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Schneider Electric PC-0984-381 Modicon 984-381 Controller Module
Schneider Electric PC-0984-381 Modicon 984-381 Controller Module
Brand/Manufacturer: Schneider Electric
Order Number: PC-0984-381
Type: Programmable Logic Controllers
Country of Origin: France
Condition: Original Brand
Lead Time: Available in stock
Payment Term: 100% TT In Advance
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Description
The Schneider Electric PC-0984-381 (also designated as the Modicon 984-381) is a single-slot central processing unit and power supply main module engineered for the Modicon 984 programmable controller platform. It integrates a 16-bit processor, user memory storage, and a dual-voltage primary power supply within a single metal-clad module. Designed for medium-to-large machine control and process automation, it executes ladder logic routines while supplying operating power and communication management to Modicon 800 Series I/O racks.
Processor Capability and Extended Memory Structure
The PC-0984-381 features an expanded memory architecture compared to standard 984-380 variants. It provides 16K words of user logic memory paired with 2K words (2,048 registers) of state RAM to accommodate larger control programs, complex arithmetic functions, and data logging requirements.
Operating on a 16-bit processor architecture, the CPU maintains a logic solve speed of 5 ms per 1,000 nodes. Program protection is enforced via a physical front-panel memory lock switch, while dynamic state RAM and user logic are preserved during power loss by an internal lithium battery that provides up to 14 days of backup retention after low-battery detection.
Integrated Power Supply and Interface Configuration
The onboard primary power supply accepts wide AC utility inputs, operating at 120/220 VAC nominal (47–63 Hz) at 0.5 A / 0.25 A. Front-panel diagnostic LEDs display real-time status indicators for AC power, CPU execution mode, memory battery health, and communication link activity.
Equipped with a standard Modbus serial port, the module plugs directly into Modicon 800 Series chassis housing, driving local I/O drops and interfacing with remote I/O networks or operator interfaces.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | PC-0984-381 |
| Brand | Schneider Electric / Modicon |
| Product Type | Programmable Controller CPU and Power Supply Module |
| Series | Modicon 984 |
| User Logic Memory | 16K words |
| State RAM | 2K words (2048 registers) |
| Logic Solve Speed | 5 ms / 1k nodes |
| Input Voltage | 120 / 220 VAC (47–63 Hz) |
| Input Current | 0.5 A (120 VAC) / 0.25 A (220 VAC) |
| I/O System Compatibility | Modicon 800 Series Chassis / Drops |
| Memory Backup | Replaceable Lithium Battery (14-day low-battery holdup) |
| Security Feature | Key-switch selectable memory protection |
Frequently Asked Questions
Q: What is the primary difference between the Modicon PC-0984-381 and the PC-0984-380?
A: The PC-0984-381 offers expanded memory capacity, providing 16K words of user logic memory compared to the 8K/6K word limit on the PC-0984-380 model, making it suitable for larger automation programs.
Q: What electrical supply limits does the integrated power supply require?
A: The onboard power supply operates on standard AC utility lines rated for 120 to 220 VAC at 50/60 Hz (47–63 Hz line frequency range), drawing 0.5 A at 120 VAC or 0.25 A at 220 VAC.
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Testimonials
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- Sarah Johnson
We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.
- Sarah Johnson
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Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.
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Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.
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Professional Service with After-Sales Support"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."
- Emily Brown
"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."
- Emily Brown
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We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.
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We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.
- Michael Anderson