Schneider TM172PBG42R Modicon M17x performance controller 42 I/O Ethernet

The TM172PBG42R is a Schneider Electric Modicon M172 Performance programmable controller (blind version, no display) with 42 I/Os, designed for HVAC and pumping applications. It delivers Modbus TCP and BACnet IP over Ethernet RJ45, plus Modbus RTU and BACnet MS/TP over dual RS485 ports, operating on a 24 V AC/DC supply at 15 W.

Technical specifications:

• Commercial reference: TM172PBG42R
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Modicon M171/M172
• Product type: Programmable controller
• Total I/Os: 42
• Digital inputs: 12 (24 V AC/DC, sink or source, 2.5 mA, 10 kΩ)
• Digital outputs: 12 relay (SPST and SPDT; 3 A SPST / 1 A SPDT)
• Analog inputs: 12, configurable in pairs (NTC, PTC, Pt1000, 0...10 V, 0...5 V, 0...20 mA / 4...20 mA)
• Analog outputs: 6 (4 x 0...10 V voltage; 2 x 0...10 V / 4...20 mA / PWM 2 kHz)
• Communication ports: 1 x Ethernet RJ45, 2 x RS485, 1 x CAN, 1 x USB-A, 1 x USB mini-B
• Rated supply voltage: 24 V +/- 10% AC or 20...38 V DC
• Power consumption: 15 W
• Real-time clock: built-in
• Overvoltage category: II
• Dimensions (WxHxD): 144 x 110 x 60.5 mm
• Weight: 0.385 kg
• IP protection rating: IP20
• Pollution degree: 2
• Operating temperature: -20...60°C
• Storage temperature: -30...70°C
• Relative humidity: 5...95% non-condensing
• Mounting: DIN rail or panel
• Certifications: CE, EAC, cURus, CSA
• Standards: EN/IEC 60730, UL94 material V0

Features and benefits:

• Versatile analog inputs accept NTC, PTC, and Pt1000 temperature probes as well as voltage and current signals, configurable in pairs
• Integrated webserver accessible over Ethernet alongside Modbus TCP and BACnet IP protocols
• On-board sensor supply: 5 V DC at 50 mA and 24 V DC at 150 mA provided directly by the controller
• Three programmable LED indicators (red, yellow, green) plus a power LED for local status signaling
• Flexible relay outputs mix SPST and SPDT types with independent or shared commons to suit diverse load wiring

Applications:

• HVAC systems including air handling units, fan coil controllers, and chiller plant management
• Pumping station automation with pressure and flow regulation
• Building management system integration via BACnet MS/TP, BACnet IP, Modbus RTU, or Modbus TCP
• Industrial automation panels requiring multi-protocol field bus connectivity

Compliant with EN/IEC 60730 and UL94 (V0 material). Part of the Schneider Electric Modicon M171/M172 range.

Also known as: Schneider TM172PBG42R, Schneider Electric TM172PBG42R, Modicon M172 HVAC controller, Schneider programmable controller 42 I/O.