Allen Bradley 1747-SDN SLC 500 Remote I/O Adapter (SDN)

FAQ

Q1: What is the Allen‑Bradley 1747‑SDN?
It is a Remote I/O adapter module that connects an SLC 500 controller to remote I/O over the RIO network.

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

Q3: What transmission speeds are supported?
The adapter supports RIO communication rates of 57.6, 115.2, and 230.4 kbps depending on cable length and network configuration.

Q4: What kind of cable does the 1747‑SDN use?
It typically uses Belden 9463 or equivalent RIO communication cable.

Q5: How many remote I/O slots can it address?
It can support up to 30 remote I/O slots via the RIO network.

Q6: How much current does the module draw from the backplane?
It draws approximately 375 mA at 5 V DC from the SLC backplane.

Q7: What are the physical size and weight of this adapter?
Dimensions are about 5.72 × 1.37 × 5.15 in (145 × 35 × 131 mm) and weight is ~0.17 kg.

Q8: Is the 1747‑SDN still produced by Rockwell Automation?
No — it is a discontinued, legacy SLC 500 Remote I/O adapter.

1747-SDN Allen Bradley

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