Siemens 6ED1055-1FB10-0BA2 LOGO! expansion modules. Siemens 6ED1055-1FB10-0BA2 is the exact printed commercial reference for a programmable logic relay in the LOGO! Logic Modules range. Siemens' official product description is: LOGO! DM16 230R expansion module, PS/I/O: 230V/230V/relay, 4 MW, 8 DI/8 DO for LOGO! 8.