Allen Bradley 1775-KA PLC 3 communication adapter module

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The Allen-Bradley 1775-KA is a communication adapter module designed for Allen-Bradley PLC-3 series systems. Manufactured by Rockwell Automation, this module provides reliable communication interfacing and efficient data transfer capabilities for industrial automation environments.

The 1775-KA module supports both RS-232-C and Data Highway communication protocols, enabling flexible integration with PLC systems and external devices. It can operate using either 115V AC or 230V AC power sources, making it suitable for multiple regional electrical standards. The module is engineered for low power consumption while delivering stable and efficient communication performance.

For simplified monitoring and maintenance, the 1775-KA includes built-in communication and functional status indicators, along with a diagnostic self-test utility that performs pass/fail operational checks. A thumbwheel switch allows easy device ID selection, while configurable expansion options provide enhanced flexibility for complex automation systems.

Manufacturer

Allen Bradley

Product Type

Communication Adapter Module

Product Line

PLC 3

Part Number

1775-KA

Weight

4.00 lbs (1.81 kg)

UPC

612598294770

Ports

RS-232-C, Data Highway

Voltage

115 V AC/230 V AC

Application

PLC-3 interface/Data transfer

Frequency

50/60 Hz

Integration

PLC-3 modules

Power Consumption

3.5 W

PLC-3 Compatibility

Designed specifically for Allen-Bradley PLC-3 systems

Dual Communication Support

Supports RS-232-C and Data Highway protocols

Flexible Power Input

Compatible with 115V AC and 230V AC power supplies

Low Power Consumption

Operates efficiently with only 3.5 Watts power usage

Built-in Diagnostics

Includes pass/fail self-test diagnostic functionality

Status Indicators

Provides communication and functional status monitoring

Easy Device Configuration

Thumbwheel switch simplifies device ID selection

Expansion Capability

Supports configurable system expansion options

Reliable Industrial Performance

Suitable for demanding industrial automation environments

Seamless Integration

Easily integrates with other PLC-3 modules and systems

Question

Answer

What is the primary function of the Allen-Bradley 1775-KA?

The 1775-KA provides communication interfacing and data transfer capabilities for Allen-Bradley PLC-3 systems.

Which communication protocols does the 1775-KA support?

The module supports both RS-232-C and Data Highway communication protocols.

What power input options are available for the 1775-KA?

The module can operate using either 115V AC or 230V AC power supplies at 50/60 Hz.

Does the 1775-KA include diagnostic functions?

Yes. It features a built-in pass/fail self-test diagnostic utility for operational verification.

How is the device ID configured on the 1775-KA?

The module uses a thumbwheel switch for easy device ID selection and configuration.

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