The Siemens 6ED1056-7DA00-0BA0 is a spare-part memory/battery card for the LOGO! controller series, carrying 32 kbyte of Flash-EPROM memory for program and know-how protection, and powering the real-time clock for up to 2 years.
Sourcing & Availability
As a current-production spare part, 6ED1056-7DA00-0BA0 is sourced to order against a confirmed RFQ. There is no official replacement or cross-reference listed; the card is the designated memory-battery module for LOGO! systems requiring the 32-kbyte Flash-EPROM option.