TM2DMM24DRF Schneider Electric Modicon M238 Mixed I/O Expansion Module
Manufacturer: Schneider Electric
Product No.: TM2DMM24DRF
Condition: In stock
Product Type: Mixed I/O Expansion 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 & Global PLC Spare HUB Review
The Schneider Electric TM2DMM24DRF functions as a high-density mixed input-output expansion module tailored for the Modicon M238 Series. Featuring 16 discrete DC inputs and 8 reliable relay outputs, this expansion unit seamlessly extends controller capability for complex machine architectures. Global PLC Spare HUB Review emphasizes that utilizing modular I/O expansions allows automation engineers to scale up control loops efficiently without replacing main controller racks, optimizing both cabinet space and capital expenditure.
Technical Specifications
| Technical Parameter | Specification Detail |
|---|---|
| Manufacturer & Series | Schneider Electric / Modicon M238 Series |
| Model Number | TM2DMM24DRF |
| Discrete Inputs | 16 digital inputs operating at 24 V DC (sink or source logic) |
| Relay Outputs | 8 digital relay outputs with 2 A maximum current per channel |
| Input Impedance | 3.4 kOhm resistance for precise signal acquisition |
| Electrical Durability | Rated for 100,000 cycles under standard inductive and resistive loads |
| Mounting & Dimensions | Mounts on standard 35 mm symmetric DIN rail; dimensions 90 x 42.9 x 70 mm |
Equipment Compatibility & Industrial Applications
This expansion module is fully compatible with Modicon M238 logic controllers as well as legacy Advantys OTB and Twido architectures. Industrial control builders integrate the TM2DMM24DRF into automated packaging lines, material handling conveyors, textile machinery, and water treatment skids where mixed digital control signals are required.
Diagnostic Capabilities
Equipped with an integrated local display block, the module allows technicians to instantly verify channel statuses, monitor active input/output switching, and quickly isolate wiring faults during commissioning or routine preventive maintenance without needing external diagnostic tools.
Warranty, Logistics & Express Shipping
- Quality Assurance: Backed by a standard 12-month operational warranty.
- Global Express Delivery: Dispatched within 24 to 48 hours via trusted global logistics carriers including FedEx, UPS, and DHL.
- Secure Packaging: Carefully boxed with protective materials to ensure safe transport of spring terminal blocks and electronic housings.
Frequently Asked Questions (FAQ) & Buying Guide
Q: Can this expansion module support both sink and source wiring configurations for inputs?
A: Yes, the 24 V DC digital inputs support both sink (positive logic) and source (negative logic) wiring to match your control schema requirements.
Q: What is the maximum current rating per common group on the relay outputs?
A: Each output group is rated to handle up to 7 A of total thermal current across its assigned relay channels.
Q: How should inductive loads connected to the relay outputs be protected?
A: Always install appropriate external freewheeling diodes for DC loads or RC snubbers for AC loads to protect relay contacts from arcing and extend operating life.
Q: What key factors should guide my purchasing decision when adding I/O expansion modules?
A: Verify your controller bus compatibility, total required discrete input/output counts, and available DIN rail space inside your control enclosure.
Q: How do spring terminal blocks benefit field installation on this module?
A: Spring terminals enable quick, vibration-resistant wire insertions without requiring torque screwdrivers, saving significant time during high-density panel wiring.

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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.



