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Infineon Launches New ISOFACE™ Digital Input Family for Industrial Control and Automation Systems

Google 우선 소스Published2011.03.09 19:31

Infineon Launches New ISOFACE™ Digital Input Family for Industrial Control and Automation Systems

March 7, 2011, Seoul — Infineon Technologies (Korea CEO Seung-soo Lee) has expanded its innovative family of galvanic isolation interfaces for industrial control and automation applications with the launch of new ISOFACE™ digital input products.


The new ISOFACE™ digital input products provide integrated galvanic isolation of 500VAC (EN60664-1, UL508) and are based on technology already proven in Infineon's ISOFACE™ digital output products. This technology provides robust galvanic isolation between the inputs of control systems, such as sensors and switches, and the inputs of microcontrollers or bus ASICs. Offering energy efficiency and a high level of integration, ISOFACE™ digital input products enable the implementation of highly compact and cost-effective industrial control applications, such as input cards and sensor modules. Compared to other solutions currently on the market, ISOFACE™ digital input products support up to four times the number of channels within the same Printed Circuit Board (PCB) space.

ISOFACE™ digital input products sample information from multiple digital sources (e.g., sensors) provided by automation systems and transmit it to the CPU. The new Infineon solution provides a communication frequency of up to 500 kHz, surpassing the speeds of other solutions using optocouplers. Therefore, it is suitable for high-precision and high-speed applications such as bottling machines, paper and printing equipment, etc.

To enhance the EMI robustness of the control system, each of the eight inputs of the ISO1I813T (compliant with IEC61131-2 / Type 1/2/3) is provided with an individually programmable glitch-prevention filter. Furthermore, the product's per-channel diagnostic capabilities support the detection of faults, such as input open circuits between sensors and IC inputs. It also monitors the input-side supply voltage of the device and transmits a two-stage warning signal to the CPU in the event of a fault. These functions are factory-level

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