Description

The Allen-Bradley 0042-6841 is a specialized control board designed for the PLC-5 industrial automation platform. This printed circuit board (PCB) assembly features integrated multiport capabilities, serving as a critical component for system communication and logic processing within the PLC-5 architecture. It is engineered to provide reliable control functions in demanding industrial environments.

Features

• Integrated multiport design for enhanced connectivity
• High-speed processing support for PLC-5 system logic
• Equipped with 128 k x 8 EPROM for program memory storage
• Three dedicated RS-232/423 serial ports via DB-9 connectors
• Robust design for standard industrial control applications

Technical Specifications

Installation Guidelines

• Ensure the PLC-5 chassis is powered down before installing or removing the control board to prevent electrical damage.
• Handle the board by the edges to avoid electrostatic discharge (ESD) damage to sensitive components.
• Verify that the board is correctly seated in the designated PLC-5 backplane slot and that all retaining screws are tightened.
• Ensure adequate clearance around the module to allow for natural convection cooling, as per the operating temperature specifications.
• Route serial communication cables away from high-voltage power lines to minimize electromagnetic interference (EMI).

FAQ

What is the primary function of the 0042-6841 control board?

This board acts as a central control and communication interface for the Allen-Bradley PLC-5 system, providing the necessary serial ports and memory capacity to execute control logic.

Is this board compatible with all PLC-5 processors?

The 0042-6841 is specific to the PLC-5 family. Please verify your specific chassis and processor model compatibility before installation to ensure the hardware revision matches your system requirements.

What are the power requirements for this module?

The module operates on a +5 V DC supply rail with a current requirement of 0.9 A. It is designed to tolerate a maximum ripple of 50 mV pk-pk.