Allen Bradley 1715-A3IO Industrial Redundant I/O Base Unit

FAQ

Q1: What type of product is the 1715-A3IO?
It is a redundant I/O base unit designed to host up to three I/O modules in the 1715 distributed I/O system.

Q2: How many modules can be installed on this base unit?
The unit supports up to three I/O modules simultaneously.

Q3: What is the main function of the 1715-A3IO?
It serves as the mounting and connection platform for I/O modules, enabling redundant and fault-tolerant system architectures.

Q4: What power requirements does the unit have?
It draws approximately 165 mA from a 18–32 V DC backplane supply.

Q5: What are the physical dimensions and weight?
The unit measures 233 mm × 126 mm × 18 mm and weighs about 220 g.

Q6: What kind of protection and isolation does it provide?
It offers 50 V continuous isolation between I/O ports and the backplane, along with IP20 protection.

Q7: What environments can it operate in?
It operates from −25 °C to +70 °C and supports high humidity industrial environments (non-condensing).

Q8: What mounting method is used?
The unit is designed for standard 35 mm DIN-rail mounting in industrial control panels.

1715-A3IO Allen Bradley

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