Excellent PLC
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Product Introduction
The Schneider TM2DDI32DK is a modular digital input expansion module designed to extend the input capacity of Modicon M221, M241, and M251 PLCs. With 32 discrete input channels, this product supports applications where a high number of digital signals must be processed with reliability and speed. Its robust construction, DIN rail mounting capability, and compatibility with Schneider’s TM2 expansion system make it a popular choice in a range of industrial control systems.
Built for demanding automation environments, the TM2DDI32DK delivers performance that meets the modern requirements of flexibility, compactness, and ease of integration.
Technical Specifications
| Parameter | Details |
|---|---|
| Model | TM2DDI32DK |
| Manufacturer | Schneider Electric |
| Product Type | Digital Input Module |
| Number of Inputs | 32 |
| Input Type | Discrete (sink or source) |
| Input Voltage | 24 V DC |
| Input Current | Typically 3 mA |
| Response Time | ≤ 4.5 ms |
| Mounting Type | DIN rail |
| Communication | Via backplane to Modicon PLC |
| Operating Temperature | -10 °C to +55 °C |
| Storage Temperature | -25 °C to +70 °C |
| Dimensions | 81.3x 90x 33.5mm |
| Weight | 0.081kg |
| Certifications | CE, cULus, EAC |
Applications
The Schneider TM2DDI32DK is suitable for a wide range of applications, including:
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Industrial machine automation requiring high-volume discrete input monitoring
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Packaging lines needing quick response to multiple sensor signals
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Building automation systems where space-saving modules are essential
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Conveyor systems and sorting machines in logistics and warehousing
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Water treatment plants requiring reliable input detection for process control
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Small-to-medium automated assembly systems in manufacturing
Product Advantages
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Compact Design: Fits easily into control cabinets, saving valuable space.
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High Channel Density: Offers 32 inputs in a single slim module.
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Seamless Integration: Fully compatible with Modicon M221, M241, and M251 PLCs.
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Easy Installation: DIN rail mounting and standardized connectors simplify assembly.
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Reliable Performance: Fast input response time ensures precise signal processing.
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Flexible Wiring: Supports sink or source wiring, accommodating various field devices.
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Industrial Durability: Operates in wide temperature ranges and harsh environments.
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Standard Certifications: Compliance with CE, cULus, and EAC ensures safety and global use.
Frequently Asked Questions (FAQ)
Q1: What PLC series is TM2DDI32DK compatible with?
A1: It is compatible with Schneider’s Modicon M221, M241, and M251 PLCs.
Q2: Can the TM2DDI32DK be used in outdoor environments?
A2: It is designed mainly for indoor installation within electrical enclosures due to its IP rating.
Q3: What is the power supply voltage required?
A3: It requires a 24 V DC supply for input signals.
Q4: Does it support hot swapping?
A4: No, it must be powered down before adding or removing modules.
Q5: How do I connect it to a PLC?
A5: It connects via the TM2 backplane bus when mounted on the DIN rail beside the controller.
Q6: Can it detect both NPN and PNP signals?
A6: Yes, it can handle both sink (NPN) and source (PNP) wiring configurations.
Q7: What is its typical response time?
A7: Approximately ≤ 4.5 ms, allowing quick detection of input changes.
Q8: How many TM2DDI32DK modules can I add?
A8: It depends on the controller and power budget; typically, multiple modules can be added until system limits are reached.
Q9: Is there any special software needed?
A9: Programming and configuration are done via Schneider’s EcoStruxure Machine Expert (formerly SoMachine).
Q10: What is the weight of the module?
A10: 0.081kg, making it lightweight for panel installations.
Recommended Related Models (Same Series or Similar)
| Model | Description |
|---|---|
| TM2DDO32TK | 32-channel digital output module (transistor outputs) |
| TM2DDI16DK | 16-channel digital input module |
| TM2DDO16TK | 16-channel digital output module (transistor outputs) |
| TM2AMM6HT | Analog mixed module (4 inputs, 2 outputs) |
| TM2DQ32TK | 32-channel transistor output module |
| TM2AI8HT | 8-channel analog input module |
Popular Schneider Modules (Same Brand)
| Model | Type | Inputs/Outputs | Dimensions (mm) | Weight |
|---|---|---|---|---|
| TM2DDO32TK | Digital Output Module | 32 outputs | 54 x 90 x 70 | ~150 g |
| TM2AMM6HT | Analog Mixed Module | 4 in / 2 out | 54 x 90 x 70 | ~160 g |
| TM2AI8HT | Analog Input Module | 8 inputs | 54 x 90 x 70 | ~160 g |
| TM2DO16TK | Digital Output Module | 16 outputs | 45 x 90 x 70 | ~140 g |
| TM2DI16DK | Digital Input Module | 16 inputs | 45 x 90 x 70 | ~140 g |
| TM2DDO8TK | Digital Output Module | 8 outputs | 45 x 90 x 70 | ~140 g |
| TM2AI4HT | Analog Input Module | 4 inputs | 45 x 90 x 70 | ~140 g |
| TM2DO8TK | Digital Output Module | 8 outputs | 45 x 90 x 70 | ~140 g |
