SIPLUS LOGO! DM8 24 -40...+70°C start up -25°C with conformal coating based on 6ED1055-1CB00-0BA2 . Expansion module, SV/I/O: 24V/24V/trans., 4 DI/4 DO for LOGO! 8 The LOGO! expansion modules make it possible to expand a LOGO! configuration very individually. A LOGO! 8 basic device can be expanded to 24 digital inputs, 20 digital outputs, 8 analog inputs and 8 analog outputs. Ten different expansion modules are available for this purpose, which enable the addition of digital and analog inputs and outputs with different input voltages. SIPLUS extreme is exactly the right thing if your automation components are exposed to changing temperatures, high humidity and even condensation and frost. So you can be sure that reliable function is guaranteed.