The Siemens 6ES7953-8LL31-0AA0 is a Siemens Micro Memory Card with 2 MB capacity. First, it stores user programs, configuration, and data for Siemens controllers. Then, it serves SIMATIC S7-300, C7, and ET 200 automation platforms. As a result, technicians can load, back up, and transfer program data easily. This card uses 3.3 V non-volatile flash memory.
Siemens Micro Memory Card specifications
The card provides 2 MB of flash-EPROM storage. In addition, it supports a minimum of 100,000 write and delete cycles. Then, it retains data for at least 10 years after final programming. Also, its compact form measures about 24 x 32 x 1.4 mm. Furthermore, the lightweight card weighs roughly 2 grams.
- SIMATIC S7 Micro Memory Card (MMC)
- Capacity: 2 MB flash-EPROM, 3.3 V
- For Siemens S7-300, C7, and ET 200 systems
- Minimum 100,000 write/delete cycles
- Data retention: at least 10 years
- Dimensions: approximately 24 x 32 x 1.4 mm; about 2 g
Ordering information
Life Safety Consultants stocks this card as a genuine Siemens OEM part. However, always confirm the card fits your specific controller and firmware. Therefore, verify your S7 platform requirements before ordering.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 0.2 lbs |
|---|---|
| Dimensions | 0.1 × 4 × 4.5 in |
| Condition | New |
| Manufacturers | Siemens |
| Part Type | Interface Module |







