وصف

Description

The Allen-Bradley 1769-PB4 is a dedicated power supply module designed for the CompactLogix system. It provides the necessary DC power to support the operation of CompactLogix I/O modules and controllers within a local expansion bank. This unit is engineered to convert a 24V DC input into the regulated power required for the backplane, ensuring stable performance for industrial automation control tasks.

Features

• Designed specifically for CompactLogix system backplane power distribution.
• Wide input voltage range of 19.2 to 31.2 VDC.
• Robust power dissipation rating of 14.5 W at 60 degC.
• Compact form factor for efficient panel space utilization.
• Reliable operation in demanding industrial environments.

Technical Specifications

Product Model	1769-PB4
Input Voltage Range	19.2 - 31.2 VDC
Nominal Input Voltage	24 VDC
Power Consumption	100 VA @ 24 VDC
Power Dissipation	14.5 W @ 60 degC
Product Line	CompactLogix
Manufacturer	Allen-Bradley

Installation Guidelines

• Ensure the system power is disconnected before installing or removing the power supply module.
• Mount the module securely to the DIN rail or panel as per the CompactLogix system configuration.
• Maintain adequate clearance around the module to allow for proper heat dissipation and airflow.
• Use appropriate shielded cabling for DC input connections to minimize electromagnetic interference (EMI).
• Verify that the input voltage source is within the specified 19.2-31.2 VDC range before energizing.
• Handle the module using standard ESD (Electrostatic Discharge) protection practices to prevent damage to internal components.

FAQ

What is the primary function of the 1769-PB4?

The 1769-PB4 is a power supply module used to provide 24V DC power to the CompactLogix backplane, enabling the operation of connected I/O modules.

Can this power supply be used in high-temperature environments?

The module is rated for operation with a power dissipation of 14.5 W at 60 degC (140 degF). Always ensure the enclosure ventilation is sufficient to keep the ambient temperature within the manufacturer's specified limits.

تحديد

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المزايا

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• يدعم التشغيل المستمر، متوافق مع أنظمة PLC/DCS الرئيسية