View Cart

Allen-Bradley 1756-OF8IH ControlLogix Analog Output

In stock: 1 unit in Milwaukee, WI. Physically stocked and ready to ship or available for local pickup. Includes a 1-year full-function warranty.

8-channel isolated · HART analog output module

Price

$1,599.99USD

Unused surplus units available

Request Repair QuoteEstimated $1,440.00
Part Number1756-OF8IH
DescriptionControlLogix analog output module, 8-channel. In stock in unused surplus condition, Series A.
Shipping
Ships same or next business day 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 ($240.00)
3 years
+25% of product price ($400.00)
View full warranty policy
Returns
90-day free returns. View return policy
Exchange

Send us your defective 1756-OF8IH after your purchase for a 10% core credit ($160). We also purchase old or damaged parts outright.

Replacement Options for 1756-OF8IH

Pick a condition and series below. UPS Ground shipping included.

Allen Bradley 1756-OF8IH Ser A ControlLogix 8-Point HART Analog Output Module

$1,599.99 USDIn-stock match

Condition: Unused surplus (open box)

Series A

1 in stockView details
Variants
Part NumberConditionSeriesQtyPrice
1756-OF8IH /A$1,599.99
Unused surplus (open box) · Series A · 1 in stock
1756-OF8IH /AUnused surplus (open box)Series A1$1,599.99 USD

1756-OF8IH

Refurbished — pick series, then request a quote

Request Quote
1756-OF8IHRefurbished—Request Quote
Availability
1 unit in stock
Repairs

1756-OF8IH Mail-In Repair Service

Estimated: $1,440.00

Part Number Decoder

ControlLogix analog output module
1756OF8IH
1756
BulletinControlLogix: Rockwell Automation's chassis-based control platform (controllers, I/O, communication modules, power supplies and chassis).
OF
Analog outputAnalog output: voltage / current (±10V, 0…20 mA and similar ranges).
8
Channel count8 channels.
I
FeatureIndividually isolated channels.
H
ProtocolHART: passes HART digital data (device status, secondary variables) over the 4…20 mA loop.
Decoded from the Rockwell Automation catalog-number structure. Series and firmware revision are printed on the product label, not encoded here.

Series & Revisions

Series A in stock; other series on request.

Series notes: Logix keys on catalog number and firmware revision, not series; with the default Compatible Module keying, any series of the same catalog number is accepted in the slot.

Intended Use

Built for continuous analog control applications. Analog outputs send 4-20 mA or ±10V references to valve positioners, variable-frequency drives, dampers and proportional controls in process loops and speed-controlled machinery.

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.

Allen Bradley Information

Technical SpecificationsLifecycle status
LifecycleActive
Verify current status with the manufacturer.
CategoryControlLogix
Part Number1756-OF8IH
ManufacturerAllen-Bradley

Can the 1756-OF8IH be repaired?

Yes. NJT Automation repairs the 1756-OF8IH by mail-in: diagnostic evaluation, component-level repair and a functional test, backed by a 1-year full-function warranty.

NJT managed repair. No evaluation fee; no repair, no charge. Prepaid UPS label both ways, $650 minimum, rush available. 1-year full-function warranty included, 2- and 3-year options.

Get a repair quoteor text photos and symptoms to (414) 331-5954

Compare quotes from independent repair technicians. Post your repair on RepairMode to receive competitive bids from experienced technicians. Each technician sets their own pricing and warranty.

Find a PLC repair specialiston RepairMode.com ↗

Common failures

Failure patterns we regularly see on ControlLogix analog output module hardware like the 1756-OF8IH:

  • Output channel stuck at zero or full scale: output driver damaged by a field short or miswired supply
  • Output drift or offset, calibration lost
  • Open-wire / high-alarm bits set with a good field loop (channel circuit damaged)
  • Channel dies after a ground loop or an inductive load on the output
  • Module fault after backplane voltage sag

Photos by NJT Automation; test videos from NJT or network repair technicians.

Still have questions?

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

The Allen-Bradley 1756-OF8IH is a ControlLogix analog output module: 8-channel isolated, HART analog output module.
NJT Automation currently has 1 unit of the 1756-OF8IH in stock in unused surplus condition (Series A). Each listing states its own condition and series. Never put into service, but the original packaging has been opened or replaced, so it is classed as used rather than new. The module itself has no meaningful run time. From the listing: This item is in new-surplus condition but missing its original packaging and remains in excellent, new condition. It comes with a one-year NJT warranty, though the original manufacturer's warranty is not included.
1 unit of the 1756-OF8IH ControlLogix analog output module are on the shelf in Milwaukee, WI, priced from $1,599.99. Orders before 5:00 PM Central on a business day ship the same day; next-day air is available at checkout.
HART: passes HART digital data (device status, secondary variables) over the 4…20 mA loop.
8 channels.
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.