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6ES7952-1KS00-0AA0

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With 16 MB of nonvolatile Flash EPROM storage, Siemens 6ES7952-1KS00-0AA0 is a long-design SIMATIC S7-400 memory card that retains CPU load memory without battery power.
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Technical specifications for 6ES7952-1KS00-0AA0

  • Manufacturer:
    Siemens
  • Part Number:
    6ES7952-1KS00-0AA0
  • Product Family:
    Siemens Simatic S7-400
  • Product Type:
    Flash EPROM Memory Card
  • Stock:
    1
  • Memory Technology:
    Flash EPROM
  • Storage Capacity:
    16 Mbyte
  • Card Design:
    Long form
  • Operating Voltage:
    5 V DC
  • Current Consumption:
    55 mA typical; 110 mA maximum
  • Weight:
    0.112 lbs (0.051 kg)
  • Estimated shipping dimensions:
    13.4x9.1x1.5cm
  • Tariff Code:
    85235110
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Card Architecture CPU Loading Electrical Load Selection Checks

Features:

  • Sixteen megabytes of Flash EPROM retain the stored load-memory contents without battery support.
  • The long card design matches the defined SIMATIC S7-400 memory-card form.
  • A 5 V card interface supplies the electronics during programming and CPU access.
The card holds persistent program and configuration content separately from the CPU work-memory area.

Flash technology permits the stored project to survive removal of operating power while remaining electrically programmable.

Correct selection depends on the required 16 MB capacity and the long S7-400 card format, not only on the 6ES7952 family prefix.

The Siemens 6ES7952-1KS00-0AA0 SIMATIC S7-400 16 MB Flash EPROM Memory Card may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6ES7952-1KS00-0AA0 SIMATIC S7-400 16 MB Flash EPROM Memory Card Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

Long-Format Memory Construction

  • Card body: The long mechanical form aligns the connector and board with the designated S7-400 memory slot.
  • Storage array: Flash EPROM cells hold 16 MB of load-memory data independently of the CPU's working RAM.
  • Connector path: The card edge carries both the 5 V supply and the addressable memory signals through the CPU slot.
  • Persistent content: Removal of controller power does not erase the programmed Flash EPROM image.

Project Storage and Transfer

  • Load-memory role: Program blocks and configuration data reside on the card before the CPU copies required content for execution.
  • Capacity check: The complete load-memory image must fit within the selected 16 MB card capacity.
  • Power cycle: Stored project content remains present when the controller supply is switched off and restored.
  • Slot match: The CPU must provide the S7-400 long-card interface rather than a different SIMATIC memory format.

Five-Volt Card-Slot Demand

  • Supply source: The S7-400 card slot provides the 5 V operating supply directly to the memory electronics.
  • Typical demand: Normal card access draws approximately 55 mA from the 5 V interface.
  • Maximum demand: The documented current ceiling is 110 mA and belongs to the complete memory card.
  • Retention state: Flash data remains stored even after slot power is removed.

Order-Code Details That Must Match

  • Capacity code: The 1KS00 selection identifies the 16 MB storage class rather than a smaller S7-400 card.
  • Memory medium: This order number specifies Flash EPROM, not a volatile RAM card.
  • Mechanical form: Long design is part of the order configuration and must fit the target CPU slot.
  • Complete suffix: The full 6ES7952-1KS00-0AA0 number distinguishes this exact card from adjacent capacities and forms.
Description
Nonvolatile program storage is provided by Siemens 6ES7952-1KS00-0AA0, a long-design 16 MB Flash EPROM memory card for the SIMATIC S7-400 automation platform.

Once the CPU transfers load memory to 6ES7952-1KS00-0AA0, the Flash EPROM retains that content without depending on a backup battery, separating persistent project storage from the controller's volatile work memory.

The long card body of 6ES7952-1KS00-0AA0 enters the S7-400 memory-card slot and draws its operating current from the 5 V card supply, so capacity, form factor, and voltage must all match the intended CPU configuration.
Alternative Names
6ES79521KS000AA0 6ES7952 1KS00 0AA0 6ES 7952 1KS00 0AA0 Siemens 6ES7952-1KS00-0AA0 6ES7952-1KS00-0AA0 16 MB memory card 6ES7952-1KS00-0AA0 Flash EPROM card 6ES7952-1KSOO-0AA0 6ES7952-IKS00-0AA0
Technical notes
Siemens 6ES7952-1KS00-0AA0 is a long-format 5 V Flash EPROM card that supplies 16 MB of nonvolatile load memory for SIMATIC S7-400 controllers.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What information does 6ES7952-1KS00-0AA0 retain when the S7-400 is powered down?
The Flash EPROM in 6ES7952-1KS00-0AA0 keeps its programmed load-memory blocks and configuration content without a backup battery.
Why must the long form of 6ES7952-1KS00-0AA0 be checked before installation?
The 6ES7952-1KS00-0AA0 uses the long S7-400 card geometry, so the receiving CPU slot must match that mechanical and electrical format.
Is 6ES7952-1KS00-0AA0 a RAM memory card?
No. The 6ES7952-1KS00-0AA0 is a 16 MB Flash EPROM card, so its stored content is nonvolatile.
How does the 5 V rating affect 6ES7952-1KS00-0AA0 selection?
The 6ES7952-1KS00-0AA0 is powered through a 5 V S7-400 memory-card interface and draws up to the documented 110 mA limit.
Which capacity should be planned for a project using 6ES7952-1KS00-0AA0?
The complete load-memory image for 6ES7952-1KS00-0AA0 must fit within the card's 16 MB Flash EPROM capacity.