Allen-Bradley 1769-IA16 120VAC Digital Input Module – CompactLogix 1769 Series
Imagine a high-speed packaging line suddenly halting mid-shift — not because of a mechanical failure, but because a single digital input module failed to register the 120VAC signals from field sensors. Conveyor belts stop, alarms go unacknowledged, and every minute of downtime translates directly into lost production and costly emergency maintenance calls. The Allen-Bradley 1769-IA16 exists precisely to prevent this scenario. As the critical interface between your 120VAC field devices and the CompactLogix controller, it ensures that every pushbutton press, limit switch trip, and proximity sensor signal is captured reliably — keeping your process running without interruption.
Within the CompactLogix 1769 I/O family, the 1769-IA16 occupies a well-established position as the standard 16-point AC digital input solution for mid-range automation systems. Its 120VAC input rating makes it the natural choice for facilities operating legacy field wiring infrastructure — a reality in the vast majority of North American and international industrial plants. Backed by Rockwell Automation’s global installed base of millions of CompactLogix systems, the 1769-IA16 is one of the most widely deployed discrete input modules in the world, with proven reliability across automotive, food & beverage, water treatment, and general manufacturing environments.
Technical Specifications
- Catalog Number: 1769-IA16
- Series: CompactLogix 1769 I/O
- Manufacturer: Allen-Bradley / Rockwell Automation
- Number of Input Points: 16
- Input Voltage: 120VAC (nominally 100–132VAC)
- Input Type: Discrete (Digital) AC Input
- Signal Frequency: 47–63 Hz
- Input Current (ON state): 6 mA minimum at 120VAC
- OFF-State Voltage Max: 20VAC
- ON-State Voltage Min: 74VAC
- Isolation: 1500VAC optical isolation (field side to backplane)
- Module Width: Single-slot (1769 compact I/O bus)
- Operating Temperature: 0°C to 60°C (32°F to 140°F)
- Storage Temperature: -40°C to 85°C
- Relative Humidity: 5–95% non-condensing
- Backplane Current Draw: 120mA @ 5VDC
- Weight: Approx. 200g
- Certifications: UL, CE, CSA
Key Features & Benefits
- 16 Independent AC Input Channels: Maximizes I/O density in a single compact slot, reducing panel space and wiring complexity.
- 120VAC Compatibility: Directly interfaces with standard North American and international 120VAC field devices — no signal converters required.
- Optical Isolation: 1500VAC isolation between field wiring and the controller backplane protects the CPU from voltage transients and electrical noise common in industrial environments.
- LED Status Indicators: Per-channel green LEDs provide instant visual diagnostics, enabling rapid fault identification without a laptop or programming tool.
- Hot-Swap Capable: Supports removal and insertion under power (RIUP) when used in appropriate system configurations, minimizing planned downtime.
- Compact 1769 Bus Architecture: Plug-and-play integration with all CompactLogix L1x, L2x, L3x, and L4x controllers via the 1769 compact I/O bus.
- Rockwell Automation Ecosystem: Fully configurable in Studio 5000 Logix Designer with automatic module recognition and tag generation.
Industry & Equipment Applications
- Automotive Manufacturing: Body-in-white welding lines, assembly conveyor control, end-of-line test stations
- Food & Beverage: Bottling lines, pasteurization systems, packaging machinery with 120VAC sensor arrays
- Water & Wastewater Treatment: Pump station monitoring, valve position feedback, level switch inputs
- Oil & Gas: Wellhead control panels, pipeline monitoring stations, compressor skid automation
- Material Handling: Conveyor systems, sortation equipment, palletizing cells
- Building Automation & HVAC: Air handling unit control, chiller plant management, BMS integration
- General Discrete Manufacturing: Any application requiring reliable 120VAC digital signal acquisition in a CompactLogix environment
System Integration & Compatible Parts
The 1769-IA16 integrates seamlessly within the Allen-Bradley CompactLogix ecosystem. Common companion modules and controllers include:
- Controllers: 1769-L16ER-BB1B, 1769-L18ER-BB1B, 1769-L24ER-QB1B, 1769-L30ER, 1769-L33ER, 1769-L36ERM
- Digital Output Modules: 1769-OA16 (120/240VAC Output), 1769-OB16 (24VDC Output)
- Analog I/O: 1769-IF4 (Analog Input), 1769-OF4 (Analog Output)
- Communication Adapters: 1769-ADN (DeviceNet), 1769-SDN (DeviceNet Scanner)
- Power Supplies: 1769-PA2 (120/240VAC), 1769-PB2 (24VDC)
- End Caps: 1769-ECR (right end cap), 1769-ECL (left end cap)
- Programming Software: Studio 5000 Logix Designer v21 and above
Our Quality Assurance Process
At Konmask.com, every Allen-Bradley 1769-IA16 module we supply undergoes a rigorous multi-stage verification process before shipment:
- Authenticity Verification: Visual inspection of Rockwell Automation holographic labels, date codes, and catalog markings against manufacturer standards.
- Functional Testing: Each module is bench-tested for correct backplane communication and input channel response prior to packaging.
- Condition Grading: Modules are clearly graded as New (factory-sealed), Surplus New (unused, open box), or Refurbished (tested, restored to spec) — no ambiguity.
- ESD-Safe Packaging: All modules are shipped in anti-static bags with foam cushioning to prevent damage in transit.
- Documentation: Test reports and certificates of conformance available upon request for critical applications.
How to Order
- Submit an inquiry via the “Get a Quote” button on this page, or email [email protected] directly.
- Provide your required quantity, preferred condition grade (New / Surplus / Refurbished), and any urgency requirements.
- Our team will respond within 24 business hours with availability, lead time, and a formal quotation.
- Upon order confirmation, we arrange payment via T/T (bank transfer), PayPal, or other agreed methods.
- Modules are shipped via DHL, FedEx, or UPS with full tracking and export documentation.
Why Choose Konmask.com?
- Industrial Automation Specialists: We focus exclusively on PLC, DCS, and automation hardware — not a general electronics marketplace.
- Global Sourcing Network: Access to both factory-fresh and hard-to-find surplus Allen-Bradley inventory from verified suppliers worldwide.
- Technical Expertise: Our team includes engineers with hands-on CompactLogix experience who can advise on compatibility and system integration.
- Fast Response: Dedicated B2B inquiry handling with quotes typically returned within one business day.
- Transparent Grading: Clear condition descriptions — no misleading “like new” language.
- Export Compliance: Full export documentation, commercial invoices, and packing lists provided for international shipments.
Frequently Asked Questions
Q: Is the 1769-IA16 compatible with all CompactLogix controllers?
A: The 1769-IA16 is compatible with all controllers that support the 1769 Compact I/O bus, including the CompactLogix L1x, L2x, L3x, and L4x families. Always verify your controller’s I/O capacity and slot configuration in Studio 5000 before ordering.
Q: What is the difference between the 1769-IA16 and the 1769-IA8I?
A: The 1769-IA16 provides 16 non-isolated 120VAC input points sharing a common, while the 1769-IA8I provides 8 individually isolated 120VAC input points. Choose the IA8I when your application requires channel-to-channel isolation for safety or signal integrity reasons.
Q: Can the 1769-IA16 be used with 240VAC field devices?
A: No. The 1769-IA16 is rated for 120VAC inputs only (100–132VAC range). For 240VAC applications, the correct module is the 1769-IA16I or 1769-OA16 (output). Using 240VAC on a 120VAC-rated module will damage the module and void any warranty.
Q: Do you supply the 1769-IA16 with a warranty?
A: Yes. New and Surplus New modules carry the original manufacturer warranty where applicable. Refurbished modules carry a Konmask.com 90-day functional warranty. Contact us for details.
Q: How quickly can you ship the 1769-IA16?
A: In-stock modules typically ship within 1–3 business days of order confirmation. Express shipment options (DHL Express, FedEx Priority) are available for urgent requirements.
Q: Can I request a datasheet or technical documentation?
A: Yes. The official Allen-Bradley 1769-IA16 User Manual (Publication 1769-UM011) is available from Rockwell Automation’s literature library. We can also provide our internal test reports upon request.
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