What this bus module does in the ET 200M rack
The 6AG1195-7HB00-7XA0 is a SIPLUS ET 200M active bus module that holds two 40 mm-wide modules — specifically two IM 153-2 Red interface modules — and supports removal and insertion during RUN (hot-swap) in a redundant configuration.
It is rated for installation altitudes up to 5 000 m above sea level, with derated ambient temperature above 2 000 m: -10 K from Tmax at 2 000–3 500 m, -20 K at 3 500–5 000 m. The bus module meets Level GX group A/B (excluding trichlorethylene), level LC3 (salt spray), and level LB3 (oil) environmental conditions for process control systems.
The standard counterpart is 6ES7195-7HB00-0XA0; the SIPLUS version adds conformal coating and the -40 to +70 °C range for the same mechanical footprint and slot assignment.