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Schneider
TWDAMI4LT
Marvo Part ID: MV-2CJISold out
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Specifications
| Specification | Description |
|---|---|
| Part Number | TWDAMI4LT |
| Manufacturer | Schneider |
| Product Type | Analogue Input Module |
| Series | Twido |
| Number of Analogue Inputs | 4 |
| Input Type | Voltage 0...10 V non differential, Current 0...20 mA, Temperature probe |
| Input Resolution | 12 bits |
| Connection Type | Removable screw terminal block |
| Cross Talk | <= 1 LSB |
| LSB Value | 0.15 °K for temperature probe input |
| Overload Capability | 13 V for voltage input, 40 mA for current input |
| Input Impedance | >= 10000 Ohm for temperature probe, 1000000 Ohm for voltage source, 470 Ohm for current source |
| Sampling Duration | 160 ms |
| Sampling Repetition Time | 4 ms |
| Acquisition Period | 160 ms per channel + 1 controller cycle time |
| Measurement Error | +/- 0.5 % of full scale at 25 °C for voltage input |
| Temperature Coefficient | +/-0.005 %FS/°C for current input |
| Repeat Accuracy | 2 LSB %FS |
| Non-linearity | +/- 0.02 %FS for current input |
| Total Error | +/-0.5 %FS for current input |
| Common Mode Rejection | - 90 dB |
| Cable Type | Shielded twisted pair |
| Insulation | Between channel and internal logic via photocoupler |
| Supply Voltage | 24 V DC |
| Voltage Limits | 20.4...28.8 V |
| Current Consumption | 50 mA at 5 V DC, 60 mA at 24 V DC |
| Marking | CE |
| IP Degree of Protection | IP20 |
| Ambient Operating Temperature | 0...55 °C |
| Ambient Storage Temperature | -25...70 °C |
| Dielectric Strength | 2500 V between the inputs and the supply circuit |
| Product Certifications | CSA, UL |
Commonly Asked Questions
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Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
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TWDAMI4LT Product Description
The Schneider TWDAMI4LT is a high-performance analogue input module designed for seamless integration with the Twido series. This module is equipped to handle four analogue inputs, supporting a range of 0-10V and 0-20 mA, making it versatile for various industrial applications. With a 12-bit resolution, it ensures precise data acquisition, critical for monitoring and control processes in manufacturing and automation environments.
The TWDAMI4LT operates efficiently with a 24 V DC supply and features a removable screw terminal block for easy installation and maintenance. Its robust design includes a dielectric strength of 2500 V between the inputs and the supply circuit, enhancing system reliability. The module's compact form factor and IP20 rating ensure it is suitable for operation in controlled environments, with an operating temperature range of 0 to 55°C.
Ideal for engineers looking to upgrade their control systems, the TWDAMI4LT offers excellent repeatability and low non-linearity errors, ensuring consistent performance and high reliability in demanding industrial settings.
Frequently Asked Questions
What are the input specifications for this analogue input module?
The module supports 4 analogue inputs with a voltage range of 0-10 V non-differential and a current range of 0-20 mA. It features a 12-bit resolution for precise data acquisition.
Can this module be used for temperature measurements?
Yes, the TWDAMI4LT is configured to handle temperature measurements using temperature probes. It supports various types of probes including Pt 100 and Ni 1000, making it versatile for different industrial applications.
What is the power supply requirement for this module?
The module requires an external supply voltage of 24 V DC, with acceptable voltage limits ranging from 20.4 to 28.8 V.
What type of connection does this module use?
It utilises a removable screw terminal block for its I/O connections, which facilitates easy installation and maintenance.
What are the environmental operating conditions for this module?
The module operates effectively within an ambient air temperature range of 0 to 55 °C for operation and can be stored in temperatures ranging from -25 to 70 °C.
How does this module handle electrical isolation?
Electrical isolation is achieved through photocouplers, which help to protect the internal logic from high voltages and currents from the input channels.
What is the typical error margin for input measurements with this module?
The module maintains a measurement error of +/- 0.5% of full scale at 25 °C for voltage and current inputs, ensuring reliable and accurate performance.
What are the dielectric strength specifications for this module?
The module has a dielectric strength of 2500 V between the inputs and the supply circuit, providing robust protection against voltage surges.
