1785-KA

Overview

The Allen-Bradley 1785-KA Communication Adaptor Module is designed for reliable data communication in PLC-5 systems.

Specifications

• Required Backplane: 1.4 Amperes at 5 Volts DC

• Typical AC Signal Delay (Off): 29 (+/- 8) ms

• Typical DC Signal Delay (Off): 30 (+/- 7) ms

• Required External Power: None

Connectivity

• Interface Ports: Data Highway, Data Highway Plus, and Allen-Bradley Industrial Terminal (Series 1784)

• Communication with PLC Processor: Direct Connection to Channel 3 of PLC-5 Processor

Physical Characteristics

• Dimensions: 4.5 x 12.4 x 6.3 in (115 x 317 x 160 mm)

• Wiring Arm: 1771-WN

• Coating: Conformal Coat

Operational Features

• LEDs: 1 Diagnosis/Status Per Channel

• Max Modules Per System: 4

• Operation: Process Messages

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