Analog input module SM331, 8‑channel galvanic‑isolated AI, resolution 9/12/14 bits, support voltage/current/RTD Pt100/Ni100 / thermocouple E/J/K/L/N, 24VDC power supply, 20‑pin front connector, range card setting, diagnostic & alarm function, SF fault LED, DIN‑rail S7‑300 U‑rack mounting, dimension 40×125×117mm, 500V DC isolation test, CE/UL certified, phase‑out product
