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Specifications

Allen-Bradley 1756-IF16

Introduction: The Allen-Bradley 1756-IF16 ControlLogix Analog Input Module is a premium process-grade signal monitoring element engineered and manufactured 100% in the United States (US) by Rockwell Automation. In complex, continuous automated process loops, recording real-time physical variable shifts with extreme precision is critical to plant execution. The 1756-IF16 module serves as the primary digitization gateway, transforming raw analog voltage or current signals from field instrumentation into high-fidelity digital register arrays transmitted via the chassis backplane to execute sophisticated supervisory loop calculations (PID).

The 1756-IF16 variant scales system adaptability with a high-density matrix, supporting configurations up to 16 independent single-ended inputs or 8 noise-immune differential inputs. This versatile card interfaces natively with industry-standard control signaling scales including Voltage (-10 to +10V, 0-10V, 0-5V, 1-5V) and Current (0-20 mA, 4-20 mA). Backed by an onboard ADC converter engine delivering up to 16-bit resolution, it yields exceptional accuracy metrics to map out trace industrial metric variations. Complete with user-programmable digital notch filtering to damp out parasitic plant electrical noise and automatic internal scaling to direct engineering units, it significantly unburdens central CPU processing cycles. Additionally, full Removal and Insertion Under Power (RIUP) capability ensures field teams can execute hot-swap asset service procedures safely without shutting down live plant sub-grids.

Key Features & Technical Specifications:

Manufacturer: Allen-Bradley / Rockwell Automation
Product Series: ControlLogix Analog I/O Hardware Family
Model Code: 1756-IF16
Device Type: High-Density Analog Voltage / Current Input Module
Channels Capacity Layout: 16 single-ended inputs, 8 differential inputs, or 4 differential high-speed channel structures.
Signal Range Compatibility: * Voltage Scales: ±10V, 0...10V, 0...5V, 1...5V.
- Current Loops: 0...20 mA, 4...20 mA.
Digital Conversion Resolution: 16-bit capability for elite tracking resolution.
Signal Processing Capabilities: Integrated software-configurable digital notch filters, open-wire line fault mapping, and over-range/under-range data clipping diagnostics.
Mechanical Integration: Standard slide-in plug-and-play profile tailored for any open slot assignment inside a 1756 chassis rack. Interfaces field wire drops via a dedicated Removable Terminal Block assembly (RTB, such as 1756-TBCH or 1756-TBNH, sourced separately).
Country of Origin: 100% Made in the United States.