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Allen-Bradley 1756-CJC ControlLogix

Allen-Bradley 1756-CJC ControlLogix Cold-junction compensation kit, Cold-junction compensation kit: two CJC sensors (jumpers) for the 1756-IRT8I or 1756-IT16 thermocouple inputs. NJT Automation sources the 1756-CJC on request; send the part number for a replacement or repair quote.

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

Request Replacement QuoteRequest Repair Quote
Part Number1756-CJC
Price
On Request
Availability and condition determine final quote.
DescriptionControlLogix Cold-junction compensation kit.
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
3 years
+25% of product price
View full warranty policy
Returns
90-day free returns. View return policy
Exchange

Send us your defective 1756-CJC after your purchase for a 10% core credit. We also purchase old or damaged parts outright.

Availability
Sourced on request

We do not have a 1756-CJC on the shelf right now. We can source one through our supplier network; request a quote and we confirm availability, price and lead time before you commit.

Sourcing

Sourced through our Level 1 network of vetted US suppliers. Each unit is checked before it ships and carries the same NJT warranty and return policy as our own stock. Quotes within one hour during business hours; typical delivery 3–5 business days, next-day air available. Sourced parts are not available for local pickup.

Request QuoteHow Level 1 sourcing works
Repairs

1756-CJC Mail-In Repair Service

Part Number Decoder

ControlLogix Cold-junction compensation kit
1756CJC
1756
BulletinControlLogix: Rockwell Automation's chassis-based control platform (controllers, I/O, communication modules, power supplies and chassis).
CJC
Module codeCold-junction compensation kit: two CJC sensors (jumpers) for the 1756-IRT8I or 1756-IT16 thermocouple inputs.
Decoded from the Rockwell Automation catalog-number structure. Series and firmware revision are printed on the product label, not encoded here.

Intended Use

Built for plant-wide discrete, process, and motion control applications. ControlLogix hardware serves large machines, process lines and multi-axis motion systems across automotive, food and beverage, water, oil and gas and packaging plants.

Similar Part Numbers

  • 1756-DHRIO Module code: Data Highway Plus / Remote I/O module
  • 1756-HIST2G Module code: FactoryTalk Historian Machine Edition module with 2 GB
  • 1756-RM2 Module code: Redundancy module, second generation

Allen Bradley Information

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

Can the 1756-CJC be repaired?

Yes. NJT Automation repairs the 1756-CJC 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 Cold-junction compensation kit hardware like the 1756-CJC:

  • Bent or corroded terminal-block pins causing intermittent field points
  • Cracked housing or broken latch after repeated removal
  • Worn spring-clamp / screw terminals not holding conductors

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-CJC is a ControlLogix Cold-junction compensation kit: Cold-junction compensation kit: two CJC sensors (jumpers) for the 1756-IRT8I or 1756-IT16 thermocouple inputs.
The 1756-CJC may be available on request 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.
The 1756-CJC is sourced on request. Request a quote and we'll confirm availability and lead time, typically a few business days.
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.