Schneider TM3AI2H Analog Input Module, Modicon TM3, 2 Analog Inputs High Resolut

The Schneider Electric TM3AI2H is a high-resolution analog input module in the Modicon TM3 expansion range, offering 2 analog input channels at 16-bit resolution. It accepts current (0...20 mA, 4...20 mA) and voltage (0...10 V, -10...10 V) input types, and is compatible with Modicon M221, M241, M251, and M262 controllers. Absolute accuracy reaches +/-0.1% of full scale at 25°C for demanding process measurement applications.

Technical specifications:

• Commercial reference: TM3AI2H
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Modicon TM3
• Number of analog inputs: 2
• Input signal types: Current 0...20 mA, Current 4...20 mA, Voltage 0...10 V, Voltage -10...10 V
• Resolution: 16 bits (15 bits + sign)
• Absolute accuracy: +/-0.1% FS at 25°C; +/-1% FS
• Input impedance: <=50 Ω (current); >=1 MOhm (voltage)
• Nominal supply voltage: 24 V DC (range: 20.4...28.8 V)
• Isolation: 1500 V AC (inputs to supply); 500 V AC (inputs to internal electronics)
• Connection: 11 x 2.5 mm² removable screw terminal block, 5.08 mm pitch
• Mounting: DIN rail TH35-7.5 / TH35-15 per IEC 60715; panel mounting with kit
• Dimensions (WxHxD): 23.6 x 90 x 70 mm
• Weight: 0.115 kg
• IP protection: IP20
• Operating temperature: -10...55°C (horizontal); -10...35°C (vertical)
• Standard: IEC 61131-2
• Certifications: CE, UKCA, RCM, EAC, cULus, cULus HazLoc

Features and benefits:

• 16-bit high-resolution conversion with +/-0.01%FS non-linearity for precise signal capture
• Four input modes covering unipolar and bipolar current and voltage ranges
• Galvanic isolation at 1500 V AC between inputs and supply for system protection
• Compact 23.6 mm width for space-efficient DIN rail installation in control panels

Applications:

• 4...20 mA transmitter signal acquisition in industrial automation control panels
• Sensor feedback monitoring in machine automation with Modicon M241 or M251 controllers
• Building automation and HVAC systems requiring precise analog measurements

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

Also known as: Schneider TM3AI2H, Schneider Electric TM3AI2H, TM3 analog input module, Modicon TM3 high resolution analog expansion.