aerobotics

Isolated and non-isolated digital inputs on evaluation board based on CLT03-2Q3 self-powered current-limited terminal device

STEVAL-IFP035V1

Overview

The STEVAL-IFP035V1 evaluation board can be used to evaluate circuit protection strategies for factory automation using digital input current limiters located between industrial sensor devices and processing units such as programmable logic controllers (PLCs).

The board embeds two independent CLT03-2Q3 self-powered digital input current limiters, each with two isolated channels capable of driving isolated optocouplers or non-isolated LVTTL digital input terminals. These devices also reduce power loss and improve EMI stability, resulting in safer and more reliable operation, allowing designers to build solutions with greater I/O module density.
The board also adheres to other industry standard requirements (such as reverse polarity operation and one-minute overvoltage tolerance) and includes jumpers to generate test pulses along either line

Main features

2 isolated high-side/low-side digital inputs
2 non-isolated high-side digital inputs
Supports 60 V and reverse input plug-ins
No power required
Safety test pulse
Integrated digital filter ensures high EMI stability
Complies with IEC61131-2 type 1 and type 3 standards
Passed RoHS certification

Design Files

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Update:2025-05-12 12:20:19

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