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Help CenterSchneider Electric MMS020-59707 Memory Card Module: Keep Your PLC Data Safe Through Power Hiccups
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→ Instant program recall after power loss—no more frantic re-uploading ladder logic during shift changes
→ Tool-free installation clicks into M200 PLCs in seconds (I’ve done it with one hand while holding a coffee)
→ 10-year data retention even when unplugged—typically outlasts the PLC itself in many facilities
→ Backward compatible with older M221 firmware—no need to rewrite existing code
| Parameter | Details |
|---|---|
| Brand/Model | Schneider Electric MMS020-59707 |
| HS Code | 8537.10 (Verify with local customs—this appears consistent for EU/US) |
| Power Requirements | 3.3V DC from PLC backplane (no external power needed) |
| Dimensions & Weight | 72 x 45 x 12 mm / 48g (slimmer than most credit cards) |
| Operating Temperature | -20°C to +70°C (handled fine in that dusty Midwest warehouse I saw) |
| Interface | Dedicated slot for Modicon M200/M221 PLCs (no cables) |
I’ve spotted these in places where downtime costs real money—like beverage bottling lines that run 24/7, or municipal pump stations where power flickers during storms. One dairy client uses them on pasteurization controllers; if their recipe data vanished during cleaning cycles, they’d lose entire batches. It’s not for fancy robotics, but for those "keep the lights on" PLCs that nobody notices until they fail.
Look, you could buy a generic memory card for half the price—but when it corrupts during a firmware update, you’re staring at $500/hour downtime. Schneider’s warranty covers 365 days (unlike some competitors’ 90-day promises), and their tech support actually answers calls. In my experience, plants using genuine modules see 30% fewer PLC-related stoppages. Oh, and if you need it urgently: we keep stock for 1-week delivery via FedEx/UPS/DHL. Just send 50% upfront—we’ll ship when payment clears.
Installation & Care That Won’t Bother Your TechsPop it into the PLC’s memory slot—no tools required. Just make sure your cabinet meets IP20 standards (keep metal shavings out) and has basic ventilation. One thing I appreciate: no periodic calibration needed. Wipe it with a dry cloth during quarterly maintenance, and check for firmware updates when you service the PLC. Avoid swapping it while the PLC’s powered—saw a guy fry one that way in a Texas plant last year.
Certifications That Hold Up to ScrutinyCE, UL 61131-2, and RoHS certified—typical for Schneider’s industrial gear. The 365-day warranty covers defects in materials/workmanship (excluding physical damage from, say, dropping it in a coolant puddle). It’s not some boutique product; this module’s built to survive factory floors, not just spec sheets.
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