Allen-Bradley 1756-IA32 ControlLogix 32-point, 120V AC

Allen-Bradley 1756-IA32 ControlLogix digital input module, 32-point 120V AC (79…132V AC) inputs. NJT Automation sources the 1756-IA32 on request; send the part number for a replacement or repair quote.

Quote required. Request a quote below for pricing and delivery.

Allen-Bradley 1756-IA32 ControlLogix digital input module, 32-point, 120V AC – front view

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Part Number	1756-IA32
Price	On Request Previously sold for $199.99 USDAvailability and condition determine final quote.
Description	ControlLogix digital input module, 32-point, 120V AC.
Shipping	UPS Ground included \| Next-Day Air and Worldwide Shipping available at checkout
Warranty	1-year full-function warranty provided by NJT Automation. Warranty details Included 1 year, full-function 2 years +15% of product price ($30.00) 3 years +25% of product price ($50.00) View full warranty policy
Returns	90-day free returns. View return policy
Exchange	Send us your defective 1756-IA32 after your purchase for a 10% core credit. We also purchase old or damaged parts outright.

Availability

Available Level 1

This part is available through our Level 1 supplier network. Request a quote to confirm quantity, price, and next-day shipping options.

Inventory Level 1 RFQ

Level 1 parts come from vetted US suppliers we have worked with for years. Each unit is checked before it ships, so counterfeits, repackaged items sold as new, and worn-out equipment do not reach you. Every part carries the same NJT warranty and return policy as our own stock.

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Repairs

1756-IA32 Mail-In Repair Service

How the Process Works:

Submit Your RFQ: Complete the request-for-quote (RFQ) form with your exact requirements.
Receive a Quote: We respond ASAP - within 1 hour during business hours.
Approve and Pay: Agree to the quoted price, and we will issue an invoice payable via credit card or your preferred method.
Direct Shipping: Our normal shipping time is 3-5 business days, during which we thoroughly inspect and certify items to meet our high standards. If you request next-day air delivery, the item will be sent directly to you and arrive the following business day. Please note: These items are NOT available for local pickup at NJT Automation's location.

What We Offer

We source genuine parts from trusted U.S. channels and stand behind what we sell.

Our network has millions of parts ready to be delivered now.
Complete Transparency: Clear information on item availability.
Well-vetted components from trusted suppliers sourced from the USA.
Technical Support: Assistance, troubleshooting and hardware repairs.
Minimal Markup: The best sourcing service at a minimal cost.
Quick Delivery: Fast access to the parts you need to get your machines back up and running.
Dropship available • No branding on packaging

Part Number Decoder

ControlLogix digital input module

1756IA32

32-point 120V AC (79…132V AC) inputs.

1756: BulletinControlLogix: Rockwell Automation's chassis-based control platform (controllers, I/O, communication modules, power supplies and chassis).
I: Module typeInput module (I).
A: Voltage / signal type120V AC (79…132V AC) 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)

Weight	0.30 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 Weight	0.83 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-IB32 Voltage / signal type: 12/24V DC (10…31.2V DC) sink/source inputs
1756-IV16 Voltage / signal type: 12/24V DC sourcing inputs; Point count: 16 points

Alternate Part Numbers

1756IA32

Previously sold 1756-IA32

1 sold

NJT Automation has supplied and shipped one 1756-IA32 ControlLogix digital input module in 2024; request a quote and we will source another from our supplier network.

Sold: 1 in 2024
Price: $200
Series: A × 1

The one 1756-IA32 ControlLogix digital input module sold in 2024 was used and went for $200.

Sold

Allen Bradley 1756-IA32 / 1756IA32 Ser A 32 Point Digital Input Module 74-132VAC

$199.99 USD

Used

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Can the 1756-IA32 be repaired?

Yes. NJT Automation offers mail-in repair for the 1756-IA32, 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-IA32 failures

Failure patterns we regularly see on ControlLogix digital input module hardware like the 1756-IA32:

Group of inputs dead when the common for that group has been damaged
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

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-IA32 when a channel is dead and the machine needs to run now. Stick with the exact 1756-IA32. The suffix sets the 32-point density and 120V AC rating, so a near match is a different unit. A replacement 1756-IA32 is sourced on request, so compare its lead time with a repair before deciding.

RepairA single blown point on the 1756-IA32 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. Most 1756-IA32 units reach our bench with one of two symptoms: “Input point stuck ON or OFF” or “Group of inputs dead”. Each 1756-IA32 we repair goes back function-tested with 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

Related services:PLC Repair All Repair Services

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.

Frequently Asked Questions

What is the 1756-IA32?

The Allen-Bradley 1756-IA32 is a ControlLogix digital input module: 32-point 120V AC (79…132V AC) inputs.

What condition is the 1756-IA32 in?

The 1756-IA32 is available in Unused surplus / Refurbished / Used condition. We can quote this part in unused surplus, refurbished, or used condition depending on availability and your preference. Specify your requirement in the RFQ.

When does this part ship?

This 1756-IA32 is sourced on request, so sourcing and quote timelines apply. Request a quote and we'll confirm availability and lead time. Many parts can be sourced within a few business days through our Level 1 supplier network.

Can you ship this next-day air?

Yes. UPS Next Day Air is available at checkout for the 1756-IA32 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.

Can I pick this item up locally?

Yes. Once your 1756-IA32 has been sourced and is ready, free local pickup is available at NJT Automation, 2122 N Prospect Ave, Milwaukee, WI, during business hours.

How many I/O points does the 1756-IA32 have?

32 points.