製品紹介
The Schneider Electric TM3AI4 is a high-precision analog input expansion module, part / the Modicon TM3 I/O system. Designed specifically for Modicon M221, M241, and M251 controllers, the TM3AI4 allows seamless expansion / analog input capacity, providing 4 channels for processing voltage or current signals from various analog sensors.
This module plays a crucial role in automation applications requiring accurate analog signal acquisition, such as monitoring temperatures, pressures, fluid levels, or other continuously variable process parameters. Its compact size, rugged design, and plug-and-play configuration make it an ideal choice for both OEMs and end-users across industrial sectors.
Whether used in standalone machine applications or complex multi-device systems, the TM3AI4 delivers consistency, accuracy, and flexibility — ensuring that your control system stays responsive and scalable.
製品仕様
| Parameter | Details |
|---|---|
| Product Name | TM3AI4 |
| ブランド | Schneider Electric |
| Series | Modicon TM3 |
| Module Type | Analog Input Module |
| Number / Analog Inputs | 4 |
| Input Type | Voltage or Current |
| Voltage Input Range | 0–10 V |
| Current Input Range | 0–20 mA or 4–20 mA |
| Input Impedance (Voltage) | 100 kΩ |
| Input Impedance (Current) | 250 Ω |
| Resolution | 12 bits |
| Conversion Time | 3 ms (per channel) |
| Common Mode Isolation | 500 V AC |
| Accuracy | ±0.5% full scale |
| Status Indicators | 4 LEDs for input channel status |
| Mounting Type | DIN Rail |
| Communication Interface | Via TM3 bus with host PLC |
| Power Consumption | 55 mA (5V supplied by base controller) |
| Power Supply Voltage | Supplied from host controller |
| Operating Temperature | 0°C to +55°C |
| Storage Temperature | -40°C to +70°C |
| Protection Rating | IP20 (EN 61131-2 standard) |
| Module Dimensions (W x H x D) | 90 x 70 x 23.6 mm |
| 重量 | 0.11 kg |
| Certifications | CE, CSA, UL, RoHS |
Applications
The TM3AI4 is suitable for a wide variety / industrial and commercial automation applications, especially where analog signal acquisition is crucial:
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Temperature Monitoring: Integrates with RTDs or analog temperature transmitters in HVAC or processing plants.
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Pressure and Flow Control: Interfaces with 4–20 mA pressure or flow transmitters in water treatment or oil & gas facilities.
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Machine 状態 Monitoring: Captures real-time analog values for vibration, load, or speed feedback.
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Level Measurement: Used in chemical or beverage industries for tank level monitoring.
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Building Automation: Reads analog signals from environmental sensors in smart building systems.
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Process Control Systems: Gathers continuous input from instrumentation devices for accurate process regulation.
Advantages
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Compact Design: Its small footprint allows easy integration into limited-space control panels.
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Flexible Signal サポート: Accepts both current (0–20 mA / 4–20 mA) and voltage (0–10 V) inputs.
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High Accuracy: With 12-bit resolution and ±0.5% full-scale accuracy, it delivers reliable data.
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Rapid Conversion: Fast conversion time / 3 ms per channel ensures real-time performance.
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Simple Integration: Connects directly to M221, M241, and M251 controllers via TM3 expansion port.
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Built-In Diagnostics: Channel-specific LEDs for fast troubleshooting and commissioning.
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Low Power Consumption: Efficient design with minimal impact on base controller power draw.
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Field-Proven Durability: Designed to perform under industrial temperatures and electrical noise.
よくある質問 (FAQ)
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Q: What controllers are compatible with TM3AI4?
A: It is compatible with Modicon M221, M241, and M251 programmable controllers. -
Q: Can TM3AI4 accept both voltage and current input signals?
A: Yes, each input channel can be configured individually for 0–10V, 0–20mA, or 4–20mA signals. -
Q: Does this module require a separate power supply?
A: No, it is powered through the TM3 bus from the base controller. -
Q: Is it hot-swappable?
A: No, it must be powered down before installing or removing the module. -
Q: Are the inputs isolated from each other?
A: The inputs share common isolation from the control system, not individually isolated. -
Q: What s/tware is used to configure the TM3AI4?
A: Use EcoStruxure Machine Expert (formerly SoMachine) for setup and programming. -
Q: How do I know if an input is active or faulted?
A: Each channel has a dedicated LED indicator for quick visual feedback. -
Q: Can the module handle thermocouples directly?
A: No, TM3AI4 is designed for analog voltage or current transmitters, not direct thermocouple input. -
Q: What is the recommended cable length for analog signals?
A: Up to 30 meters using shielded twisted-pair cable to minimize signal degradation. -
Q: Is there any calibration required for the module?
A: No field calibration is needed. The module comes factory-calibrated for industrial accuracy.
Related or Compatible モデルs (Same Series)
| モデル | 説明 | Type | Channels | Signal Type |
|---|---|---|---|---|
| TM3AI8 | 8-Channel Analog Input Module | Analog Input Module | 8 Inputs | 0–10V / 4–20mA |
| TM3AM6G | 6-Channel Analog Mixed Module | Analog I/O Module | 4 AI / 2 AO | 0–10V / 4–20mA |
| TM3AQ4 | 4-Channel Analog Output Module | Analog Output Module | 4 Outputs | 0–10V / 4–20mA |
| TM3DI8 | 8-Channel Digital Input Module | Digital Input Module | 8 Inputs | 24V DC |
| TM3DQ16T | 16-Channel Digital Output Module | Digital Output Module | 16 Outputs | 24V DC |
| TM3TI4 | 4-Channel Temperature Input Module | Thermocouple Input Module | 4 Inputs | Thermocouple |
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