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Allen-Bradley 1756-IB32 ControlLogix Digital Input – Ready to Ship

In stock: 1756-IB32 ControlLogix digital input module, 32-point 12/24V DC (10…31.2V DC) sink/source inputs. NJT Automation has 1 unit available in Milwaukee, WI, ready to ship or available for local pickup. Includes a one-year full-function warranty.

$249.99USD

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Part Number1756-IB32
DescriptionControlLogix digital input module, 32-point, 12/24V DC. In stock in unused surplus condition, Series A.
Shipping
Ships today UPS Ground included | Next-Day Air and Worldwide Shipping available at checkout
Pickup
Free local pickup at 2122 N Prospect Ave. Call ahead at (414) 331-5954.
Warranty
1-year full-function warranty provided by NJT Automation.
Warranty details
Included
1 year, full-function
2 years
+15% of product price ($37.50)
3 years
+25% of product price ($62.50)
View full warranty policy
Returns
90-day free returns. View return policy
Exchange

Send us your defective 1756-IB32 after your purchase for a 10% core credit ($25). We also purchase old or damaged parts outright.

Replacement Options for 1756-IB32

In stock and ready to ship today

Allen Bradley 1756-IV16 Ser A C01 F/W Rev 3.2 16Point DC Input Module - Open Box

$249.99 USDIn-stock match

Condition: Unused surplus (new old stock)

Series A

1 in stock

View Product
Availability
Similar Match Available

A similar unit is in stock and ready to ship once you confirm the condition you need.

Variants
Part NumberConditionSeriesQtyPrice
1756-IB32 /A$249.99
Unused surplus (new old stock) · Series A · 1 in stock
1756-IB32 /AUnused surplus (new old stock)Series A1$249.99 USD

1756-IB32

Refurbished — pick series, then request a quote

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1756-IB32Refurbished—Request Quote
Repairs

1756-IB32 Mail-In Repair Service

Part Number Decoder

ControlLogix digital input module
1756IB32

32-point 12/24V DC (10…31.2V DC) sink/source inputs.

1756
BulletinControlLogix: Rockwell Automation's chassis-based control platform (controllers, I/O, communication modules, power supplies and chassis).
I
Module typeInput module (I).
B
Voltage / signal type12/24V DC (10…31.2V DC) sink/source inputs.
32
Point count32 points.
Decoded from the Rockwell Automation catalog-number structure. Series and firmware revision are printed on the product label, not encoded here.

Physical Data

Weight and DimensionsWeight0.66 lb (0.30 kg)H × W × D5.7 × 1.4 × 5.7 in. (145 × 35 × 145 mm)
Weight0.30 kg (0.66 lb)
Typical unit weight
Dimensions (H × W × D)145 × 35 × 145 mm (5.7 × 1.4 × 5.7 in.)
Single-slot module
Shipping Weight0.83 kg (1.82 lb)
Estimated: unit weight plus box and packing material; bills as 2 lb
Shipping Box (L × W × H)12 × 12 × 8 in. (305 × 305 × 203 mm)
Smallest standard box fitting the product with 3 in. cushioning per side
Product weight and dimensions are typical manufacturer-published values and may differ by series or option. Shipping box and weight are estimates for freight planning; the packed unit may ship in a different box.

Datasheet

Datasheet available for download
Generated from product specifications; not an official Allen-Bradley datasheet. For an official datasheet, contact Allen-Bradley or an authorized distributor.

Similar Part Numbers

  • 1756-IV16 Voltage / signal type: 12/24V DC sourcing inputs; Point count: 16 points

Alternate Part Numbers

1756IB32
CategoryControlLogix
Part Number1756-IB32
ManufacturerAllen-Bradley
Previously sold 1756-IB322 sold

NJT Automation has supplied and shipped 2 1756-IB32 ControlLogix digital input modules in 2024; these listings are sold and the in-stock options above are ready to ship.

Sold
2 in 2024
Price range
$500 – $780
By condition
Unused surplus (2)$500 – $780
Series
B × 2

Unused surplus 1756-IB32 ControlLogix digital input modules have sold for $500 – $780.

Allen-Bradley 1756-IB32/B Unused surplus (new old stock) - previously sold by NJT AutomationSold

Allen Bradley 1756-IB32/B ControlLogix DC INPUT Module 32 Pt 24VDC - Open Box

$779.99 USD

Unused surplus (new old stock)

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Can the 1756-IB32 be repaired?

Yes. NJT Automation offers mail-in repair for the 1756-IB32, including diagnostic evaluation, component-level repair, and functional testing.

NJT Managed Repair

One vendor. One warranty. NJT manages the entire process.

  • 1-year full-function NJT warranty, with 2- and 3-year options available
  • Rush service available for production-critical repairs
  • No evaluation or diagnostic charges
  • No repair, no charge
  • "Unrepairable" is not an option
  • Pre-paid UPS shipping label provided for sending your unit in
  • $650 minimum repair charge, shipping included both ways
Get an NJT Repair Quote

Looking for another option? For lower-cost repairs or if you prefer to work directly with an independent repair specialist, compare bids through RepairMode. RepairMode providers operate independently and set their own pricing and warranty terms.

Find a PLC repair specialiston RepairMode.com ↗

Common 1756-IB32 failures

Failure patterns we regularly see on ControlLogix digital input module hardware like the 1756-IB32:

  • Slow or missed inputs: input filter components degraded
  • Removable terminal block pins bent or corroded, giving intermittent points
  • Module fault LED red at power-up
  • Leakage on AC input modules (IA / IM) turning points on with the field device off
  • Input point stuck ON or OFF after a field short or overvoltage on the sensor wiring

Repair or replace?

ReplaceI/O cards like the ControlLogix digital input module are the easiest modules to swap: same slot, same wiring, no setup. Replace the 1756-IB32 when a channel is dead and the machine needs to run now. Order the exact 1756-IB32. The catalog number sets the 32-point density and 12/24V DC rating, and a different suffix changes one of them. We stock the 1756-IB32. Order by 5:00 PM Central for same-day shipping.
RepairA single blown point on the 1756-IB32 is a component-level repair (a driver, input channel or on-board fuse), so repair pays when replacements are scarce or you have several cards with a few bad channels each. The two 1756-IB32 symptoms we see most often are “Input point stuck ON or OFF” and “Group of inputs dead”. Repaired 1756-IB32 units are function-tested before return and carry a 1-year warranty.

Request a Repair Quote

Text photos of the faulty unit and the symptoms to (414) 331-5954.

Start Your Repair Today

All product photos were taken by NJT Automation. Test videos originated from either NJT Automation internally or from repair technicians within our network.

Still have questions?

Find answers to shipping, warranties, repairs, and more.

The Allen-Bradley 1756-IB32 is a ControlLogix digital input module: 32-point 12/24V DC (10…31.2V DC) sink/source inputs.
NJT Automation currently has 1 unit of the 1756-IB32 in stock in unused surplus condition (Series A). Each listing states its own condition and series. Typically unused surplus or new/open-box stock. Packaging may be opened or replaced, but the module itself has no meaningful run time.
At NJT Automation, 2 1756-IB32 ControlLogix digital input modules have sold in 2024 for $500 – $780. Right now 1 unit is in stock at $250, depending on condition and series.
NJT Automation has 1 unit of the 1756-IB32 ControlLogix digital input module on the shelf in Milwaukee, WI, priced from $249.99. Orders placed before 5:00 PM Central on business days ship the same day; orders placed after the cutoff ship the next business day.
Yes. UPS Next Day Air is available at checkout for the 1756-IB32 ControlLogix digital input module. Place your order before 5:00 PM Central on a business day and your in-stock item ships the same day for next-business-day delivery.
Yes. Free local pickup is available for the 1 in-stock 1756-IB32 unit at NJT Automation, 2122 N Prospect Ave, Milwaukee, WI, during business hours. Contact us to arrange a pickup time.
32 points.
Disclaimer

Trademarks & Compatibility

All trademarks, service marks, trade names, brand names, and logos displayed on this website are the property of their respective owners. Any references to manufacturers, products, or brands are for identification and compatibility purposes only and do not imply any affiliation with, endorsement by, sponsorship from, or authorization by the respective trademark owners.

Independent Supplier

NJT Automation is an independent supplier of surplus, refurbished, and pre-owned industrial automation equipment. Unless expressly stated otherwise, NJT Automation is not an authorized distributor, dealer, representative, or affiliate of the original equipment manufacturer (OEM) for any products offered on this website.

Product Condition & Warranty

Products sold by NJT Automation may be surplus inventory, discontinued models, older series, or units with earlier manufacturing date codes than those currently available from the OEM or its authorized distribution network. As NJT Automation is not an authorized distributor, manufacturer warranties, support programs, and other OEM services may not apply. Any warranty provided is solely that of NJT Automation, where applicable.

Firmware & Software Licensing

Certain programmable logic controllers (PLCs), drives, HMIs, and other electronic products may require firmware to operate. While some products may include firmware, NJT Automation makes no representations or warranties regarding whether firmware is installed, the firmware version or revision level, its compatibility with your application, or its licensing status.

NJT Automation does not provide, obtain, transfer, or license firmware on behalf of customers. We make no representation regarding your ability or legal right to obtain, download, install, or use firmware from the OEM, its authorized distributors, or any other source. It is the customer's sole responsibility to ensure compliance with all applicable End User License Agreements (EULAs), software licenses, intellectual property rights, and other terms governing the acquisition, installation, and use of firmware.