The Schneider PC 001 program memory card provides secure storage for application programs and configuration data. This compact module retains user programs during power outages for Modicon M340 controllers. Its slim card measures 85 mm in length, 54 mm in width, and 5 mm in thickness.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Schneider Electric |
| Model | PC 001 |
| Category | Program Memory Card |
| Memory Type | Flash EEPROM |
| Memory Capacity | 128 KB |
| Data Retention | > 10 years (without power) |
| Write Cycles | 100,000 (minimum) |
| Operating Voltage | 3.3 V DC (via CPU slot) |
| Power Consumption | 0.2 W |
| Access Time | 120 ns |
| Compatibility | Modicon M340 CPUs |
| Dimensions (L×W×H) | 85 × 54 × 5 mm |
| Weight | 0.02 kg |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | –25°C to +85°C |
| Protection Rating | IP20 |
| Component Count | 4 (integrated circuits) |
| Packaging | Anti-static bag |
Memory Architecture and Storage Capacity
The Schneider PC 001 offers 128 KB of flash EEPROM storage for user programs and parameters. This capacity accommodates medium-sized control applications with multiple function blocks. The memory retains all stored content without an external battery for backup. Users can write and erase data for up to 100,000 cycles during development and updates.
Data Retention and Long-Term Reliability
This memory card retains stored data for over ten years without any external power supply. Such long retention eliminates concerns about program loss during extended plant shutdowns. The flash technology provides non-volatile storage that requires no periodic battery replacement. This reliability ensures the controller remains ready to operate after long idle periods.
CPU Compatibility and System Integration
The Schneider PC 001 works with all Modicon M340 CPU models from the BMX P34 series. Users insert the card directly into the designated memory slot on the CPU module. The processor automatically recognizes the card and loads the program upon startup. This plug-and-play compatibility reduces installation time and simplifies field replacements.
Access Performance and Operating Speed
The module delivers fast access times of 120 ns for rapid program execution. This speed ensures the CPU retrieves instructions without introducing processing delays. The memory interface operates at 3.3 V DC supplied directly by the CPU slot. Such performance supports time-sensitive control tasks and rapid scan cycle execution.
Physical Design and Component Quality
This small PCB contains four integrated circuits arranged in a compact layout for reliability. The card uses surface-mount technology to minimize size and weight effectively. A protective coating on the PCB shields the circuitry from dust and handling damage. The anti-static packaging preserves the module during transport and storage.
Installation and Handling Instructions
Insert the Schneider PC 001 into the CPU memory slot with the label facing upward. Press the card firmly until the locking mechanism engages securely. Avoid touching the gold-plated edge connectors to prevent contamination. Remove the card by pressing the ejector tab on the side of the module.
Details
| Weight | 0.25 kg |
|---|---|
| Dimensions | 130 × 100 × 20 mm |
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