Allen Bradley 1769-PA4 CompactLogix Compact I/O Power Supply
Allen Bradley 1769-PA4 CompactLogix Compact I/O Power Supply
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Brand:Allen Bradley PLC Item No.:1769-PA4 Product Origin:USA Product Dimensions:118 x 70 x 87 mm Product Weight:0.63 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Allen-Bradley 1769-PA4 is a CompactLogix I/O power supply designed to provide stable backplane power for 1769 series controllers and expansion modules. It plays a critical role in ensuring reliable operation of PLC systems by delivering regulated electrical power to both logic and field I/O components.
Technical Specifications
Parameter
Specification
Product Model
1769-PA4
Product Type
CompactLogix Compact I/O Power Supply
Input Voltage
85–265V AC
Output Power
5V DC / 24V DC backplane supply
Current Capacity
4A at 5V DC / 2A at 24V DC
Power Consumption
200–240 VA (typical)
Mounting Type
DIN rail / panel mount
Module Capacity
Up to 16 Compact I/O modules
Operating Environment
Industrial automation systems
Weight
0.63 kg
Dimensions
118 × 70 × 87 mm
Operating Temperature
0°C to 60°C
Recommended Related Models
Model
Product Name
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CompactLogix DC Input Power Supply
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CompactLogix Mid-range AC Power Supply
1769-PB2
CompactLogix DC Power Supply Module
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Applications
• CompactLogix 1769 I/O rack power distribution
Provides regulated backplane power for CompactLogix controllers and attached 1769 I/O modules in distributed automation systems.
• Industrial machine control cabinets
Used to supply stable power for PLC-based control systems in packaging, assembly, and material handling equipment.
• Process automation systems
Ensures consistent electrical supply for analog, digital, and communication modules in continuous production environments.
• Power generation and utility control panels
Supports reliable operation of control hardware in turbine, substation, and plant auxiliary systems.
• OEM equipment integration
Widely used in machine builder panels requiring compact and standardized PLC power architecture.
• System expansion I/O banks
Enables additional I/O module banks to be powered within larger CompactLogix configurations.
Advantages
• Stable dual-voltage backplane power
Delivers consistent 5V DC and 24V DC power for CompactLogix system modules.
• Wide AC input range
Supports industrial power inputs with flexible voltage compatibility for global installations.
• Reliable system-level integration
Designed specifically for seamless operation within Allen-Bradley 1769 I/O architectures.
• Supports multiple I/O modules
Allows expansion of Compact I/O banks while maintaining stable power distribution.
• Industrial-grade durability
Built for continuous operation in harsh automation environments.
• Compact and efficient design
Reduces cabinet space while maintaining high power reliability for PLC systems.
Technical FAQs
Q1: What is the main function of the 1769-PA4?
It supplies backplane power to CompactLogix 1769 controllers and I/O modules.
Q2: What input voltage does it support?
It supports a wide AC input range typically from 85–265V AC.
Q3: What output power does it provide?
It provides 5V DC and 24V DC power for system modules.
Q4: How many I/O modules can it support?
It can support up to 16 Compact I/O modules (8 on each side).
Q5: Is it compatible with all CompactLogix systems?
It is designed for 1769-based CompactLogix architectures.
Q6: Does it require configuration?
No configuration is required; it operates as a hardware power supply module.
Q7: What happens if the power supply fails?
All connected I/O modules and controller operations will stop.
Q8: Is it redundant by default?
No, redundancy is not built into this model.
Q9: Can it be DIN rail mounted?
Yes, it supports DIN rail and panel mounting installation.
Q10: Is it suitable for industrial environments?
Yes, it is designed for continuous industrial automation use.
