The Siemens 6AG1155-6AU00-7HM0 Programmable Logic Controller features IM 155-6 PN R1 designation with 2.4 W typical power loss and 707 V DC isolation testing. This model supports 40–70°C horizontal and 40–50°C vertical installation temperatures, operates up to 5,000 m altitude, and maintains performance across specified barometric pressure ranges. Dimensions include 50 mm width, 138 mm height, 89 mm depth, and 192 g weight without BusAdapter. Manufactured by Siemens, it belongs to the Siemens Programmable Logic Controller category and forms part of the ET Series lineup.