CONTROL DEVICE PRODUCTION PROCESS CONTROL CIRCUIT

摘要

1. The control device of the process control loop, containing! a housing made with the possibility of fastening in a production environment a process control system or its control; ! a process control loop interface circuit configured to connect to the process control loop and receive data from the process control loop, and! a memory configured to record data received by the interface circuit from the process control loop for subsequent retrieval by maintenance personnel. ! 2. The device according to claim 1, in which the interface circuit of the process control loop is configured to connect to a two-wire process control loop. ! 3. The device according to claim 1, in which the control device of the process control loop is supplied with energy received from the process control loop. ! 4. The device according to claim 1, in which the process control loop transfers data in accordance with the Fieldbus communication standard. ! 5. The device according to claim 1, in which the memory is removable. ! 6. The device according to claim 1, including a clock. ! 7. The device according to claim 6, in which the data stored in the memory is marked with time information from the clock. ! 8. The device according to claim 6, in which the clock contains a real time clock. ! 9. The device according to claim 1, in which the housing is configured to be attached to standardized connections in process control systems or its control. ! 10. The device according to claim 1, including a microcontroller, configured to write data to memory. ! 11. The device according to claim 10, in which the microcontroller includes a trigger configured to start recording data.