Allen-Bradley 1747-ASB SLC 500 Remote I/O Adapter
Allen-Bradley 1747-ASB Remote I/O adapter module: puts an SLC chassis of 1746 I/O on a Remote I/O network as an adapter (slave). NJT Automation sources the 1747-ASB on request; send the part number for a replacement or repair quote.
Quote required. Request a quote below for pricing and delivery.

Actual NJT inventory photos
| Part Number | 1747-ASB |
| Price | On Request Availability and condition determine final quote. |
| Description | SLC 500 Remote I/O adapter. |
| 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
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| Returns | 90-day free returns. View return policy |
| Exchange | Send us your defective 1747-ASB 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 1747-ASB 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. | ||
| Repairs | 1747-ASB Mail-In Repair Service | ||
Part Number Decoder | SLC 500 Remote I/O adapter 1747ASB
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 SLC 500 network communication applications. Communication modules and interface converters connect an SLC 500 to DH-485, DH+, Remote I/O, DeviceNet or ControlNet networks, PanelView terminals and programming terminals on the plant floor. | ||
Allen Bradley Information | Technical SpecificationsLifecycle status
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| Category | SLC 500 | ||
| Part Number | 1747-ASB | ||
| Manufacturer | Allen-Bradley | ||
Can the 1747-ASB be repaired?
Yes. NJT Automation repairs the 1747-ASB 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.
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 SLC 500 Remote I/O adapter hardware like the 1747-ASB:
- Channel driver failure: DH-485 / DH+ / RIO port dead or intermittent with good cabling
- Module will not come online after a power event (configuration lost or fault LED on)
- Isolation section damaged on AIC / UIC converters after a ground-loop event
- Scanner (SN / SDN) shows adapter or node faults that follow the module, not the network
- Backplane connector wear causing rack faults
Photos by NJT Automation; test videos from NJT or network repair technicians.
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