The dummy module DM reserves a slot for a non-configured module. 9 Slot Rack Simatic S7 Bin: 12P_ Don't wait to have your unit repaired when it fails, have a hot stand by on your shelf at a reasonable price. The module must. 6ESAFAA0 S, Mounting rail, mm SIMATIC S, mounting rail, length: mm. With active backplane bus: no. Industry Support Siemens. 6ESAJAA0 S, Mounting rail, mm SIMATIC S, mounting rail, length: mm. ‎6ESAAAA0 · ‎17 x 7 x 25 cm; ,5 gramos · ‎S · ‎1 · ‎No. It can be used as dummy module for: Interface modules (without reservation. Si el usuario necesita más de 8 slots para módulos de señales/comunicación para su tarea de automatización, puede ampliar S (excepto CPU , y CPU C). slot is physically reserved, with electrical connection to the S bus. . Document Remove the measuring range module from the slot of the analog input. The dummy module reserves one slot. SIMATIC S S Module data.