| http://www.w3.org/ns/prov#value | - In this case, the digital signal is a pulse code, the current of which changes in the range of I1 to I2, e.g., 4-20 mA. A measured process value word WPV determined by the measured value from the TX 3 comprises 4-byte data consisting of bytes BY0 to BY3 (each byte consists of eight bits).
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