1. Main Specifications| Product Series | Modicon M238 Logic Controller | | Product Type | I/O Expansion Module | | Number of Analog Inputs | 2 | | Input Level | High level | | Rated Supply Voltage [Us] | 24 V DC | | Supply Voltage Range | 20.4...28.8 V |
2. Key Selling PointsDedicated Analog Expansion Module for M238 Series:The TM2AMI2HT is a dedicated I/O expansion module for Schneider
Electric’s Modicon M238 Logic Controllers, designed to extend analog input capabilities for high-precision
acquisition of continuous signals such as temperature, pressure,
and flow. Dual-Channel High-Accuracy Analog Inputs:Features 2 analog input channels supporting multiple signal types including 0–10 V, 0–20 mA, and 4–20 mA, ideal for connecting various industrial sensors (e.g.,
temperature transmitters, pressure transducers), suitable for
mid-to-high-end automation applications. Direct Connection for Thermocouples & RTDs:Equipped with High Temperature (HT) measurement capability, it directly accepts RTDs such as Pt100, Pt1000, Ni1000 and Thermocouples (J, K, T, E, N, R, S types), eliminating the need for external transmitters, simplifying
system design and reducing costs. High Resolution & Measurement Accuracy:Utilizes a high-resolution ADC for precise temperature and analog
signal measurement, with typical accuracy within ±0.5%, ensuring stable and reliable process control.
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