"The advantage of these power supplies is that only a single transmitter is required to construct an intrinsically safe signal circuit for SIL3. Historically, for SIL3 this was only possible using two separate inputs, both of which had to be monitored for redundancy. Internal diagnostic functions are also signaled via a single output and red LED. An additional advantage of the new power supply modules is that prescribed test intervals can be extended for SIL2 applications," says Robert Schosker, Product Manager.
KCD2-STC-Ex.1ES and KFD2-STC4-Ex1.ES modules supplement the company's K-System, a comprehensive family of approximately 150 intrinsically safe isolator modules and signal conditioners that solve a wide array of intrinsic safety application needs. They are just 12.5 and 20 mm wide, respectively, and offer active and passive 4...20 mA output signals as well as 1...5 V for the control level.
The HiC2025ES and HiD2025ES transmitter power supplies are part of the company's H- System intrinsic safety solutions. These two space-saving modules are 12.5 and 18 mm wide respectively and are both compatible with existing termination boards in the system.
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