response times.

Installation & Maintenance

Install in a clean, dry enclosure meeting NEMA 1 or IP20 standards. Ensure adequate spacing around the module—especially above and below—for heat dissipation, even though it generates minimal thermal load. Use shielded twisted-pair wires for input circuits when running near VFDs or other noise sources. For maintenance, periodic visual inspection of terminal blocks and firmware validation (via Connected Components Workbench) every six months typically suffices. No field calibration is required, but checking input threshold voltages annually can prevent erratic behavior in aging installations.

Quality & Certifications

Certified to CE, UL Class I Division 2, and RoHS standards. Built in Rockwell’s Singapore facility, which follows ISO 9001-compliant manufacturing processes. Comes with a standard 365-day warranty covering defects in materials and workmanship. Firmware updates are available through Rockwell’s public support portal and do not require service contracts.

Our Order Placement Process & Guarantees

• Warranty: 365 days from date of delivery
• Delivery time: 1 week for in-stock units; no more than one month if backordered
• Payment method: 50% advance payment, balance due before shipment
• Express delivery: FedEx, UPS, or DHL (account number provided by buyer or billed at checkout)