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 6ES79521KS000AA0: SIMATIC S7, memory card for S7-400, long design, 5V Flash EPROM, 16 Mbyte.
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Manufacture |
Siemens |
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Model Number |
6ES79521KS000AA0 |
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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 |
Technical Parameters
Input current
From load voltage L+ (without load), max. : 200mA; for 8 connected, fully controlled 2-wire transmitters
From backplane bus 5 V DC, max.: 1000mA
Power loss
Power loss, typ. : 4.9 W
Analog inputs Number of analog inputs : 8
For voltage/current measurement: 8
For resistance measurement : 4
permissible input voltage for voltage input (destruction limit), max. : 18 V; 18 V continuous, 75 V for 1 ms (mark to space ratio 1:20)
permissible input current for current input (destruction limit), max. : 40 mA; Permanent
Constant measurement current for resistance-type transmitter, typ. : 1.67 mA
Functional Features
The Siemens 6ES79521KS000AA0 delivers secure and scalable data management for Siemens PLC systems:
High-Capacity Storage: With 8 MB of non-volatile memory, the card supports extensive program backups and long-term data logging for quality assurance in automotive production lines .
Plug-and-Play Compatibility: Direct integration with SIMATIC S7-300/S7-400 PLCs enables seamless firmware updates and configuration transfers, reducing downtime during system upgrades .
Advanced Data Protection: Features password encryption and CRC checks to prevent unauthorized access and ensure data accuracy in pharmaceutical batch record systems .
Associated Equipment
The Siemens 6ES79521KS000AA0 acts as a backbone for industrial automation ecosystems:
PLC Integration: Pair with S7-400 CPUs (e.g., 6ES7416-3XR05-0AB0) to automate complex processes in chemical plants, leveraging the card’s rapid data retrieval for real-time adjustments .
HMI Connectivity: Use alongside SIMATIC HMI panels (e.g., 6AV2124-0MC01-0AX0) to synchronize operator interface configurations across multiple production lines .
Network Modules: Combine with PROFIBUS DP couplers (e.g., 6ES7158-0AD01-0XA0) to enable cross-system data sharing in smart factory layouts .
Practical Use Cases
The Siemens 6ES79521KS000AA0 addresses diverse industrial challenges:
Automotive Welding Lines: Stores weld force and cycle time parameters for robotic arms, ensuring consistency across 24/7 production shifts .
Pharmaceutical Batch Control: Archives compliance-critical data (e.g., temperature logs, ingredient ratios) for FDA audits, with encryption meeting GMP standards .
Wind Turbine Monitoring: Backups SCADA system configurations, allowing swift recovery after power surges in remote wind farms.
