Excellent PLC
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Introduction
The Schneider TM2AMI8HT is an advanced analog input expansion module designed for integration into Modicon M221, M241, and M251 logic controllers. Part of the Modicon TM2 range of expansion I/O modules, this unit provides eight high-speed analog input channels, suitable for both voltage and current signals.
Developed to meet the rigorous demands of modern automation environments, the TM2AMI8HT enables precise analog signal acquisition from a variety of industrial sensors and transmitters. It is engineered for high-resolution data capture, ensuring accurate input readings necessary for real-time control and monitoring.
The module offers easy installation via DIN rail mounting, and its plug-and-play configuration minimizes commissioning time. With robust electrical specifications, support for multiple analog signal types, and compliance with industrial EMC standards, the TM2AMI8HT is an ideal solution for expanding the I/O capacity of Modicon programmable logic controllers.
Technical Specifications
| Parameter | Description |
|---|---|
| Product Name | TM2AMI8HT |
| Manufacturer | Schneider Electric |
| Product Type | Analog Input Module (High-Speed) |
| Module Series | Modicon TM2 |
| Number of Channels | 8 Analog Inputs |
| Input Type | Voltage (0–10V) / Current (0–20 mA, 4–20 mA) |
| Input Resolution | 12-bit |
| Input Impedance | >1 MΩ for voltage / 250 Ω for current |
| Input Accuracy | ±0.5% of full scale |
| Isolation | Channel-to-bus isolation, 500 V |
| Sampling Rate | 5 ms per channel |
| Conversion Type | Successive Approximation ADC |
| Diagnostic Features | Broken wire detection (for 4–20 mA) |
| Connection Type | Removable screw terminal block |
| Mounting | DIN rail (35 mm) |
| Power Supply Voltage | Supplied by base controller (no external supply required) |
| Power Consumption | 1.5 W |
| Operating Temperature | 0°C to +55°C |
| Storage Temperature | -40°C to +70°C |
| Humidity Range | 5% to 95% RH (non-condensing) |
| Certifications | CE, UL, RoHS, IEC 61131-2 |
| Dimensions (W × H × D) | 23.5 x 70 x 90 mm |
| Weight | 0.085 kg |
Product Applications
The TM2AMI8HT is widely used across multiple sectors of automation and industrial control due to its flexibility and reliable analog input processing. Typical application areas include:
-
Industrial Process Control
Captures precise temperature, pressure, level, and flow signals for PID regulation and closed-loop control. -
Energy Management Systems
Interfaces with current/voltage transducers to measure load characteristics in smart buildings or industrial plants. -
Packaging and Assembly Lines
Reads analog feedback from displacement sensors, position encoders, and linear transducers. -
HVAC and Climate Systems
Monitors sensor data for optimized heating, cooling, and air quality control. -
Water Treatment Facilities
Integrates with pH, turbidity, and conductivity probes for continuous environmental monitoring. -
OEM Machinery Integration
Used by machine builders for embedding analog functionality into custom automation systems.
Product Advantages
-
High-Speed, High-Accuracy Data Acquisition
12-bit resolution and fast 5 ms/channel sampling rate ensure real-time and accurate monitoring. -
Flexible Signal Compatibility
Accepts both voltage and current analog inputs across industry-standard ranges. -
Seamless Controller Expansion
Natively integrates with Modicon M221/M241/M251 logic controllers without extra configuration steps. -
Compact and Lightweight Design
Saves cabinet space and is easy to install even in dense control panel layouts. -
Advanced Diagnostics
Built-in wire break detection helps prevent system errors and ensures measurement reliability. -
Industry-Certified Durability
Built to meet IEC and UL industrial standards, ensuring long-term reliability in harsh environments. -
No External Power Supply Required
Powered directly through the controller’s backplane bus, reducing wiring complexity.
Frequently Asked Questions (FAQ)
1. What types of analog signals does the TM2AMI8HT support?
It supports 0–10 V voltage inputs and both 0–20 mA and 4–20 mA current inputs.
2. Can I use this module with M221 controllers?
Yes, the TM2AMI8HT is fully compatible with Modicon M221, M241, and M251 controllers.
3. Does the module require an external power source?
No. It draws power directly from the base controller via the expansion bus.
4. Is the input channel configuration software-based?
Yes. Input type and scaling are configured through Schneider’s SoMachine or EcoStruxure Machine Expert software.
5. Can it detect sensor failures?
Yes. The module has broken wire detection for 4–20 mA input channels.
6. Are the inputs electrically isolated?
There is isolation between the input channels and the bus interface, enhancing signal integrity.
7. What is the resolution of the analog input signals?
It offers 12-bit resolution per channel, sufficient for most industrial control tasks.
8. What is the typical response time?
Each channel has a sampling time of approximately 5 milliseconds.
9. Can I mix current and voltage inputs on the same module?
Yes, each channel can be independently configured for either current or voltage input.
10. Is the module hot-swappable?
No. Power should be removed before adding or removing the module to prevent damage.
Related or Same Series Models
| Model Number | Description | Function | Compatibility |
|---|---|---|---|
| TM2AMI4LT | Analog Input Module, 4 Channels | Standard-speed analog input | M221, M241, M251 Controllers |
| TM2AQI4HT | Analog Output Module, 4 Channels | High-speed analog output | Modicon TM2 Series |
| TM2DQ16T | Digital Output Module, 16 Transistor | Digital switching outputs | TM2 System Controllers |
| TM2DDO8TT | Digital Output Module, 8 Transistor | Fast switching outputs | M221, M241, M251 |
| TM2DRA16RT | Relay Output Module, 16 Channels | Relay output control | Modicon PLCs |
| TM2DI16T | Digital Input Module, 16 Channels | Input acquisition | Compatible with TM2 Series |
Popular Schneider Electric Models (Same Brand)
| Model Number | Part Number | Description | Primary Function |
|---|---|---|---|
| BMXP342020 | BMXP342020 | CPU Module for Modicon M340 | Logic processing and control |
| TM241CE40T | TM241CE40T | Modicon M241 Logic Controller | Mid-range automation tasks |
| TM221C16R | TM221C16R | Modicon M221 Compact PLC | Basic PLC control |
| ATV630U22N4 | ATV630U22N4 | Altivar Process Drive 2.2kW | Motor control and drive |
| BMEP583040 | BMEP583040 | Modicon M580 Processor | High-performance PLC control |
| HMISTU855 | HMISTU855 | HMI Touch Panel | User interface for automation |
