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TM2ALM3LT

The Schneider ElectricTM2ALM3LT is a mixed analog input/output expansion module from Schneider Electric's Modicon TM2 range, designed for use with Modicon M238 logic controllers . This module features 2 analog input channels specifically designed for low-level signals such as thermocouples (types J, K, T) and 3-wire Pt temperature probes, making it ideal for temperature monitoring applications . It also includes 1 analog output channel configurable for 0-10V voltage or 4-20mA current signals for precise actuator control

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Parameter Value Product Range Modicon M238 logic controller / Modicon TM2 Product/Component Type Analog input/output module Compatibility Modicon M238, Twido series, Advantys OTB Analog Inputs 2 channels, low level Analog Input Types - 3-wire Pt probe: -100...500 °C differential - Thermocouple J: 0...1200 °C differential - Thermocouple K: 0...1300 °C differential - Thermocouple T: 0...400 °C differential Analog Output 1 channel Analog Output Types Current: 4...20 mA Voltage: 0...10 V Resolution 12 bits (both input and output) LSB Value - Voltage: 2.5 mV - Current: 4.8 µA - Thermocouple: 0.1 °C - Temperature probe: 0.15 °C Input Impedance ≥ 1 MOhm Load Impedance Voltage output: ≥ 2000 Ohm Current output: ≤ 300 Ohm Sampling Duration - Temperature probe: 20 ms - Thermocouple: 60 ms Conversion Time 20 ms + 1 controller cycle time Stabilization Time 20 ms Measurement Error ±0.2% of full scale at 25°C (voltage/current/Pt probe) 0.2% of full scale ±4°C at 25°C (thermocouples) Repeat Accuracy ±0.5% FS Cross Talk ≤ 2 LSB Rated Supply Voltage 24 V DC Supply Voltage Limits 19.2...30 V DC Current Consumption - Internal (5V): 50 mA - External (24V): 50 mA Isolation Photocoupler between channel and internal logic Dielectric strength: 500 V Electrical Connection 1 removable screw terminal block Mounting Type DIN rail (symmetrical rail) Dimensions (W x H x D) 23.5 mm x 90 mm x 70 mm Net Weight 0.085 kg Operating Temperature 0°C to +55°C Storage Temperature -20°C to +70°C Cable Type Shielded cable recommended Certifications / Compliance REACh, RoHS (pro-active compliance), Toxic heavy metal free, Mercury free Warranty 18 months