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TWDAMI4LT

Marvo Part ID: MV-2CJI

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Schneider

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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

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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.