STEVAL-IFP008V1 STMicroelectronics, STEVAL-IFP008V1 Datasheet

BOARD EVAL FOR CLT3-4

STEVAL-IFP008V1

Manufacturer Part Number
STEVAL-IFP008V1
Description
BOARD EVAL FOR CLT3-4
Manufacturer
STMicroelectronics
Datasheet

Specifications of STEVAL-IFP008V1

Mfg Application Notes
STEVAL-IFP008V1 AppNote
Main Purpose
Interface, Digital Signal Termination
Embedded
No
Utilized Ic / Part
CLT3-4
Primary Attributes
Quad Input, Over Voltage, Over Current Protection
Secondary Attributes
Optical Isolation, 4 LEDs
Processor To Be Evaluated
CLT3-4B
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-6401
STEVAL-IFP008V1
Features
Description
The CLT3-4B is a quadruple logic input
termination for sensor or mechanical switch
interfaces. It is designed to work in 24 VDC
applications such as PLCs (programmable logic
controllers), PACs (programmable automation
controllers) and distributed I/O systems used in
factory automation.
The device optimizes the input VI characteristic to
reduce its power dissipation. This becomes
critical when the application cabinet or housing
requires higher protection levels such as IP65 and
IP67. These closed cabinets are used in various
automated lines including the food and chemical
industry.
The power dissipated inside the module is very
limited as there is usually no air circulation inside
the box. The current limitation also reduces the
power losses in the sensor.
May 2008
For further information contact your local STMicroelectronics sales office.
For IEC61131-2 type 1 and 3 inputs
4 input channel topology
Fully integrated internally fixed current limiter
Optocoupler output drive
Wide range supply voltage and temperature
operation
CLT3-4B current limited termination
Rev 1
The most important aspect of the CLT3-4B is the
electrical protection and susceptibility its brings to
the application. The CLT3-4B implements efficient
protection diodes on each input and supply volt-
age line. Serial resistors ensure a higher level of
susceptibility of the entire input module.
Thanks to its compact TSSOP20 package CLT3-
4B device occupies very little space on the PCB
compared to an equivalent discrete solution.
Demonstration board for the
STEVAL-IFP008V1
STEVAL-IFP008V1
Data Brief
www.st.com
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STEVAL-IFP008V1 Summary of contents

Page 1

... For further information contact your local STMicroelectronics sales office. STEVAL-IFP008V1 Demonstration board for the CLT3-4B current limited termination STEVAL-IFP008V1 The most important aspect of the CLT3-4B is the electrical protection and susceptibility its brings to the application. The CLT3-4B implements efficient protection diodes on each input and supply volt- age line ...

Page 2

... Block diagram 1 Block diagram Figure 1. Schematic 2/4 STEVAL-IFP008V1 ...

Page 3

... STEVAL-IFP008V1 2 Revision history Table 1. Document revision history Date 27-May-2008 Revision 1 Initial release. Revision history Changes 3/4 ...

Page 4

... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 4/4 Please Read Carefully: © 2008 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com STEVAL-IFP008V1 ...

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