Allen-Bradley 1769-IQ16 – 16-Point 24VDC Digital Input Module | CompactLogix 1769 Series
Engineering Background
The 1769-IQ16 is part of Rockwell Automation’s CompactLogix 1769 Compact I/O family — a modular, DIN-rail-mounted I/O platform designed for tight integration with CompactLogix L-series controllers. Engineered for discrete signal acquisition in demanding industrial environments, this module delivers reliable 24VDC sink/source input capability across 16 independently addressable channels, making it a cornerstone component in machine-level and process-level automation architectures worldwide.
Product Positioning
Targeted at OEM machine builders, system integrators, and plant automation engineers, the 1769-IQ16 is the standard-density digital input solution within the CompactLogix ecosystem. It is the preferred choice when channel count, footprint efficiency, and seamless Studio 5000 / RSLogix 5000 integration are primary procurement criteria.
Complete Technical Specifications
- Catalog Number: 1769-IQ16
- Series: CompactLogix 1769 Compact I/O
- Manufacturer: Allen-Bradley / Rockwell Automation
- Module Type: Digital Input (D/I)
- Number of Input Points: 16
- Input Voltage: 24V DC (nominal)
- Input Voltage Range: 10–31.2V DC
- Input Current (ON state): 6 mA @ 24V DC
- ON-State Voltage Threshold: ≥ 10V DC
- OFF-State Voltage Threshold: ≤ 5V DC
- Input Type: Sink / Source (IEC Type 1)
- Isolation: 1500V AC (channel-to-backplane)
- Input Delay (OFF→ON): 0 ms (configurable filter: 1, 2, 9, 18 ms)
- Input Delay (ON→OFF): 0 ms (configurable filter: 1, 2, 9, 18 ms)
- Backplane Current Draw: 100 mA @ 5V DC
- Power Dissipation: 2.0 W (max)
- 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)
- Enclosure Rating: Open-type (requires enclosure)
- Wiring: Removable terminal block (RTB), 20-pin
- Wire Gauge: 14–22 AWG
- Module Width: 1 slot (CompactLogix 1769 bus)
- Dimensions (H × W × D): 118 mm × 35 mm × 87 mm
- Weight: Approx. 250 g
- Certifications: UL, CE, CSA, C-Tick, ATEX (Zone 2)
- Programming Software: Studio 5000 Logix Designer / RSLogix 5000
Proven Application Environments
- Discrete Manufacturing: Conveyor control, part-present detection, end-of-line testing stations
- Packaging Machinery: Sensor feedback aggregation, safety interlock monitoring
- Food & Beverage: Wash-down adjacent installations (within sealed enclosures), batch process control
- Automotive Assembly: Fixture confirmation, tooling position verification
- Water & Wastewater: Pump status monitoring, valve position feedback
- Oil & Gas (Zone 2): ATEX-rated installations for non-sparking environments
- Building Automation: HVAC control panels, access control integration
Engineering Advantages
- Configurable Input Filtering: Software-selectable filter times (0, 1, 2, 9, 18 ms) allow noise immunity tuning without hardware changes — critical for high-vibration environments.
- Sink/Source Flexibility: IEC Type 1 compatibility supports both NPN and PNP field devices without rewiring.
- High Channel Density: 16 points in a single 35 mm slot minimizes panel footprint and reduces per-channel cost.
- Removable Terminal Block: RTB design enables module replacement without disturbing field wiring — reducing MTTR in production environments.
- Native Studio 5000 Integration: Add-On Profiles (AOPs) provide auto-configuration, tag generation, and online diagnostics within the Logix environment.
- LED Status Indicators: Per-channel I/O status LEDs enable rapid field-level diagnostics without a laptop.
- 1500V AC Isolation: Robust channel-to-backplane isolation protects the controller from field-side transients and ground loops.
System Architecture & Signal Flow
The 1769-IQ16 mounts directly to the CompactLogix 1769 backplane (local or expansion chassis) and communicates via the proprietary 1769 Compact I/O bus. Field devices (proximity sensors, limit switches, pushbuttons) connect to the 20-pin RTB. Each input channel passes through a configurable digital filter before presenting a logic-level signal to the backplane. The controller maps input data to a 16-bit input word (I.Data[0]) accessible in the Logix tag database. Diagnostic bits (I.Fault, I.DiagnosticActive) are available for program-level fault handling.
Typical Wiring Topology: Field sensor (+) → Input terminal (Ix) | Common (–) → COM terminal | 24VDC supply → module power via backplane or local power supply (1769-PA2 / 1769-PB2).
Sourcing & Quality Verification
- Authenticity: All units sourced through verified industrial distribution channels. Konmask performs visual inspection, label verification, and functional screening prior to dispatch.
- Condition Options: New-in-box (NIB), Surplus New (unused, original packaging), Refurbished (tested to OEM spec) — specify requirement at inquiry.
- Traceability: Lot codes and date codes available upon request for quality-critical applications.
- Counterfeit Mitigation: Holographic label verification, PCB marking cross-check, and firmware version validation performed on all refurbished units.
- Warranty: 12-month operational warranty on all units shipped by Konmask.
Procurement Process
- Step 1 — Inquiry: Submit your BOM or part number via email or WhatsApp with required quantity and condition preference.
- Step 2 — Quote: Receive a formal quotation within 1 business day including unit price, lead time, and shipping options.
- Step 3 — Order Confirmation: Issue PO or confirm via email. Proforma invoice issued for prepayment orders.
- Step 4 — Dispatch: Units shipped via DHL / FedEx / SF Express with tracking. Export documentation (commercial invoice, packing list, COO) included.
- Step 5 — After-Sales: Technical support available post-delivery. Warranty claims processed within 5 business days.
Minimum Order Quantity: 1 unit | Lead Time: 1–7 business days (stock-dependent) | Payment Terms: T/T, PayPal, Trade Assurance
Technical FAQ
Q: Is the 1769-IQ16 compatible with CompactLogix L1, L2, L3, L4, and L5 controllers?
A: Yes. The 1769-IQ16 is compatible with all CompactLogix controllers that support the 1769 Compact I/O bus, including L23, L24, L27, L30, L31, L32, L33, L35, L43, and L45 series.
Q: Can I use this module with a MicroLogix controller?
A: No. The 1769 Compact I/O bus is exclusive to CompactLogix platforms. MicroLogix uses the 1762 (MicroLogix 1200/1500) or 1769 bus only via specific expansion modules — verify compatibility with your specific MicroLogix catalog number.
Q: What is the maximum number of 1769-IQ16 modules per system?
A: Limited by the controller’s I/O capacity and backplane current budget. Refer to the specific CompactLogix controller user manual for maximum local and expansion I/O slot counts.
Q: Does the module support diagnostics?
A: Yes. The module provides fault and diagnostic active bits accessible via the Logix tag database (I.Fault[x], I.DiagnosticActive[x]) for program-level fault handling.
Q: What field sensor types are compatible?
A: Any 24VDC discrete sensor with NPN (sinking) or PNP (sourcing) output — including inductive proximity sensors, photoelectric sensors, mechanical limit switches, and pushbuttons.
© 2026 Konmask.com. All rights reserved.
Original Source: https://Konmask.com
Contact: [email protected] | +0086 19859288691
