Allen Bradley 1747-FC Ferrite Collar for EMI/RFI suppression

FAQ

Q1: What is the Allen‑Bradley 1747‑FC used for?
It is a ferrite collar designed to suppress electromagnetic (EMI) and radio‑frequency (RFI) interference on RS‑232 communication cables in SLC 500 systems.

Q2: What cables is the 1747‑FC compatible with?
The ferrite collar is intended to be used on RS‑232 cables, particularly those connected to SLC 500 processors via a 1747‑CP3 cable.

Q3: Which SLC 500 processors does it work with?
It is compatible with processors such as 1747‑L541, 1747‑L542, and 1747‑L543.

Q4: How does the 1747‑FC improve system performance?
By reducing electrical noise on communication lines, it helps maintain signal integrity and reduce communication errors.

Q5: What is the operating temperature range for this accessory?
It operates between 0 °C and 60 °C (32 °F to 140 °F).

Q6: Is the 1747‑FC still available from the manufacturer?
No, it has been officially discontinued by Rockwell Automation with no planned replacement.

Q7: What physical weight does the 1747‑FC have?
The ferrite collar weighs approximately 0.91 kg.

Q8: Does the 1747‑FC require any special installation tools?
No special tools are typically needed — it attaches around the RS‑232 cable where it exits the module.

1747-FC Allen Bradley

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