| 摘要 |
<p>Control electronics (E) for a two-wire process device, which two-wire process device can be connected to a two-wire loop (2L), wherein the control electronics (E) comprises an input circuit (ES) and a control unit connected to the input circuit (ES), wherein the input circuit (ES) is used in a first operating mode to set a current and/or voltage in the two-wire loop (2L) by means of a control signal (CS) transmitted by the control unit (SE), wherein the input circuit (ES) is used in a second operating mode to automatically, in particular independently of the control unit (SE) or independently of the control signal (CS) transmitted by the control unit (SE), to set the current and/or the electric voltage in the two-wire loop (2L).</p> |
