Allen-Bradley 1746-NO4I SLC 500 4-channel – Ready to Ship / Pick Up
The Allen-Bradley 1746-NO4I is an SLC 500 analog output module: 4-channel current analog output (0…21 mA), 14-bit, 1746 chassis mount. NJT Automation has 1 in stock in Milwaukee, WI: orders placed before 5:00 PM Central ship the same business day. One-year full-function warranty included.
1 in stock.

$199.99USD
| Description | SLC 500 analog output module, 4-channel. In stock in used condition, Series A. |
| Shipping | Ships today from Milwaukee, WI . 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 and we will have your 1746-NO4I at the counter. |
| 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 ($30.00) +2 Years: +25% of product price ($50.00) |
| Returns | 90-day free returns on all purchases.View return policy |
| Exchange | We will purchase your old or damaged parts. |
Replacement Options for 1746-NO4I
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 1746-NO4I /AUsedSeries A1$199.99 USD1746-NO4I /BRefurbishedSeries B—Request Quote |
| Repairs | 1746-NO4I Mail-In Repair Service |
Part Number Decoder | SLC 500 analog output module 1746NO4I4 SLC 500 analog output module: 4-channel current analog output (0…21 mA), 14-bit, 1746 chassis mount.
Decoded from the Rockwell Automation catalog-number structure. Series and firmware revision are printed on the product label, not encoded here. |
Similar Part Numbers | |
Allen Bradley Information | Technical Description Allen Bradley SLC 500 Analog Output Module 4-Channel, Current Output, 16-bit Resolution Lifecycle: Active — verify current status with the manufacturer |
Alternate Part Numbers | 1746NO4I, 1746N04I |
| Category | SLC 500 |
| Part Number | 1746-NO4I |
| Manufacturer | Allen-Bradley |
Can the 1746-NO4I be repaired?
Yes. NJT Automation offers mail-in repair for the 1746-NO4I, 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 1746-NO4I failures
Failure patterns we regularly see on SLC 500 analog output module hardware like the 1746-NO4I:
- Channel drift, offset or a reading railed at full scale after overvoltage on the field loop
- Calibration lost on one or more channels
- Output channel stuck at zero or full scale (NO / NIO modules)
- RTD / thermocouple channels reading wrong from a failed reference or CJC (NR / NT)
- Noisy readings from a damaged filter section
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 1746-NO4I? 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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