Allen-Bradley 1756-DHRIO ControlLogix | Ready to Ship
ControlLogix DH+ / Remote I/O module – Data Highway Plus / Remote I/O module, two channels configurable for DH+ messaging or as a Remote I/O scanner/adapter.
1 in stock.
$149.99USD
| Shipping | Ships today from Milwaukee, WI . UPS Ground included | Next-Day Air and Worldwide Shipping available at checkout |
| Description | Allen-Bradley 1756-DHRIO ControlLogix. Communication Interface Module Two-port DH-plus or universal Remote I/O communication Interface Module. In stock now in used condition, Series A. |
| Warranty | 1-year full-function warranty provided by NJT Automation.Warranty detailsThe original Allen-Bradley warranty does not apply to pre-owned units. Full warranty coverage is provided directly by NJT Automation. If you have any issues we can usually swap your unit next-day air (based on inventory)-no waiting weeks for a repair. Included: 1 Year +1 Year: +15% of product price ($22.50) +2 Years: +25% of product price ($37.50) |
| Returns | 90-day free returns on all purchases.View return policy |
| Exchange | We will purchase your old or damaged parts. |
NJT Automation supplies the Allen-Bradley 1756-DHRIO ControlLogix with fast next-day delivery, backed by a full 1-year warranty. If you prefer to repair your existing unit, we also offer a mail-in repair service with rush turnaround available.
Replacement Options for 1756-DHRIO
In stock and ready to ship today
| Availability | Similar Match In StockA similar unit is in stock and ready to ship once you confirm the condition you need. |
| Variants | Part NumberConditionSeriesQtyPrice 1756-DHRIO/AUsedSeries A1$149.99 USD1756-DHRIO /BRefurbishedSeries B—Request Quote |
| Repairs | 1756-DHRIO Mail-In Repair Service |
| Part Number | 1756-DHRIO |
| Manufacturer | Allen-Bradley |
| Category | ControlLogix |
Allen Bradley Information | Technical Description Communication Interface Module Two-port DH-plus or universal Remote I/O communication Interface Module |
Part Number Decoder | ControlLogix DH+ / Remote I/O module 1756DHRIO Data Highway Plus / Remote I/O module, two channels configurable for DH+ messaging or as a Remote I/O scanner/adapter.
Decoded from the Rockwell Automation catalog-number structure. Series and firmware revision are printed on the product label, not encoded here. |
Related Variants |
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Alternate Part Numbers | 1756DHRIO, 1756 DHRI0 |
Can the 1756-DHRIO be repaired?
Yes. NJT Automation offers mail-in repair for the 1756-DHRIO, including diagnostic evaluation, component-level repair, and functional testing.
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
- Pre-paid UPS shipping label provided for sending your unit in
- $650 minimum repair charge, shipping included both ways
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-DHRIO failures
Failure patterns we regularly see on ControlLogix DH+ / Remote I/O module hardware like the 1756-DHRIO:
- Channel driver failure: DH+ or RIO channel dead or intermittent with good cabling and termination
- Blue-hose connector or channel LED faults after a lightning or ground-loop event
- Rack-address / baud-rate rotary switch wear causing intermittent RIO adapter faults
- Module will not bridge messages after an unfinished firmware update
- Dead module after a chassis power event
Why Choose Our Repair Service?
- ■ Rush turnaround available, with 24-hour emergency service on some models
- ■ 1-year full-function warranty, with 2- and 3-year extended options
- ■ No evaluation or diagnostic charges
- ■ Free UPS shipping label available
- ■ "Unrepairable" is not an option
- ■ Thousands of successful Allen-Bradley restorations
Request a Repair Quote
Ready to repair your 1756-DHRIO? Request a repair quote below. For immediate assistance, text photos of your faulty unit and a description of the symptoms to (414) 331-5954.
Still have questions?
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