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Home ⊙ NEWS ⊙ A-B 1771-A4B General Purpose I/O Chassis 16-slot chassis
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A-B 1771-A4B General Purpose I/O Chassis 16-slot chassis

From:A-B | author:Mr.Chen | Time :2024-07-08 | 133 view: | Share:

Allen-Bradley 1771-A4B is a general purpose I/O enclosure.

The Allen-Bradley 1771-A4B is a general purpose I/O chassis.

The hardware is a sixteen (16) slot chassis designed to provide backplane connections and to accommodate 1771 PLC modules.

It provides a maximum backplane current of 24 A and is designed for panel mounting. It has a total weight of 7.3 kg or 16 lbs.

About the 1771-A4B

The Allen-Bradley 1771-A4B is a general purpose I/O chassis that is part of the 1771 Programmable Logic Controller (PLC) product family.

The chassis has sixteen (16) I/O slots that contain electronic circuitry, specifically the backplane, which distributes power to the connected modules.

It is also equipped with hinges for field wiring arms.

The 1771-A4B has an operating temperature range of 32-140 degrees Fahrenheit or 0-60 degrees Celsius.

Hardware storage temperature is -40 to 185 degrees Fahrenheit or -40 to 85 degrees Celsius.

Relative humidity is 5-95% non-condensing. When installing this general purpose I/O chassis, panel vibration and shock should be kept within 2g and 15g at 10-500 Hz, respectively.

The 1771-A4B receives power from the 1771 processor and has an internal power supply that provides 2-4 amps,

The built-in power supply provides 2-4 amp, 3-8 amp rated output power modules, and an external power supply with 6.5-16 amp output current.

In general, do not install external power supplies and power supply modules on the 1771-A4B. Such power connections are incompatible and will result in a substandard hardware configuration.

The 1771-A4B chassis has 16 I/O slots. It measures 12.4 x 24 x 7.6 inches and weighs 14.8 pounds.

When installed in a 1771 PLC-5 system, it utilizes the backplane mounting method with adequate spacing and an open enclosure.

The backplane of the enclosure has a DC voltage of 5 volts and a current of 8 amps.

The 1771-A4B chassis has a universal configuration for chassis mounting and system design due to the consistency of its design.

Small, flexible, and cost-effective, the 1771 I/O modules provide a complete line of digital, analog, and intelligent I/O modules for a variety of applications.

The I/O modules are equipped with wiring arms and remote termination panels that allow the modules to be replaced without disconnecting the wiring.

For troubleshooting and diagnostics, status indicators are provided on the front of the module. For future expansion, it can be easily replaced with a larger chassis.

It is suitable for industrial environments from 0 - 60 degrees Celsius (32 - 140 degrees Fahrenheit).

It is intended for use in industrial environments with an operating temperature of 0 - 60 degrees Celsius (32 - 140 degrees Fahrenheit), 5 - 95% non-condensing relative humidity, and 30g of operating shock.

1771-A4B Frequently Asked Questions

How many I/O slots does the 1771-A4B have?

The 1771-A4B has 16 I/O slots.

What is the maximum backplane current rating of the 1771-A4B?

The maximum backplane current for the 1771-A4B is 24 amps.

What mounting options does the 1771-A4B support?

The 1771-A4B supports panel mounting.

Technical Description of the 1771-A4B

Allen Bradley PLC 5 I/O Chasis, 16-slot, 24 amp, backplane mount type.

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