Maintenance and service
7.11 Saving data and updating the IM 153-4 PN
ET 200M
Operating Instructions, 04/2022, EWA-4NEB7806006-09
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7.11 Saving data and updating the IM 153-4 PN
Storage medium
A SIMATIC Micro Memory Card is used as the storage medium for the IM 153-4 PN. The MMC
can be used as a portable data medium.
On a SIMATIC Micro Memory Card you can save either technology data (device name) or data
for a firmware update.
Service life of a SIMATIC Micro Memory Card
The service life of a SIMATIC Micro Memory Card depends essentially on the following factors:
• Number of deletion or programming operations
• external influences, such as ambient temperature
At an ambient temperature up to 60 °C, the useful life of a SIMATIC Micro Memory Card is 10
years at a maximum of 100,000 delete/write operations.
Plug-in SIMATIC Micro Memory Cards
The following memory modules are available:
Table 7- 3 Available SIMATIC Micro Memory Cards
SIMATIC Micro Memory Card 64k
SIMATIC Micro Memory Card 128k
SIMATIC Micro Memory Card 512k
SIMATIC Micro Memory Card 2M
SIMATIC Micro Memory Card 4M
SIMATIC Micro Memory Card 8M
A SIMATIC Micro Memory Card 64k is sufficient for saving the device name. The SIMATIC
Micro Memory Cards with at least 2 MB of storage capacity are required when conducting a
firmware update.