The Siemens 6AG1057-1AA01-0BA6 is a LOGO! PROM V6 programming device, listed as a spare part for five specific LOGO! base modules: 6ED1056-1BA00-0AA0, 6ED1056-4BA00-0AA0, 6ED1056-5CA00-0BA0, 6ED1056-1DA00-0BA0, and 6ED1056-7DA00-0BA0. It runs at 100...230VAC 50/60Hz and carries firmware version 6.1 on hardware revision 2.0.
Sourcing this exact order code as a spare part ensures the PROM programmer is factory-loaded with the correct firmware image for the listed modules. Any RFQ should reference the hardware revision and firmware version (E:2.0, FW:6.1) to guarantee compatibility.