TM172PBG42R – Modicon M172 HVAC Controller with 12 Discrete Inputs & Analog I/Os

The TM172PBG42R is a programmable logic controller from Schneider Electric’s Modicon M171/M172 series, specially built for HVAC automation. It comes with 12 discrete inputs that support both sink and source logic, providing flexibility in wiring and signal control.

In addition, this controller includes 12 configurable analog inputs and 2 analog outputs (4–20mA or ±0 to ±10V), ideal for precise control of temperature, pressure, or flow in HVAC systems. Designed for panel mounting, the product offers IP20 protection and features LEDs for power status and programmable functions, helping users monitor operations at a glance.

Key Features of TM172PBG42R 

• Model: TM172PBG42R
• Discrete Inputs: 12 (sink/source logic)
• Analog Inputs: 12 configurable
• Analog Outputs: 2 (4–20mA / ±0–10V)
• Protection Rating: IP20
• Indicators: Programmable and power LEDs
• Certifications: CE, EAC, CSA, CURus
• Compliance: EN/IEC 60730
• Software Support: EcoStruxure Machine Expert – HVAC
• Mounting: Panel-mounted

The product is a reliable and flexible solution for HVAC control, helping improve energy efficiency while offering scalable automation for growing system needs.