Schneider TM3RDM32R Discrete I/O Module
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13666084105 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||

Technical Specifications
| Parameter | Description |
|---|---|
| Brand | Schneider Electric |
| Product Model | TM3RDM32R |
| Product Name | Discrete I/O Module |
| Product Series | Modicon TM3 |
| Product Type | Digital Combination I/O Expansion Module |
| Total I/O Points | 32 |
| Digital Input Channels | 16 |
| Digital Output Channels | 16 |
| Input Type | 24 V DC digital inputs |
| Input Standard | IEC/EN 61131-2 Type 1 |
| Input Logic | Sink / Source |
| Rated Input Voltage | 24 V DC |
| Input Voltage Range | 0–28.8 V DC |
| Rated Input Current | 5 mA |
| Input Impedance | 4.7 kΩ |
| Input Response Time | 4 ms ON; 4 ms OFF |
| Output Type | Relay output |
| Output Contact Type | Normally Open (NO) |
| Rated Output Voltage | 24 V DC / 240 V AC |
| Maximum Output Current per Channel | 2 A |
| Maximum Current per Common Group | 4 A |
| Number of Output Common Groups | 4 |
| Output Response Time | Maximum 10 ms ON; maximum 10 ms OFF |
| Mechanical Service Life | Approximately 20,000,000 operations |
| Minimum Switching Load | 5 V DC, 10 mA |
| Input Indicators | Green LED status indicator for each channel |
| Output Indicators | Green LED status indicator for each channel |
| Electrical Connection | Removable screw terminals |
| Input Terminal Specification | 9 × 1.5 mm², 3.81 mm pitch |
| Output Terminal Specification | 11 × 1.5 mm², 3.81 mm pitch |
| Internal Bus Current Consumption | 5 V DC: 95 mA; 24 V DC: 80 mA |
| Maximum Input Cable Length | 50 m |
| Maximum Output Cable Length | 150 m |
| Mounting Type | 35 mm DIN rail or panel mounting |
| Protection Rating | IP20 |
| Operating Temperature | 0°C to +55°C (horizontal mounting) |
| Storage Temperature | -25°C to +70°C |
| Certification Marking | CE |
| Compatible Controller Series | Modicon Easy M200 |
| Dimensions | 90 × 84.6 × 51 mm |
| Weight | 0.208 kg |
FAQ
Q1: What is the main function of the Schneider TM3RDM32R Discrete I/O Module?
The TM3RDM32R is a combination digital input and output expansion module with 16 digital inputs and 16 relay outputs, providing 32 I/O points in total. It receives status signals from field devices such as sensors, push buttons, and switches, while its relay outputs control solenoid valves, contactors, indicator lights, and other actuators.
Q2: What wiring configurations are supported by the TM3RDM32R digital inputs?
The module provides 16 digital inputs operating at 24 V DC and supports both Sink and Source wiring configurations. The inputs comply with the IEC/EN 61131-2 Type 1 standard. During installation, select the correct input logic according to the sensor output type and connect the common terminals properly to prevent incorrect input detection.
Q3: What are the main characteristics of the TM3RDM32R relay outputs?
The module provides 16 normally open relay outputs. Each channel supports a maximum current of 2 A, while each common group supports a maximum current of 4 A. The relay contacts can switch compatible AC or DC loads within their rated limits. Because the outputs use mechanical contacts, they are suitable for standard switching applications but not for high-frequency pulse output.
Q4: Which field devices can be connected to the TM3RDM32R?
The digital inputs can connect to proximity sensors, photoelectric sensors, limit switches, push buttons, and other 24 V DC switching devices. The relay outputs can control solenoid valves, contactor coils, alarm devices, and indicator lights. Always check the operating voltage, rated current, and load type before connecting external equipment.
Q5: Does the module provide electrical isolation between its inputs and outputs?
The module uses an electrical isolation design between the input and output groups. The specified isolation level is 1500 V AC / 2500 V DC. The isolation arrangement may differ between individual input and output groups. Relay outputs do not provide short-circuit protection, so appropriate external fuses or protective devices must be installed according to the load requirements.
Q6: What should be considered when several relay outputs operate simultaneously?
Both the individual channel current and the common-group current must remain within their specified limits. Each output channel supports a maximum of 2 A, while each common group supports a maximum of 4 A. For inductive loads such as solenoid valves and contactor coils, suitable flyback diodes or RC snubber circuits are recommended to reduce contact arcing and electrical interference.
Q7: How should I troubleshoot abnormal input or output LED indicators?
Each input and output channel has a green LED status indicator. An illuminated LED indicates that the corresponding channel is active, while an unlit LED indicates that it is inactive. If an input LED does not turn on, check the field sensor power supply, input voltage, common terminal, and wiring logic. If an output LED is on but the external device does not operate, inspect the relay contacts, load power supply, terminal connections, and external protection devices.
Q8: Can the TM3RDM32R be used with all Modicon PLC systems?
Compatibility should not be assumed based only on the Modicon TM3 product family name. Product information for this model identifies Modicon Easy M200 as its compatible controller series. Before installation, verify the PLC model, expansion bus compatibility, hardware configuration, and software version. When replacing an I/O module from another series, also check the input and output types, terminal assignments, and electrical specifications to avoid recognition or communication problems.
Schneider TM3RDM32R Discrete I/O Module is in stock. Please contact us for a quick quote and competitive pricing.
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13666084105 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Company Introduction
Xiamen Shengruite Trading Co., Ltd. is a company specializing in the supply of industrial PLC spare parts.
We provide high-quality PLC spare parts to customers in the global manufacturing, energy and power, chemical and other fields.
Since its establishment in 2011, after 13 years of rapid development, the cumulative global shipments have reached 223,650 pieces, with an annual output value of US$50 million.
Successfully served more than 500 customers in more than 100 countries and regions including Saudi Arabia, UAE, the United States, Europe, Africa, and Southeast Asia
Our Mission
Provide customers with the best quality PLC spare parts and the fastest delivery service to ensure that their industrial automation systems are always in the best operating condition.
We provide a 1-year warranty service, and we support returns and exchanges for any issues to ensure your rights and interests are fully protected.
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The minimum order quantity (MOQ) is typically one unit. However, for larger orders, please contact us for potential discounts and pricing details.
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Returns are accepted within 30 days if the product is unused, unopened, and in its original packaging. Please note that return shipping and associated costs are the buyer\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\’s responsibility.
Yes, we offer technical support for the installation and integration of our products. Our team can assist with setup, configuration, and troubleshooting to ensure a smooth installation.








