Parameters Power & Mounting Supply Voltage: • DC: 24 VDC • AC: 12 VAC to 24 VAC (50/60 Hz) Mounting: DIN Rail (35 mm) Protection Rating: IP20 (typical for industrial PLC modules) I/O Configuration Type Quantity Digital Inputs 6 Digital Outputs 6 Analog Inputs 5 Analog Outputs 5 Total I/Os 22 Analog inputs/outputs configurable for various signal types depending on controller setup. Electrical Outputs Digital outputs typically relay type Relay outputs rated up to ≈2 A at 250 VAC (resistive) depending on configuration Operating Conditions Ambient Temperature (Operating): –20 °C to +55 °C (–4 °F to +131 °F) Humidity: 10 – 90 % non‑condensing Storage Temperature: –40 °C to +85 °C Standards & Compliance Complies with industrial PLC directives (RoHS, CE etc.) Not intended for safety functions (not SIL/PL certified) Usage Notes Designed only for expansion of a compatible Modicon M171 Optimized controller — it cannot operate standalone without the base PLC. Analog I/O channels often support multiple signal types (voltage/current, PWM/PWM, thermistor/NTC) depending on configuration in the PLC program. Typical Applications HVAC automation Machine control requiring additional mixed I/O Building management systems with extended sensor/actuator needs