Allen Bradley 1756-IB16 is a 16-point DC digital input module for ControlLogix rack. It receives 24V DC discrete signals from field sensors and switches, offers channel isolation and LED status indicators, transfers digital signals to the controller over the backplane for industrial on-off signal acquisition.
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1756-IB16
Allen Bradley
The Allen‑Bradley 1756‑IB16 Digital PLC Input Module — a 16‑point 10‑31V DC sinking discrete input module purpose‑built for Allen‑Bradley 1756 ControlLogix PLC automation control systems — collects DC digital field signals, converts field switch status into backplane‑compatible digital data for PLC logic processing in industrial automation applications. Designed for discrete manufacturing, material handling, water‑wastewater treatment, petrochemical processing, and critical process industries, the Allen‑Bradley 1756‑IB16 Digital PLC Input Module integrates DC signal conditioning circuitry, group‑to‑backplane optical isolation, backplane interface circuitry, multi‑channel status LED indicators and configurable input filter logic, ensuring reliable digital signal acquisition across all operating conditions.
The Allen‑Bradley 1756‑IB16 Digital PLC Input Module accepts 10‑31V DC nominal 24V DC sinking field input signals, connects to 1756 ControlLogix chassis backplane, works with compatible ControlLogix processors and 20‑pin removable terminal blocks, and operates across a wide industrial temperature range of 0 °C to +60 °C. The Allen‑Bradley 1756‑IB16 Digital PLC Input Module carries industrial EMC compliance certification for heavy‑duty workshop environments, fully complying with UL, CE and relevant international industrial control equipment standards. Whether deployed for local cabinet signal acquisition, distributed remote I/O application or spare‑part replacement for legacy automation systems, the Allen‑Bradley 1756‑IB16 Digital PLC Input Module delivers the dependable 24V DC discrete input capability that ControlLogix automation systems demand.
Part Number | 1756-IB16 |
Manufacturer | Allen Bradley |
System Compatibility | Allen‑Bradley 1756 |
Country of Origin | USA |
Product Condition | 100% New & Original |
Operating Temperature Range | 0 °C to +60 °C (32 °F to +140 °F) |
Lead Time | 2-3 business days after payment confirmation |
Warranty | 1 year |
Shipping Carriers | DHL, FedEx, UPS, TNT, EMS |
Contact:Cheryl Qi |
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The Allen‑Bradley 1756‑IB16 Digital PLC Input Module stands out from comparable discrete input modules in several key areas.
High‑density 16‑point DC sinking input design. The Allen‑Bradley 1756‑IB16 Digital PLC Input Module provides 16 DC sinking input channels within one ControlLogix slot, the Allen‑Bradley 1756‑IB16 Digital PLC Input Module saves valuable cabinet rack space for multi‑signal acquisition applications.
User‑configurable input filter function. The Allen‑Bradley 1756‑IB16 Digital PLC Input Module supports multiple selectable filter time settings, the Allen‑Bradley 1756‑IB16 Digital PLC Input Module suppresses field electrical noise and contact bounce for stable signal reading.
Group‑based electrical isolation. The Allen‑Bradley 1756‑IB16 Digital PLC Input Module provides 250V continuous isolation between two input groups and ControlLogix backplane, the Allen‑Bradley 1756‑IB16 Digital PLC Input Module reduces interference propagation from field DC circuits to PLC internal circuitry.
Channel‑by‑channel LED status indication. The Allen‑Bradley 1756‑IB16 Digital PLC Input Module features individual LED indicators for every input channel, technicians can quickly check on‑off status of each connected field device of the Allen‑Bradley 1756‑IB16 Digital PLC Input Module without additional measuring instruments.
Native ControlLogix backplane integration. As a factory‑original I/O module of Allen‑Bradley 1756 series, the Allen‑Bradley 1756‑IB16 Digital PLC Input Module directly plugs into 1756 chassis and works with 20‑pin removable terminal blocks, configured via RSLogix 5000 software without conversion adapters.
Factory Discrete DC Signal Acquisition. 24V DC sinking discrete input module within Allen‑Bradley 1756 ControlLogix PLC systems, the Allen‑Bradley 1756‑IB16 Digital PLC Input Module collects status signals from PNP pushbuttons, limit switches, relay auxiliary contacts and field‑mounted DC‑type sensors.
Material Handling and Conveyor Control. The Allen‑Bradley 1756‑IB16 Digital PLC Input Module acquires limit‑switch and safety‑device feedback signals for conveyor systems inside manufacturing facilities.
Water‑Wastewater Treatment Plant I/O System. The Allen‑Bradley 1756‑IB16 Digital PLC Input Module monitors pump and valve auxiliary feedback contacts for water‑process automation cabinets.
Legacy ControlLogix System Spare Replacement. The Allen‑Bradley 1756‑IB16 Digital PLC Input Module is stocked as spare replacement unit for existing 24V DC input‑based ControlLogix automation installations.
Industrial Automation Turnkey Project Field Signal Interface. The Allen‑Bradley 1756‑IB16 Digital PLC Input Module serves as standard DC discrete input interface for ControlLogix‑based automation solutions.
The Allen‑Bradley 1756‑IB16 Digital PLC Input Module holds the following international safety and compliance approvals:
• UL listed — North‑American industrial control equipment safety approval.
• CE certification — European industrial control equipment safety and EMC compliance.
• C‑Tick marked — EMC compliance for Australian and New Zealand markets.
• Class I Division 2 certified — Suitable for installation in specified hazardous classified locations.
All modules supplied are 100% new original Allen‑Bradley parts. Every Allen‑Bradley 1756‑IB16 Digital PLC Input Module unit is functionally tested before dispatch, packed in professional anti‑static packaging, and covered by a one‑year warranty from the date of delivery.
Get the Allen Bradley 1756-IB16 with fast worldwide delivery — in‑stock units ship within 2‑3 business days of payment confirmation.
• Email: chen@htechplc.com
• WhatsApp / Phone: +86-181-5013-7565
• Shipping carriers: DHL, FedEx, UPS, TNT
Why buy from us:
• 100% new and original Allen‑Bradley 1756 series parts including the Allen‑Bradley 1756‑IB16 Digital PLC Input Module
• Every product tested before shipment
• Professional anti-static packaging
• One‑year warranty on all units
• Free online quotes and 24/7 technical support
• Competitive pricing with fast global delivery