Schneider TM3TI4 Analog Input Module, Modicon TM3, 4 Temperature Inputs 24VDC

The Schneider Electric TM3TI4 is an analog input module from the Modicon TM3 series, designed to accept 4 temperature and analog inputs at 24 V DC. It supports a wide range of input types including thermocouples, RTDs, current, and voltage signals, making it a versatile measurement expansion module for Modicon PLCs.

Technical specifications:

• Commercial reference: TM3TI4
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Modicon TM3
• Product type: Analog input module
• Compatible controllers: Modicon M221, M241, M251, M262
• Number of analog inputs: 4
• Input types: Current 4...20 mA, 0...20 mA; Voltage 0...10 V, -10...10 V; Thermocouples J, K, R, S, B, T, N, E, C; Pt 100, Pt 1000, Ni 100, Ni 1000 temperature probes
• Resolution: 16-bit / 15-bit + sign
• Accuracy: +/- 0.2% of full scale at 25 °C (voltage/current and most thermocouple types)
• Temperature drift: +/- 0.01 %FS/°C
• Conversion time: 10 ms + 10 ms per channel (voltage/current); 100 ms + 100 ms per channel (thermocouple/RTD)
• Supply voltage: 24 V DC (20.4...28.8 V)
• Current consumption: 45-50 mA at 5 V DC (bus); 35-40 mA at 24 V DC (external)
• Input impedance: =< 50 Ohm (current); >= 1 MOhm (voltage, thermocouple, RTD)
• Isolation: 1500 V AC between inputs and supply; 500 V AC between inputs and internal electronics
• Dimensions (WxHxD): 23.6 x 90 x 70 mm
• Weight: 0.11 kg
• IP rating: IP20
• Operating temperature: -10...55 °C (horizontal); -10...35 °C (vertical)
• Storage temperature: -25...70 °C
• Mounting: TH35-7.5 / TH35-15 DIN rail (IEC 60715); panel/plate with mounting kit
• Connection: 10 x 1.5 mm² removable screw terminal block, 3.81 mm pitch
• Local indication: PWR LED (green)
• Certifications: CE, UKCA, RCM, EAC, cULus, cULus HazLoc
• Standard: IEC 61131-2

Features and benefits:

• Supports 9 thermocouple types (J, K, R, S, B, T, N, E, C) covering ranges from -200 °C up to 2315 °C
• Accepts Pt 100, Pt 1000, Ni 100, and Ni 1000 RTD probes for precise industrial temperature measurement
• High 16-bit resolution with +/- 0.2% full-scale accuracy at 25 °C for reliable process monitoring
• Galvanic isolation of 1500 V AC between inputs and supply ensures signal integrity in noisy environments
• Compact 23.6 mm wide housing fits on standard DIN rail alongside Modicon TM3 expansion modules
• Broad EMC compliance including ESD, radiated and conducted immunity per IEC 61000-4 series

Applications:

• Temperature monitoring in industrial automation systems using Modicon M221, M241, M251, or M262 PLCs
• Process control panels requiring multi-sensor thermocouple or RTD inputs on a single module
• HVAC, furnace, and heating system control with mixed thermocouple and analog signal acquisition
• Machine building applications where compact DIN rail expansion and high-accuracy measurement are required

Compliant with IEC 61131-2. Part of the Schneider Electric Modicon TM3 series.

Also known as: Schneider TM3TI4, Schneider Electric TM3TI4, Modicon TM3 temperature input module, TM3 analog input expansion module.