Schneider TM3DM24RG Discrete IO Module, Modicon TM3, 16 Inputs, 8 Relay Outputs,

The Schneider Electric TM3DM24RG is a Modicon TM3 digital I/O expansion module featuring 16 digital inputs and 8 relay outputs with spring-clamp connectors. Designed for compact automation systems, it supports 24 V DC inputs and relay outputs rated up to 240 V AC / 24 V DC at 2000 mA per channel.

Technical specifications:

• Commercial reference: TM3DM24RG
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Modicon TM3
• Product type: Digital I/O module
• Compatible controllers: Modicon M221, M241, M251, M262
• Number of digital inputs: 16 (IEC 61131-2 Type 1)
• Input logic: Sink or source (positive/negative)
• Input voltage: 24 V DC
• Input current: 7 mA per input
• Input impedance: 3.4 kΩ
• Guaranteed state 1: 15...28.8 V / >= 2.5 mA
• Guaranteed state 0: 0...5 V / <= 1 mA
• Number of digital outputs: 8
• Output type: Normally open relay
• Output voltage: 24 V DC / 240 V AC
• Output current: 2000 mA per relay output
• Maximum current per common output point: 7 A
• Response time: 4 ms (ON), 4 ms (OFF)
• Mechanical endurance: 20,000,000 cycles
• Minimum load: 10 mA at 5 V DC (relay output)
• Connection: Removable spring-clamp terminals, 1.5 mm², 3.81 mm pitch (17 for inputs, 11 for outputs)
• Maximum cable length: <30 m (unshielded, standard input)
• Local indication: 1 green LED per I/O channel
• Mounting: DIN rail TH35-7.5 / TH35-15 (IEC 60715), or panel with mounting kit
• Dimensions (WxHxD): 42.9 x 90 x 84.6 mm
• IP rating: IP20 (with protective cover in place)
• Operating temperature: -10...35 °C (vertical), -10...55 °C (horizontal)
• Storage temperature: -25...70 °C
• Relative humidity: 10...95%, non-condensing
• Pollution degree: 2
• Certifications: CE, cULus, UKCA, RCM, EAC, cULus HazLoc
• Standard: IEC 61131-2

Features and benefits:

• Expands Modicon M221, M241, M251, and M262 controllers with 24 combined I/O points
• Relay outputs support both AC and DC loads up to 240 V AC / 2000 mA, providing versatile load switching
• Removable spring-clamp terminals simplify wiring and maintenance without tools
• Per-channel LED status indicators enable fast diagnostics and commissioning
• Isolation between input and output groups at 1500 V AC ensures safe mixed-voltage installations
• Certified for hazardous locations (cULus HazLoc) in addition to standard industrial environments

Applications:

• Expanding digital I/O capacity in Modicon M221/M241/M251/M262 PLC-based automation panels
• Control of motors, solenoids, and contactors via relay outputs in machine automation
• Building automation and HVAC control systems requiring mixed input/output I/O expansion
• Industrial process control panels where relay switching of AC or DC loads is required

Compliant with IEC 61131-2. Part of the Schneider Electric Modicon TM3 range.

Also known as: Schneider TM3DM24RG, Schneider Electric TM3DM24RG, TM3 digital I/O module, Modicon TM3 relay output expansion module.