Siemens 6ED1055-1MM00-0BA2 LOGO! expansion modules. Siemens 6ED1055-1MM00-0BA2 is the exact printed commercial reference for a programmable logic relay in the LOGO! Logic Modules range. Siemens' official product description is: LOGO! AM2 AQ expansion module, PS: 24 V DC, 2 AO, 0-10 V, 0/4-20 mA for LOGO! 8.