What are the types of output signals for Yokogawa EJA differential pressure transmitters?


What are the output signal types of the Yokogawa EJA differential pressure transmitter?To understand this question, let's first get a general understanding of the Yokogawa EJA differential pressure transmitter from Japan. The Yokogawa EJA differential pressure transmitter is the most important EJA product series among Yokogawa transmitters. It is mainly divided into the A series and the E series, with the more advanced E series products being widely used today. It uses single crystal silicon resonant sensor technology, suitable for measuring the flow, liquid level, density, and pressure of liquids, gases, or steam. The Yokogawa EJA differential pressure transmitter converts pressure into a 4~20mADC current signal output, featuring fast response, remote setting, self-diagnosis, and other functions.
The Yokogawa EJA differential pressure transmitter has a total of 5 output protocols:
1. 4~20mA DC, BRAIN protocol
2. 4~20mA DC, HART 5/HART 7 protocol
3. FF fieldbus protocol, refer to GS 01C3 1T02-01CN
4. PROFIBUS PA bus protocol, refer to GS 01C31T04-01CN
5. 1~5V DC low power, HART7 protocol
Two-wire system with digital communication, 4~20mA DC output, can be set to linear or square root. BRAIN or HART FSK protocol is loaded on the 4~20mA signal, output range: 3.6mA~21.6mA. To comply with NAMUR NE43, output limits can be preset through option codes C2 or C3. The three-wire or four-wire 1~5V low power type can be set to linear or square root. HART protocol is loaded on the 1~5V signal, output range 0.9~5.4VDC.
These are the 5 output protocols of the Yokogawa EJA differential pressure transmitter. Understanding the Yokogawa pressure transmitter gives us another option. If you have any questions, feel free to consult us.


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