SCHNEIDER TM3AI4 Analog Input Module

Product Description

SCHNEIDER TM3AI4 is a Modicon TM3 Analog Input Expansion Module designed for Schneider Electric M221, M241, M251, and M262 PLC controllers. It provides 4-channel analog input acquisition for voltage and current signals used in industrial automation and process control applications.

The module converts analog field signals into digital values for PLC processing, supporting common industrial signals such as 0–10 V, ±10 V, 0–20 mA, and 4–20 mA.

Specifications

• Brand: SCHNEIDER ELECTRIC
• Model: TM3AI4
• Series: Modicon TM3
• Product Type: Analog Input Module
• Input Channels: 4 Analog Inputs
• Input Signal Types:
  • 0…10 V DC
  • -10…+10 V DC
  • 0…20 mA
  • 4…20 mA
• Resolution:
  • 12 bits
  • 11 bits + sign
• Rated Supply Voltage: 24 V DC
• Terminal Type: Removable screw terminal block
• Mounting: PLC expansion module mounting
• Compatible Controllers:
  • Modicon M221
  • Modicon M241
  • Modicon M251
  • Modicon M262

Functions

• Collects analog signals from field sensors
• Converts voltage/current signals into PLC-readable data
• Measures process variables such as:
  • Pressure
  • Temperature transmitters
  • Flow
  • Level
  • Speed feedback
• Expands PLC analog input capability
• Enables closed-loop monitoring and control systems

Advantages & Features

• Schneider Modicon TM3 modular expansion design
• 4-channel analog input capability
• Supports both voltage and current signals
• High compatibility with Modicon M2xx PLC platforms
• Compact DIN rail installation
• Easy integration with EcoStruxure Machine Expert software

Applications

• Industrial automation systems
• Machine control equipment
• Process monitoring systems
• Packaging machinery
• HVAC and building automation
• Sensor data acquisition systems

Notes

• TM3AI4 is an analog input module, not an analog output module
• Requires compatible Modicon TM3 PLC system
• Confirm input type configuration before wiring
• Voltage and current wiring must match software configuration to avoid damage
• Use shielded twisted-pair cable for sensitive analog signals