TM2DDO8UT Schneider Electric Modicon M238 Discrete Output Module
Manufacturer: Schneider Electric
Product No.: TM2DDO8UT
Condition: In stock
Product Type: Discrete Output Module
Product Origin: FR
Payment: T/T, Western Union
Weight: 350g
Shipping port: Xiamen
Warranty: 12 months
Estimate delivery times: 12-26 days (International), 3-6 days (United States).
Return within 30 days of purchase. Duties & taxes are non-refundable.
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Product Overview & Configuration Breakdown
The TM2DDO8UT Schneider Electric Modicon M238 Discrete Output Module expands switching capabilities for industrial automation racks. PLC programmers rely on this transistor output expansion unit for high-speed digital actuation tasks.
| Architectural Parameter | Technical Specification |
|---|---|
| Product Range & Series | Modicon M238 Logic Controller Expansion |
| Part Number Model | TM2DDO8UT |
| Output Channel Count | 8 discrete transistor outputs |
| Output Logic Type | Sink logic configuration (1 common point) |
| Rated Output Voltage | 24 V DC (operational voltage limits: 20.4 to 28.8 V) |
| Channel Current Rating | 0.3 A per channel (0.36 A maximum current per channel) |
| Electrical Connection | 1 removable screw terminal block |
Core Technical Specifications
| Operational Metric | Performance Value |
|---|---|
| Response Switching Time | 300 µs at state 0 and 300 µs at state 1 |
| Maximum Common Current | 3 A total per output common point |
| Residual Voltage Drop | 1 V maximum at state 1 |
| Maximum Tungsten Load | 8 W per output channel |
| Internal Isolation | 500 V insulation for 1 minute between channels and internal logic |
| Physical Dimensions & Weight | 90 mm height, 27.3 mm width, 84.6 mm depth; 0.085 kg net weight |
Installation & Mechanical Guidelines
- Mount securely onto standard 35 mm symmetrical DIN rails (compatible with 15 mm and 7.5 mm depth rails).
- Ensure operating voltage remains tightly regulated between 20.4 and 28.8 V DC to protect transistor circuits.
- Verify that total common current draw across active channels does not exceed the 3 A limit.
- Note that this module features built-in screw terminal blocks without internal short-circuit or overload protection.
Equipment Compatibility & Selection Guide
Expanding logic controller racks requires matching output topologies to field actuator requirements:
- System Compatibility: Cross-compatible with Advantys OTB and Twido system ranges.
- Selection Tip: Choose the TM2DDO8UT module when your Modicon M238 architecture requires 8 high-speed sink transistor outputs for fast actuation.
Typical Applications & Diagnostic Capabilities
- Controls high-speed pneumatic solenoid valves, electronic indicators, and solid-state DC relays.
- Provides rapid microsecond-level response times for precise packaging and sorting line synchronization.
- Features local LED display blocks on the front panel for instant visual status monitoring of output states.
- Maintains reliable operation in demanding industrial automation environments under Green Premium standards.
Global PLC Spare HUB Insight
Instrumentation engineers frequently encounter inductive kickback damage on transistor outputs when driving unsuppressed inductive loads. Our technical team strongly recommends installing external freewheeling flyback diodes across all DC solenoid and relay coils. Ensuring proper current limiting also protects the 0.3 A transistor channels from premature thermal degradation.
Compliance, Warranty & Logistics
- Environmental Standards: Green Premium product, REACH compliant, and Pro-active EU RoHS design.
- Quality Warranty: Backed by a standard 12-month industrial replacement warranty.
- Fulfillment Logistics: Rapid 24-48 hour global dispatch via FedEx, UPS, and DHL.
Professional Frequently Asked Questions
Q: What is the primary operational advantage of the transistor outputs on the TM2DDO8UT module?
A: They offer ultra-fast switching response times of 300 microseconds, making them ideal for high-frequency pulse and rapid cycling applications.
Q: Does this discrete output module include built-in short-circuit or overload protection?
A: No, the module is engineered without internal short-circuit or overload protection, requiring external fusing on power supply lines.
Q: How does the sink logic configuration affect field wiring to output actuators?
A: In sink logic, the module switches the negative DC return path, meaning the positive supply connects directly to the load side.
Q: What precautions should I take when mounting this unit onto a DIN rail?
A: Ensure standard 35 mm symmetrical rails are firmly secured, and allow extra clearance if pulling out the mounting clamp for panel removal.
Q: How do I verify channel switching status during routine maintenance checks?
A: Technicians can check the integrated local display block on the front panel to verify real-time operational status for each of the 8 channels.

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Q: Are these parts 100% original and new?
A: Yes. Every component is guaranteed to be 100% original, brand-new, and factory-sealed. We also provide a 12-month comprehensive warranty for your peace of mind.
Q: How fast is the shipping to my country?
A: For in-stock items, we offer same-day dispatch. International express shipping (DHL/FedEx/UPS) typically delivers within 3–5 business days worldwide.
Q: Can I get a formal quotation with shipping costs?
A: Absolutely. Our sales team is ready to provide a detailed Proforma Invoice (PI) including the most competitive shipping rates for your location.
Q: Do you offer discounts for bulk orders?
A: We provide volume-based pricing for large projects or multiple-item orders. Please contact us to get our Best Price Guarantee.
12-Month Comprehensive Warranty
Every part supplied by Global PLC Spare Hub is covered by a 12-month warranty from the date of invoice.
- Coverage: Functional defects and hardware failures under normal operating conditions.
- Commitment: We provide immediate repair, replacement, or a full refund for any verified defective components to minimize your operational downtime.
Returns & Exchange Policy
We offer a 30-day return policy to ensure you receive the exact part your system requires.
- Eligibility: Returns are accepted for uninstalled items in their original, factory-sealed packaging.
- RMA Process: Please contact our support team to obtain a Return Merchandise Authorization (RMA) number before shipping.
- Fast Processing: Refunds or exchanges are processed within 3–5 business days after the returned item passes our technical inspection.
Need Technical Assistance?Not sure if this part is compatible with your system? [Consult our Engineers] before purchasing to ensure 100% compatibility.



