The 3AXD50000039035: Wall-mounted, IP55 with NEMA Type 12 enclosure — rated for dust and hose-down in indoor water treatment environments. Ambient limit is 40 °C, altitude up to 4000 m, and humidity 5–95% non-condensing. Standby loss sits at 14 W, sound level 59 dB(A).
Onboard I/O: 2 analog inputs, 2 analog outputs, 6 digital inputs, 3 digital outputs. Communication is CAN; there is no industrial Ethernet interface on this variant. A CR2032 lithium coin cell (220 mAh, 3 V) backs the real-time clock.
