| 摘要 |
FIELD: electricity. ^ SUBSTANCE: field device (14) to be used in control system (10) of production process or current control is connected to two-wire control circuit (16) of production process. Circuit (16) transfers data and supplies power to field device (14). High-frequency electrical diagram (22) in field device (14) provides establishment of high-frequency communication. Power supply (18) supplies power to high-frequency electrical diagram (22) by using the energy received from two-wire control circuit (16) of production process. ^ EFFECT: improving operating reliability. ^ 97 cl, 7 dwg |
