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Specification & Description
| Specification | Description |
|---|---|
| Part Number | TM3AI8G |
| Manufacturer | Schneider |
| Product Type | Analogue Input Module |
| Analogue Input Number | 8 |
| Analogue Input Type | Current: 4...20 mA, 0...20 mA; Voltage: 0...10 V, -10...10 V |
| Analogue Input Resolution | 12 bits, 11 bits + sign |
| Permissible Continuous Overload | 13 V voltage, 40 mA current |
| Input Impedance | >= 1 MOhm voltage, <= 50 Ohm current |
| LSB Value | 2.44 mV at 0...10 V, 4.88 mV at -10...10 V, 4.88 µA at 0...20 mA, 3.91 µA at 4...20 mA |
| Conversion Time | 1 ms + 1 ms per channel + 1 controller cycle time |
| Sampling Duration | <= 1 ms |
| Absolute Accuracy Error | +/- 0.2 % of full scale at 25 °C, +/- 1 % of full scale |
| Temperature Drift | +/- 0.01 %FS/°C |
| Repeat Accuracy | +/-0.5 %FS |
| Non-Linearity | +/- 0.2 %FS |
| Cross Talk | <= 1 LSB |
| Rated Supply Voltage | 24 V DC |
| Supply Voltage Limits | 20.4...28.8 V |
| Type of Cable | <= 30 m twisted shielded pairs cable for input circuit |
| Current Consumption | 40 mA at 5 V DC (full load) via bus connector, 30 mA at 24 V DC (no load) via external supply |
| Local Signalling | 1 LED green for PWR |
| Electrical Connection | 10 x 1.5 mm² removable spring terminal block with pitch 3.81 mm adjustment for inputs and supply |
| Insulation | 500 V AC between input and internal logic, 1500 V AC between input and supply |
| Mounting Support | Top hat type TH35-15 rail conforming to IEC 60715, Plate or panel with fixing kit |
| Dimensions (H x W x D) | 90 mm x 23.6 mm x 70 mm |
| Net Weight | 0.1 kg |
| Standards | EN/IEC 61131-2, EN/IEC 61010-2-201 |
| Resistance to Electrostatic Discharge | 8 KV in air, 4 KV on contact conforming to EN/IEC 61000-4-2 |
| Resistance to Electromagnetic Fields | 10 V/m at 80 MHz...1 GHz, 3 V/m at 1.4 GHz...2 GHz, 1 V/m at 2 GHz...3 GHz conforming to EN/IEC 61000-4-3 |
| Resistance to Magnetic Fields | 30 A/m conforming to EN/IEC 61000-4-8 |
| Resistance to Fast Transients | 1 kV I/O conforming to EN/IEC 61000-4-4 |
| Resistance to Conducted Disturbances | 10 V at 0.15...80 MHz, 3 V at spot frequency conforming to Marine specification (LR, ABS, DNV, GL) |
| Electromagnetic Emission | Radiated emissions conforming to EN/IEC 55011 |
| Immunity to Microbreaks | 10 ms |
| Ambient Air Temperature for Operation | -10...55 °C (horizontal installation), -10...35 °C (vertical installation) |
| Ambient Air Temperature for Storage | -25...70 °C |
| Relative Humidity | 10...95 % without condensation in operation and storage |
| IP Degree of Protection | IP20 |
| Pollution Degree | 2 |
| Operating Altitude | 0...2000 m |
| Storage Altitude | 0...3000 m |
| Vibration Resistance | 3.5 mm at 5…8.4 Hz, 3 gn at 8.4…150 Hz on DIN rail |
| Shock Resistance | 15 gn for 11 ms |
| Sustainable Offer Status | Green Premium product |
The Schneider TM3AI8G is a versatile analogue input module designed to cater to a broad range of industrial automation needs. This compact module, measuring 27.4 x 84.6 x 90.5 mm, is engineered to seamlessly integrate with Modicon M221, M241, M251, and M262 controllers, enhancing the flexibility and performance of your control systems.
Equipped with 8 analogue input channels, the TM3AI8G can process both current and voltage signals, supporting ranges from 4 to 20 mA and 0 to 10 V, including a bipolar range of -10 to 10 V. This makes it an ideal choice for monitoring and data acquisition tasks in various sectors, including manufacturing, processing, and energy management.
The module boasts a high-resolution 12-bit analogue to digital conversion, ensuring precise and accurate signal representation for critical measurements. The input resolution is further complemented by an impressive conversion time of 1 ms per channel, plus the controller cycle time, allowing for real-time data processing and control.
Designed for durability and reliability, the TM3AI8G can withstand continuous overloads up to 13 V for voltage inputs and 40 mA for current inputs. It also features an input impedance of >= 1 MOhm for voltage and <= 50 Ohm for current, ensuring stable and consistent performance across various load conditions.
The module's local signalling is facilitated by a green LED for power status, and it offers a straightforward electrical connection through a 10 x 1.5 mm² removable spring terminal block with a pitch of 3.81 mm, simplifying installation and maintenance.
Adhering to stringent environmental standards, the TM3AI8G is a Green Premium product, indicating proactive compliance with environmental regulations. It is free from toxic heavy metals and mercury, ensuring not only the safety of your operations but also contributing to a more sustainable environment.
In summary, the Schneider TM3AI8G analogue input module is a high-quality, efficient solution for a wide array of industrial applications, offering precision, durability, and environmental responsibility in a compact form factor.
Commonly Asked Questions
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Frequently Asked Questions
What types of signals can the Analogue Input Module process?
The module is designed to process a variety of analogue signals, including current signals in the range of 4 to 20 mA and 0 to 20 mA, as well as voltage signals in the range of 0 to 10 V and -10 to 10 V.
Can this module be used with different Modicon controllers?
Yes, the module is compatible with several Modicon controllers, including the Modicon M221, M241, M251, and M262 series.
What is the resolution of the analogue inputs?
The analogue inputs have a resolution of 12 bits, or 11 bits plus sign for bipolar signals, providing precise data for your applications.
How does temperature affect the accuracy of the module?
The module has a temperature drift of +/- 0.01 %FS/°C, which means the accuracy can vary with changes in temperature. However, it maintains an absolute accuracy error within +/- 0.2 % of full scale at 25 °C.
What is the conversion time for the analogue signals?
The conversion time for the analogue signals is 1 ms plus 1 ms per channel, in addition to 1 controller cycle time, ensuring timely updates of input data.
What type of electrical connection does the module use?
The module utilises a 10 x 1.5 mm² removable spring terminal block with a pitch of 3.81 mm for both inputs and supply connections, facilitating easy and secure wiring.
What are the mounting options for the module?
The module can be mounted on a top hat type TH35-15 rail or TH35-7.5 rail conforming to IEC 60715 standards, as well as on a plate or panel with a fixing kit.
How is the module protected against electrical interference?
The module is designed with insulation of 500 V AC between input and internal logic, and 1500 V AC between input and supply. It also has surge withstand protection conforming to EN/IEC 61000-4-5 standards.
What are the environmental operating conditions for the module?
The module operates within an ambient temperature range of -10 to 55 °C for horizontal installation and -10 to 35 °C for vertical installation. It can also withstand relative humidity from 10 to 95%, without condensation.
How does the module contribute to sustainability?
The module is a Green Premium product, indicating that it meets high environmental standards and is free from toxic heavy metals and PVC, ensuring it is a more sustainable choice for users.
Part conditions explained
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