Allen-Bradley 1797-ACNR15 ControlNet Ex Redundant Adapter

FAQ

Q1. What is the function of the 1797-ACNR15?
It is a ControlNet communication adapter used to connect FLEX Ex I/O modules to a ControlNet network in hazardous areas.

Q2. What does “R” mean?
“R” stands for Redundant, meaning it supports dual ControlNet media for higher reliability.

Q3. How many I/O modules can it support?
Up to 8 FLEX Ex I/O modules (up to 128 I/O points).

Q4. What network does it use?
It uses ControlNet coaxial communication at 5 Mbps.

Q5. Is it suitable for hazardous environments?
Yes, it is intrinsically safe (Ex certified) for use in hazardous locations.

Q6. What is the benefit of dual ports?
They enable redundant network architecture, improving uptime and fault tolerance.

Q7. How is it installed?
It is mounted on a DIN rail and connects directly to FLEX Ex I/O bases.

Q8. What is the key advantage of this module?
It provides safe, reliable, and redundant communication for distributed I/O in harsh industrial environments.

1797-ACNR15 Allen Bradley

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