Allen Bradley 1756-IF16 Programmable Logic Controller PLC With 16 Bit Resolution

The 1756‑IF16 is a high‑density universal analog input expansion module designed exclusively for Rockwell ControlLogix PLC systems. It collects analog voltage and current signals from on‑site industrial field transmitters, pressure sensors, temperature transmitters, flow meters, level sensors and variable analog measuring equipment, then converts continuous analog signals into digital 16‑bit data for the PLC CPU to process, calculate, monitor and realize closed‑loop automatic control. This module supports flexible wiring modes: 16 single‑ended inputs, 8 differential anti‑noise inputs, or 4 high‑speed differential inputs to adapt to different industrial interference environments. Compatible with standard industrial signal ranges: ±10V, 0–5V, 0–10V, 0–20mA, 4–20mA. It acts as the signal acquisition bridge between field analog measuring devices and the ControlLogix PLC controller, widely used for process parameter monitoring in automated production and process industries.

• 📈 16‑Bit Resolution Icon Ultra‑Precise Signal Sampling

  16‑bit ADC high precision conversion, tiny single‑step resolution, accurately capture micro changes of pressure, flow, temperature and liquid level; eliminate measurement dead zone and control deviation.

• 🔌 Multi‑Wiring Mode Icon Flexible Wiring Configuration

  3 selectable wiring schemes: single‑ended, standard differential, high‑speed differential; differential wiring effectively suppresses industrial electromagnetic common‑mode noise, stable signal in heavy interference workshops.

• 📊 16 Channel Density Icon Space‑Saving High Density Layout

  16 analog input channels occupy only one chassis slot, reduce cabinet quantity and wiring cost vs low‑density 4/8‑point analog modules.

• 🛡️ Isolation Shield Icon Channel‑to‑Backplane Isolation

  1500V AC isolation between analog input channels and PLC backplane bus; block surge, ground loop interference and avoid mainframe damage caused by field short circuit.

• 💡 LED Diagnostic Icon Independent Channel Status Indicator

  Separate LED for each channel, real‑time display signal active, open circuit, overrange and module fault status; rapid on‑site troubleshooting without extra testing instruments.

• 🌡️ Wide Temperature Icon Harsh Environment Adaptability

  Operating temperature range: -20℃ ~ +60℃, stable operation in high‑temperature workshops, cold storage and semi‑outdoor industrial equipment.

• ⚙️ Removable Terminal Block Icon Convenient Maintenance & Wiring Match

  Match 1756‑TBCH / 1756‑TBS6H detachable spring terminal base; replace module without re‑wiring field cables, greatly shorten equipment downtime.

• 📜 Global Certificate Icon Full ECER & EU Standard Compliance

  UL, CE, ATEX, FM, RoHS certified; all labels, test reports and packaging fully meet ECER cross‑border electronic industrial equipment customs inspection requirements.

• 🔒 Reverse Polarity Protection Icon Built‑in Circuit Safety Design

  Integrated reverse connection, overvoltage and overcurrent protection circuits; prevent module burnout caused by wrong field wiring operation.

1. CE: LVD 2014/35/EU, EMC 2014/30/EU, comply with EN 61131‑2, EN 61326‑1 industrial standard
2. UL/cULus: Industrial control equipment & Class I Division 2 hazardous location certification
3. ATEX / FM: Explosion‑proof certification for chemical, oil & gas hazardous workshops
4. EU RoHS 2011/65/EU: Hazardous substance content within EU limit values
5. Full set COO, test report, conformity certificate available for customs clearance

1. Chemical & Petrochemical Industry Collect pressure, flow, liquid level, temperature analog signals of reactors, pipelines and storage tanks; realize process closed‑loop monitoring and safety interlock control.
2. Water Treatment & Environmental Protection Equipment Monitor water pH, dissolved oxygen, flow rate, tank liquid level transmitters for sewage, tap water and wastewater treatment lines.
3. Food & Beverage Production Lines Collect temperature, pressure, weight analog signals of filling, sterilization, mixing and packaging equipment.
4. Energy & Power Plant Automation Monitor boiler temperature, steam pressure, water level, generator auxiliary measuring analog parameters.
5. Automotive Assembly & Welding Lines Collect analog signals of pressure sensors, displacement transmitters for fixture clamping and positioning detection.
6. Pharmaceutical Machinery Precise temperature, pressure and flow signal acquisition for sterile production, mixing and filling equipment.
7. Metallurgy & Mining Equipment Monitor furnace temperature, hydraulic pressure, material level analog measuring points in smelting and conveying systems.

1. Application Scene Reference Picture ControlLogix PLC cabinet installed on factory production line; 1756‑IF16 module plugged into chassis, field pressure/flow transmitters wired to analog input terminals for real‑time process signal collection.
2. Warehouse Stock Reference Picture Original factory anti‑static independent carton packaging with shockproof foam buffer; classified storage in automation electronic component warehouse, dedicated Rockwell ControlLogix I/O storage zone, complete batch traceability, export fumigation carton packaging, fully satisfy ECER warehouse audit and cross‑border customs inspection standards.

1. The 1756‑IF16 analog input module fully complies with EU electronic industrial equipment inspection rules; all technical parameters, safety certifications, product labels and export outer packaging meet European import supervision regulations.
2. Strictly implement EU RoHS directive; all heavy metal and restricted hazardous substances test results within EU threshold limits, no environmental compliance risks.
3. Built‑in safety isolation and overvoltage protection circuit conform to EU machinery safety standard EN 60204‑1, short‑circuit or equipment damage hidden dangers under normal operation and wiring fault conditions.
4. Export cartons printed with clear brand, model, origin, net/gross weight, electrical safety warning marks, consistent with  commodity marking and traceability management requirements.
5. Complete supporting documents including certificate of origin, CE/UL test reports, RoHS compliance declaration can be provided to customs for clearance review.

• Net Weight per piece: 0.45 KG
• Single unit original package Gross Weight: 0.52 KG
• Product English Short Description for Invoice: Allen‑Bradley Analog Input Module Model 1756‑IF16, 16‑Channel 16Bit Resolution PLC I/O Module, ControlLogix Series