The Schneider Electric TM3AI4G is a 4-channel, high-speed analog input module for the Modicon TM3 modular I/O system. Designed for precision measurement in dynamic industrial processes, it acquires analog voltage or current signals from sensors and transmitters with high speed and accuracy.
Parameters
Parameter Specification
Product Range Modicon TM3 Modular I/O System
Module Type High-Speed Analog Input Module
Commercial Reference TM3AI4G
Number of Channels 4
Input Signal Type Configurable per channel: Voltage or Current
Voltage Ranges 0-10V, ±10V
Current Ranges 0-20mA, 4-20mA
Resolution 16-bit
Conversion Time 100 µs per channel (for all channels: 400 µs max)
Accuracy Typically ±0.1% of full scale at 25°C.
Input Impedance Voltage: ≥ 1 MΩ; Current: 125 Ω (internal)
Maximum Allowable Input Voltage: ±15V; Current: ±30mA
Sampling Rate Up to 10 kHz (aggregate for all channels, with configurable filtering).
Filtering Configurable digital low-pass filter (multiple time constants available).
Diagnostic Features Overrange/underrange detection, wire break detection (for 4-20mA mode).
Isolation 500 V AC between field side and bus side. Channels are not isolated from each other.
Connection Removable screw terminal block.
Diagnostic LEDs CH1-4 ERR (red): Indicates channel-specific error.
Module STATUS LED (Green/Red for power, communication, error).
Bus Interface TM3 bus via TM3 base (e.g., TM5SBER2).
Power Consumption From 5V bus: 120 mA (typical).
Operating Temperature 0°C to +60°C
Storage Temperature -25°C to +70°C
Relative Humidity 10% to 95% (non-condensing)
Certifications CE, UL, cUL, RoHS compliant.