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Specification & Description
| Specification | Description |
|---|---|
| Part Number | TM2DMM8DRT |
| Manufacturer | Schneider |
| Product Category | General Automation |
| Part Family | Advantys OTB IP20 |
| Product Type | Discrete I/O Module |
| Range of Product | Modicon M238 Series |
| Discrete Input Number | 4 |
| Discrete Input Voltage | 24 V DC |
| Discrete Input Voltage Type | DC |
| Discrete Output Number | 4 |
| Discrete Output Type | Relay |
| Input Voltage Limits | 20.4 to 28.8 V |
| Discrete Input Logic | Sink or Source |
| Discrete Input Current | 7 mA |
| Input Impedance | 3.4 kOhm |
| Discrete Output Function | 1 NO (Normally Open) |
| Current per Channel | 2 A |
| Current per Output Common | 7 A |
| Number of Common Points | 1 for input, 1 for output |
| Contact Resistance | ≤ 45 mOhm |
| Response Time | ≤ 10 ms from state 0 to state 1 output, ≤ 5 ms from state 1 to state 0 output |
| Minimum Switching Current | 0.1 mA at 0.1 V DC |
| Isolation Between Channels | None |
| Isolation Between Channels and Internal Logic | 2300 V for 1 minute (output), 500 V for 1 minute (input) |
| Isolation Between Input and Output Channels | 1500 V for 1 minute |
| Isolation Between Output Channels Group | 1500 V for 1 minute |
| Mechanical Durability | 20,000,000 cycles |
| Electrical Durability | 100,000 cycles at various conditions |
| Current Consumption | 20 mA at 24 V DC and 25 mA at 5 V DC at state 1 for all input/output |
| Local Signalling | 1 display block |
| Electrical Connection | 1 removable screw terminal block |
| Mounting Support | 35 mm symmetrical DIN rail |
| Product Dimensions | 42.9 mm (Width) x 70 mm (Depth) x 90 mm (Height) |
| Product Weight | 0.095 kg |
| Commodity Code | 853110 |
The Schneider TM2DMM8DRT is a versatile discrete I/O module designed to complement the Modicon M238 logic controller. This compact module, measuring 42.9 x 70 x 90 mm, is engineered to facilitate the expansion of output capabilities in a variety of industrial automation systems. It features four 24 V DC inputs and four relay outputs, each output capable of handling a current of up to 2 A per channel and a maximum of 7 A per common output group.
Constructed for sink or source discrete input logic, the TM2DMM8DRT ensures flexibility in integrating with different control systems. The module's inputs have an impedance of 3.4 kOhm and a modest current requirement of 7 mA, making it an energy-efficient choice for your automation needs. The relay outputs are designed with a normally open (NO) function, providing reliable switching for connected devices.
Response times are swift, with less than 10 ms from state 0 to state 1 and less than 5 ms from state 1 to state 0 for outputs, ensuring timely operations within your system. The module also boasts impressive durability, with mechanical endurance rated at 20 million cycles and electrical durability of 100,000 cycles under various load conditions.
For ease of installation, the TM2DMM8DRT can be mounted on a 35 mm symmetrical DIN rail and features a removable screw terminal block for secure and convenient wiring. The module's design also prioritises environmental responsibility, being a Green Premium product that is compliant with REACh and RoHS regulations, ensuring it does not contain substances in concentrations harmful to health or the environment.
With its robust construction, compliance with environmental standards, and efficient performance, the Schneider TM2DMM8DRT discrete I/O module is an excellent choice for expanding the functionality of your industrial automation systems.
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Frequently Asked Questions
What type of module is this?
This is a discrete I/O module designed for use with Modicon M238 logic controllers, providing a combination of digital inputs and relay outputs.
How many discrete inputs and outputs does the module have?
The module features 4 discrete inputs and 4 relay outputs.
What voltage do the discrete inputs operate at?
The discrete inputs operate at 24 V DC.
Can you specify the input and output current specifications?
Each discrete input has a current specification of 7 mA, and the relay outputs can handle 2 A per channel with a maximum of 7 A per output common.
What is the response time for the inputs and outputs?
The response time is less than or equal to 10 ms for the outputs to switch from state 0 to state 1, and less than or equal to 5 ms from state 1 to state 0. For inputs, the response time is 4 ms for both state changes.
What type of electrical connection does the module use?
The module utilises a removable screw terminal block for its electrical connections.
What are the dimensions of the module?
The module measures 42.9 mm in width, 70 mm in depth, and 90 mm in height.
Is the module compliant with environmental regulations?
Yes, the module is a Green Premium product, compliant with REACh, RoHS, and it is mercury and PVC free.
How is the module mounted?
The module can be mounted on a 35 mm symmetrical DIN rail.
What is the isolation specification between the input and output channels?
The module provides 1500 V for 1 minute isolation between input and output channels, and between output channels groups.
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