Product Short Description
Product Name: AutoMate Local I/O Head Module
Product Introduction: The 61C22A (based on the 61C22 platform, Instruction Manual J-3671) is a Local I/O Head module manufactured by Reliance Electric for the AutoMate 20/20E Rail-Mounted I/O system on AutoMax DCS. It acts as a communication multiplexer between the processor unit and distributed I/O rails.
Description
Technical Specifications:
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Manufacturer: Reliance Electric
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Series: AutoMate PLC
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Part Number: 61C22A (base 61C22)
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Instruction Manual: J-3671
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Input Power: 120 VAC, 0.5 A, 50/60 Hz
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Onboard Power Supply: Provides power to up to 4 full rails (64 points each) of digital I/O modules
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I/O Capacity: Each of 4 digital I/O rails communicates with a single I/O port; expandable from 64 to 256 digital I/O points
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Faceplate Components:
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250 VAC MDQ 4-amp replaceable fuse compartment
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LED bank: POWER, COM, RAIL FAULT 0, RAIL FAULT 1, RAIL FAULT 2, RAIL FAULT 3
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Five 12-point male ports: RAIL 0, RAIL 1, RAIL 2, RAIL 3, INPUT
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Architecture: Built around a custom LSI chip for reliability and speed
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Cooling: Factory-drilled holes on top and sides for internal airflow
Functional Features: The onboard power supply eliminates the need for external power to connected I/O rails (up to 4 rails). As a communication multiplexer, it allows four input/output channels to communicate with the AutoMate 20/20E processor unit. The COM LED indicates active communication between the processor and the local head. RAIL FAULT LEDs provide per-rail fault indication.
Application Scenarios: Used in AutoMate 20/20E I/O systems for distributed digital I/O control in industrial automation environments.
Installation & Notes: The module mounts via a bracket on the rear onto a rack assembly. The fuse compartment accepts a 250 VAC MDQ 4-amp fuse. When the COM LED is illuminated, communication is actively occurring between the processor and the local head.
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