Allen Bradley 1747-SCNR/A Redundant Controller Network Adapter (SCNR/A)

FAQ

Q1: What is the 1747‑SCNR/A used for?
It is a redundant controller network adapter that links SLC 500 Remote I/O systems with redundant processor pairs over RIO networks.

Q2: What network protocol does it support?
It supports the Allen‑Bradley Remote I/O (RIO) communication protocol.

Q3: What makes this adapter “redundant”?
It has dual network media paths allowing two CPUs to communicate to the same RIO network for redundancy.

Q4: What communication ports are available?
It includes dual redundant RIO media ports and a RJ‑45 Network Access Port (NAP) for local connection.

Q5: How much current does it draw from the backplane?
The adapter draws approximately 900 mA at 5 V DC from the chassis backplane.

Q6: What are the environmental operating limits?
Operating temperature ranges from 0 °C to 60 °C and humidity from 5 % to 95 % non‑condensing.

Q7: What are the physical dimensions and weight?
Dimensions are approximately 10.35 × 5.43 × 3.46 in (263 × 138 × 88 mm) and weight is about 0.45 kg.

Q8: Is the 1747‑SCNR/A still available from Rockwell Automation?
No — it is a discontinued, legacy network adapter module for SLC 500 systems.

1747-SCNR/A Allen Bradley

We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.

For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.

Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.