Allen Bradley 1771-KE High-performance Communication Controller

Product Overview

The AB 1771-KE is a communication controller module that enables seamless integration of RS-232-C intelligent devices with Allen-Bradley Data Highway networks. It supports bidirectional data exchange between PLC processors and external serial devices, utilizing full-duplex peer-to-peer or half-duplex master-slave protocols. This module ensures reliable industrial communication while minimizing latency and configuration complexity.

Engineered for flexible deployment, the 1771-KE includes six internal switch assemblies for setting protocol, station number, baud rate, parity, and diagnostics. The front panel features LED indicators labeled XMTG, RCVG, RDY, ACTV, and NAK for real-time operational feedback.

Key Features

• Interfaces RS-232-C devices with Data Highway networks

• Supports communication rates from 110 bps to 19.2 kbps on RS-232-C and 57.6 kbps on Data Highway

• Single-slot installation in 1771 I/O chassis

• Six configurable internal switches for protocol, station number, and diagnostics

• Supports point-to-point and multidrop topologies

• LED indicators for transmit, receive, ready, active, and negative acknowledgment

• Compatible with RS-232 cables: 1770-CG, 1770-CP, 1770-CD

• Mounting within 100 feet of the Data Highway cable for reliable signal integrity

Technical Specifications

Applications

• Connecting RS-232-C intelligent devices to Allen-Bradley PLC systems

• Industrial automation networks requiring robust serial communication

• Point-to-point and multidrop data highway networks

• Process control and factory automation setups

FAQ

Q1: Is the AB 1771-KE brand new?
A1: Yes, the AB 1771-KE is factory-new and original.

Q2: What communication rates does it support?
A2: Data Highway: 57.6 kbps; RS-232-C: 110 bps to 19.2 kbps.

Q3: How is the module configured?
A3: Use the six internal switches to set protocol, station number, baud rate, parity, and diagnostics.

Q4: What mounting options are available?
A4: Install in a single 1771 I/O chassis slot using keying bands or optional 1771-WH wiring arm.

Q5: How fast can it be shipped?
A5: Shipping occurs within 3 days to 2 weeks depending on order size via DHL or equivalent.

Q6: What is the return policy?
A6: Returns are accepted within 30 days for verified quality issues.