Allen-Bradley 1769-IF4I 4-Point Analog Input Isolated Module – CompactLogix 1769 Series
When a critical analog input module fails on the production floor, the consequences are immediate and severe: process variables go blind, PID loops lose their feedback, and automated safety interlocks can no longer respond to real-world conditions. Conveyor lines halt, batch processes abort mid-cycle, and every minute of unplanned downtime translates directly into lost revenue and potential safety incidents. The Allen-Bradley 1769-IF4I is the precision component that stands between your control system and that scenario — delivering isolated, high-accuracy analog signal acquisition that your CompactLogix system depends on to maintain continuous, reliable operation.
Within the CompactLogix 1769 Series ecosystem, the 1769-IF4I occupies a specialized position as a fully isolated analog input module, supporting both current (mA) and voltage (V) signal types across four independent channels. Unlike non-isolated counterparts, its channel-to-channel and channel-to-backplane isolation architecture eliminates ground loop interference — a critical requirement in industrial environments with long cable runs, variable grounding conditions, or high-noise machinery. Globally, the 1769 Series is one of the most widely deployed compact PLC platforms in discrete and process manufacturing, making the 1769-IF4I a high-demand spare part and system expansion component across industries from automotive to oil & gas.
Technical Specifications
- Part Number / SKU: 1769-IF4I
- Manufacturer: Allen-Bradley / Rockwell Automation
- Series: CompactLogix 1769
- Module Type: Analog Input, Isolated
- Number of Input Channels: 4 (individually isolated)
- Signal Types Supported: Current (mA) and Voltage (V)
- Isolation: Channel-to-channel and channel-to-backplane isolated
- Backplane Interface: CompactLogix 1769 right-end or left-end expansion
- Weight: Approx. 250 g
- Compliance: CE, UL, cUL (refer to Rockwell Automation product certifications)
Note: All specifications are sourced from Rockwell Automation official documentation. Konmask.com does not fabricate or modify technical parameters.
Key Features & Benefits
- Full Channel Isolation: Eliminates ground loops and common-mode noise, ensuring signal integrity in electrically noisy industrial environments.
- Dual Signal Compatibility: Accepts both current (mA) and voltage (V) inputs, reducing the need for signal converters and simplifying wiring.
- High-Resolution Analog Acquisition: Delivers precise process variable readings critical for PID control, quality monitoring, and safety systems.
- Compact 1769 Form Factor: Snap-on installation to any CompactLogix 1769 backplane — no additional mounting hardware required.
- Broad Sensor Compatibility: Works with thermocouples (via transmitters), pressure transducers, flow meters, level sensors, and other 4–20 mA / 0–10 V field devices.
- Rockwell Studio 5000 / RSLogix 5000 Integration: Native configuration via Rockwell software — no third-party drivers needed.
- Long Product Lifecycle: Part of the established 1769 platform with long-term Rockwell Automation support and broad spare parts availability.
Industry & Equipment Applications
- Automotive Manufacturing: Body shop weld current monitoring, paint oven temperature control, press force feedback.
- Food & Beverage: Batch process temperature and pressure acquisition, CIP flow monitoring, filling line level control.
- Oil & Gas / Petrochemical: Pipeline pressure and flow measurement, tank level monitoring, wellhead instrumentation.
- Water & Wastewater Treatment: pH, turbidity, dissolved oxygen sensor integration; pump station pressure monitoring.
- Pharmaceutical: Clean-room environmental monitoring, bioreactor parameter acquisition, validated process control.
- HVAC & Building Automation: Chiller and AHU analog sensor integration within CompactLogix-based BMS architectures.
- Material Handling: Conveyor tension and load cell signal acquisition, crane load monitoring.
System Integration & Compatible Parts
The 1769-IF4I is designed for seamless integration within the Allen-Bradley CompactLogix 1769 platform. Compatible and commonly paired components include:
- Controllers: 1769-L16ER-BB1B, 1769-L18ER-BB1B, 1769-L24ER-QB1B, 1769-L27ERM-QBFC1B, 1769-L30ER, 1769-L33ER, 1769-L36ERM
- Power Supplies: 1769-PA2, 1769-PB2, 1769-PA4, 1769-PB4
- Expansion Cables: 1769-CRR1, 1769-CRR3 (right-end expansion)
- End Caps: 1769-ECR (right end cap), 1769-ECL (left end cap)
- Related Analog Modules: 1769-OF4 (analog output), 1769-IF8 (8-channel analog input, non-isolated), 1769-IT6 (thermocouple/mV input)
- Programming Software: Studio 5000 Logix Designer v21+, RSLogix 5000
Our Quality Assurance Process
At Konmask.com, every Allen-Bradley 1769-IF4I module offered undergoes a structured sourcing and verification process before it reaches your facility:
- Authorized & Verified Supply Chain: We source from authorized distributors and verified industrial surplus channels with full traceability documentation.
- Visual & Physical Inspection: Each unit is inspected for label integrity, connector condition, housing damage, and counterfeit indicators prior to listing.
- Documentation Package: Original Rockwell Automation datasheets, installation instructions, and compliance certificates available upon request.
- Secure Packaging: Anti-static packaging with moisture barrier and shock-absorbing materials for safe international transit.
- Warranty Support: Warranty terms provided per order — contact us for details specific to new, surplus, or refurbished stock.
How to Order
- Submit an Inquiry: Use the contact form on this page or email [email protected] with your required quantity and delivery timeline.
- Receive a Quote: Our team will respond within 1 business day with pricing, lead time, and stock availability confirmation.
- Order Confirmation: Review and approve the proforma invoice; confirm shipping address and preferred freight method.
- Payment & Dispatch: Payment processed via T/T, PayPal, or other agreed methods; shipment dispatched with tracking number provided.
- After-Sales Support: Technical documentation and post-delivery support available from our engineering team.
Why Choose Konmask.com?
- Industrial Automation Specialists: We focus exclusively on PLC, DCS, and industrial control components — not a generalist marketplace.
- B2B-First Service: Tailored for procurement engineers, MRO buyers, and system integrators who need accurate specs, fast quotes, and reliable delivery.
- Global Shipping: Experienced in export documentation, customs compliance, and international freight for industrial components.
- Technical Depth: Our team includes engineers with hands-on experience in Rockwell Automation systems — we speak your language.
- Competitive Pricing: Direct sourcing relationships allow us to offer competitive pricing on both new and surplus Allen-Bradley inventory.
Frequently Asked Questions
Q: What is the difference between the 1769-IF4I and the 1769-IF8?
A: The 1769-IF4I provides 4 fully isolated analog input channels (channel-to-channel and channel-to-backplane isolation), making it ideal for applications with ground loop concerns or mixed signal sources. The 1769-IF8 offers 8 channels but without full channel isolation, suited for applications where all sensors share a common ground reference.
Q: Is the 1769-IF4I compatible with Studio 5000 Logix Designer?
A: Yes. The 1769-IF4I is natively supported in Studio 5000 Logix Designer (v21 and later) and RSLogix 5000. The module add-on profile (AOP) is available from Rockwell Automation’s Product Compatibility and Download Center (PCDC).
Q: Can the 1769-IF4I accept thermocouple signals directly?
A: No. The 1769-IF4I accepts standard analog current (mA) and voltage (V) signals. For direct thermocouple input, the 1769-IT6 module is the appropriate choice. Thermocouple signals can be connected to the 1769-IF4I via a signal transmitter/conditioner that converts to 4–20 mA or 0–10 V.
Q: Do you provide a Certificate of Conformance (CoC) with the 1769-IF4I?
A: Yes, upon request. Please specify your documentation requirements when submitting your inquiry and we will include the relevant certificates with your shipment.
Q: What is the lead time for the Allen-Bradley 1769-IF4I?
A: Lead time depends on current stock levels. In-stock units typically ship within 2–3 business days. For larger quantities or specific firmware revisions, please contact us for a confirmed lead time.
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