1756-IV16 Allen-Bradley ControlLogix 16-Channel DC Input Module
Manufacturer: Allen-Bradley
Product No.: 1756-IV16
Condition： In stock
Product Type: DC Input Module
Payment: T/T, Western Union
Weight: 420g
Shipping port: Xiamen
Warranty: 12 months
Estimate delivery times: 12-26 days (International), 3-6 days (United States).
Return within 30 days of purchase. Duties & taxes are non-refundable.
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Global PLC Spare HUB's Insight
The 1756-IV16 digital DC input module delivers dependable sourcing signal collection for high-density automation architectures. During a recent system expansion at a high-speed automotive assembly plant, this 1756-IV16 unit flawlessly processed rapid sensor transitions without missing data packets. Controls engineers value its configurable filter times and robust 10-30 VDC operating range, which effectively dampens electrical noise induced by heavy inductive loads on the factory floor.
Product Overview & Configuration Breakdown
| System Component | Technical Specification |
|---|---|
| Manufacturer | Rockwell Automation |
| Brand | Allen-Bradley |
| Series | ControlLogix |
| Model / Catalog Number | 1756-IV16 |
| Module Type | Digital Sourcing DC Input Module |
| Channel Configuration | 16 inputs total, arranged with 8 points per group |
| Required Terminal Block | Removable Terminal Block (RTB) housing: 1756-TBNH or 1756-TBSH |
| UPC Identification | 10612598264343 |
Technical Specifications Matrix
| Engineering Parameter | Module Specification |
|---|---|
| Nominal Voltage | 24 Volts DC (Source voltage category: 12/24 Volts DC) |
| Operating Voltage Range | 10 to 30 Volts DC |
| On-State Current Range | Minimum 2 mA at 10 VDC to maximum 10 mA at 30 VDC |
| Off-State Limits | Maximum 5 Volts DC and maximum 1.5 mA current |
| Input Impedance | Maximum 3.2 kΩ at 30 Volts DC |
| Input Delay (Off to On) | Hardware delay (280 µs nom, 1 ms max) plus user filter time (0, 1, or 2 ms) |
| Input Delay (On to Off) | Hardware delay (540 µs nom, 2 ms max) plus user filter time (1, 2, 9, or 18 ms) |
| Power & Thermal Dissipation | Max 5.41 W at 60°C; Thermal dissipation: 18.47 BTU/hour |
| Backplane Draw | 110 mA at 5 Volts DC, 2 mA at 24 Volts DC (Total power: 0.61 W) |
| Isolation Voltage | 250 Volts continuous isolation |
Compatible Hardware and Deployment Environments
- Compatible with standard Allen-Bradley ControlLogix 1756 chassis slots.
- Requires a 1756-TBNH or 1756-TBSH removable terminal block for field wiring connection.
- Ideal for discrete signal interfacing in automated packaging lines and material handling systems.
- Designed for industrial control panels requiring high-density DC sensor state monitoring.
Advanced Diagnostic Capabilities
- Selectable input filter times allow engineers to filter out high-frequency transient noise.
- Continuous backplane monitoring ensures instantaneous reporting of module communication states.
- Off-state current threshold protection safeguards circuitry against residual voltage leakage.
Logistics, Fulfillment, and Warranty
- Shipping Logistics: Worldwide express shipping fulfilled via FedEx, UPS, and DHL.
- Dispatch Window: Guaranteed order processing and dispatch within 24 to 48 hours.
- Warranty Assurance: Backed by a comprehensive 12-month quality warranty from Global PLC Spare HUB.
Frequently Asked Questions
Why is selecting the correct RTB housing (1756-TBNH or 1756-TBSH) mandatory for the 1756-IV16?
The module itself does not contain built-in terminals; an RTB housing must be securely attached to the 1756 chassis interface to safely terminate all 16 field input wires.
How do programmable input filters affect the overall response time of the module?
User-selectable filter times add directly to the base hardware delay, allowing engineers to balance noise immunity against response speed for fast-acting sensors.
What happens if the input voltage drops below the 10 VDC minimum threshold during operation?
Voltages falling below 10 VDC enter the undefined or off-state region, causing the input point to register as a logical zero in the controller program.
Buying Guide: When should an integrator choose a sourcing input module like this over a sinking variant?
Select a sourcing module when your 3-wire or 4-wire DC field sensors provide positive-switching output signals that require current to flow into the module terminal.
How can technicians calculate total thermal load inside a sealed control cabinet containing this module?
Use the maximum power dissipation rating of 5.41 Watts (or 18.47 BTU/hour) at 60°C to size cabinet air conditioning and cooling fans accurately.
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Q: Are these parts 100% original and new?
A: Yes. Every component is guaranteed to be 100% original, brand-new, and factory-sealed. We also provide a 12-month comprehensive warranty for your peace of mind.
Q: How fast is the shipping to my country?
A: For in-stock items, we offer same-day dispatch. International express shipping (DHL/FedEx/UPS) typically delivers within 3–5 business days worldwide.
Q: Can I get a formal quotation with shipping costs?
A: Absolutely. Our sales team is ready to provide a detailed Proforma Invoice (PI) including the most competitive shipping rates for your location.
Q: Do you offer discounts for bulk orders?
A: We provide volume-based pricing for large projects or multiple-item orders. Please contact us to get our Best Price Guarantee.
12-Month Comprehensive Warranty
Every part supplied by Global PLC Spare Hub is covered by a 12-month warranty from the date of invoice.
- Coverage: Functional defects and hardware failures under normal operating conditions.
- Commitment: We provide immediate repair, replacement, or a full refund for any verified defective components to minimize your operational downtime.
Returns & Exchange Policy
We offer a 30-day return policy to ensure you receive the exact part your system requires.
- Eligibility: Returns are accepted for uninstalled items in their original, factory-sealed packaging.
- RMA Process: Please contact our support team to obtain a Return Merchandise Authorization (RMA) number before shipping.
- Fast Processing: Refunds or exchanges are processed within 3–5 business days after the returned item passes our technical inspection.
Need Technical Assistance?Not sure if this part is compatible with your system? [Consult our Engineers] before purchasing to ensure 100% compatibility.
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