Brand: Siemens Description: RAM memory card for S7-400 Condition: Brand New Certificate: COO TEST REPORT WARRANTY LETTER Warranty: 1 year Inventory Qty: 1 Payment Term: T/T Shipping Port: Shenzhen Siemens 6ES79521KP000AA0: SIMATIC S7, memory card for S7-400, long design, 5V Flash EPROM, 8 Mbyte.
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Manufacture |
Siemens |
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Model Number |
6ES79521KP000AA0 |
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Catalog |
ST74 |
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Country Of Origin |
Germany |
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HS CODE |
8538900000 |
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Dimension |
3.6*5.3*0.6cm |
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Packing Dimension |
5*7*2cm |
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Weight |
0.2kg |
Memory Card Architecture
Industrial-grade Multi-Memory Card (MMC) with 256 KB non-volatile flash storage for PLC program backup and parameter retention.
Universal Compatibility
Designed for S7-300/400 series CPUs, supporting firmware versions from V3.0 onward with backward compatibility mode.
Extended Retention Duration
Guarantees data integrity for 15+ years without power at 40°C ambient temperature (per IEC 61131-2).
Secure Write Protection
Hardware-enabled mechanical lock switch prevents accidental overwrites during maintenance operations.
High-Speed Serial Interface
Implements SPI protocol at 20 MHz clock frequency for rapid data transfers (≤15 ms/256 KB block).
Extended Thermal Range
Operational stability across -40°C to +85°C with ceramic-coated contacts preventing oxidation in humid environments.
Functional Features
It features state of the art design and engineering.
Fast Data Processing: 32 Digital I/O channels allow real-time control of complex automation tasks, including synchronizing robotic arms or conveyor belts.
Modular Extendibility: With a housing size of (120 mm × 40 mm × 80 mm) it can easily be mounted in a crowded control cabinet. Functions can easily be expanded by plugging suitable modules, such as the Siemens 6ES7331-7KF02-0AB0 analog input module.
Intuitive Set-up: Loaded with Siemens TIA Portal software, the Siemens 6ES79521KP000AA0 can be programmed with drag-and-drop logic blocks to cut down set-up time up to 30% over traditional set-up methods.
Compatible Equipment
The Siemens 6ES79521KP000AA0 is a cornerstone of Siemens’ industrial automation ecosystem.
S7-300/400 Series PLCs: Seamlessly pairs with CPUs such as 6ES7317-2EK14-0AB0 to build scalable control networks for tasks ranging from packaging to automotive assembly.
Communication Modules: Integrates with Profibus DP modules (e.g., 6ES7972-0BB12-0xA0) to enable multi-device communication across factories.
Power Supplies: Compatible with Siemens SITOP PSU8600 series, ensuring stable power delivery for mission-critical operations.
Practical Use Cases
The Siemens 6ES79521KP000AA0 shines in high-precision automation scenarios:
Pharmaceutical Production: In tablet packaging lines, this module coordinates blister sealing and labeling machines, ensuring ±0.1 mm accuracy to meet GMP standards.
Automotive Welding: By synchronizing welding robots and safety interlocks, the Siemens 6ES79521KP000AA0 reduces cycle times by 15% while maintaining weld quality in high-volume production .
Renewable Energy Systems: Used in solar panel manufacturing to control cutting and laminating processes, it adapts to variable material thicknesses without manual recalibration.
