Schneider Electric TWDDAI8DT Digital Input Module

Description:

The Telemecanique TWDDAI8DT is an 8-point 120 VAC discrete input expansion module designed for Twido programmable logic controller (PLC) systems, providing additional AC digital inputs for industrial machine and process control. Commonly installed in packaging machinery, conveyor systems, material handling equipment, OEM production machines, and industrial control panels requiring expansion of 120 VAC input capacity. Maintenance teams, OEMs, and system integrators use this input module for equipment replacement, PLC I/O expansion, machine retrofits, and legacy automation system upgrades.

Applications:

The Telemecanique TWDDAI8DT expands the digital input capacity of compatible Twido PLCs to monitor pushbuttons, selector switches, limit switches, relays, and other 120 VAC field devices. It is widely used in factory automation, machine control, production equipment, and process automation applications where reliable AC input monitoring improves operational efficiency and system flexibility.

Technical Specifications:

• Manufacturer Part Number (MPN): TWDDAI8DT
• Manufacturer: Telemecanique (Schneider Electric)
• Product Type: Discrete Input Expansion Module
• Product Series: Twido
• Number of Inputs: 8 Digital Inputs
• Input Voltage: 120 VAC
• Input Current: 7.5 mA at 100 VAC (typical)
• Input Impedance: 11 kΩ
• Turn-On Time: 25 ms
• Turn-Off Time: 30 ms
• Terminal Type: Removable Screw Terminal Block
• Mounting Style: DIN Rail
• Compatible Systems: Twido PLC Systems
• Application: PLC Digital Input Expansion
• Product Status: Discontinued Legacy Automation Module

Common Replacements:

• Schneider Electric TM2DAI8DT
• Schneider Electric TWDDAI8DT
• OEM equivalent TWDDAI8DT