1769-PA4 Allen-Bradley PLC Programmable Logic Controller -20°C To 60°C 50/60Hz
1769-PA4 Description
The Allen-Bradley 1769-PA4 is a 24V DC, 4.5 Amp output power supply module designed specifically for the CompactLogix and Compact I/O platform. It mounts directly to the 1769 chassis and provides regulated power to the controller, communication adapters, and up to eight local I/O modules on the same bus. Its primary function is to convert standard 120/240V AC line voltage into a clean, stable 24V DC source, ensuring reliable operation of the entire Compact I/O system.
1769-PA4 Features
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Direct-Connect Design: Mounts seamlessly onto the 1769 endcap or between modules, providing a compact, integrated power solution that eliminates the need for separate power wiring to each module on the local bus.
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Dual Input Voltage (120/240V AC): Features a wide-range AC input (85-264V AC), allowing flexible installation in various regions and facilities without requiring a different model, simplifying inventory and selection.
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Power Bus Distribution: Provides up to 4.5A of continuous 24V DC power on the module's backplane. This powers the logic circuits of all connected I/O modules and the controller, while field device power is sourced separately.
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Diagnostic Indicators: Includes clear LED status indicators for "Power OK" and "Fault" conditions, enabling quick visual confirmation of power supply health and facilitating easy troubleshooting.
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Compact and Reliable: Engineered to fit the 1769 form factor, saving panel space while delivering industrial-grade reliability with protection against overload, over-voltage, and short circuits.
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System Compatibility: Fully compatible with all 1769 Compact I/O modules (digital, analog, specialty) and 1769-L2x/L3x series CompactLogix controllers.
1769-PA4 Material & Primary Applications
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Materials: The housing is a high-strength, flame-retardant polycarbonate plastic. Internal components include a switching power supply with industrial-grade transformers, capacitors, and filtering circuits.
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Powering local Compact I/O racks for machine control
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Providing logic power to CompactLogix controllers (L2, L3 series)
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Small to medium-sized standalone control panels
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OEM machinery requiring a compact, integrated control system
1769-PA4 Important Parameters
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Compact I/O AC Power Supply
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1.5A @ 120V AC, 0.75A @ 240V AC
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ms (Typical, at full load)
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Overload, Short Circuit, Over-voltage
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Power OK (Green), Fault (Red)
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All 1769 Compact I/O & CompactLogix L2/L3
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Provides logic/backplane power only
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1500V AC (Input to Output)
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mm (4.65 x 1.77 x 4.13 in)
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Frequently Asked Questions:
1. Q: Do you provide warranty for the goods?
A: Yes, we provide warranty for all the goods from us.We offer one year warranty for New items,6 months warranty for Used items.
2. Q: Could you provide technology support?
A: We're in this field many year. If there's any problem, please contact with us,we'll provide suggestion from our engineer to help you solve problem.
3. Q: Do you keep goods in stock or only trading?
A: We have large warehouse for goods and keeping lots of goods in warehouse, so we could delivery the items in short lead time.
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