초록 ▼

The invention relates to a pressure-measuring device (M 1) with a controller (C) for controlling the functions of the measuring device (M1) and/or for processing measured data, a sensor (S1) for measuring a variable (p1) to provide first measured data (I1), and an output interface (IA1, D1) for outp

The invention relates to a pressure-measuring device (M 1) with a controller (C) for controlling the functions of the measuring device (M1) and/or for processing measured data, a sensor (S1) for measuring a variable (p1) to provide first measured data (I1), and an output interface (IA1, D1) for outputting the measured data (I1). In order that additional measured data of a second measuring device (M2) can be easily processed without using another external data processor or an arrangement with a capillary line in the case of a differential pressure-measuring device, it is proposed that the measuring device (M1) have a communications interface (I2C1, I2C) for an additional, second measuring device (M2) with another sensor (S 2) for measuring a variable (p2) to provide second measured data (I2), and, when the second measuring device (M2) is connected via the communications interface (I2C1, I2 C, I2C2) or the second measuring device (M2) is activated, the controller (C) initiates a reception of the second measured data (I2), a joint processing of the first and second measured data (I1, I2; ΔI=I1-I2) and an output of jointly processed measured data (ΔI).

대표청구항 ▼

The invention claimed is: 1. Pressure-measuring device (M1; M2) with a controller (C) for controlling the functions of the measuring device (M1; M2) and/or for processing measured data; a sensor (S1) for measuring a variable (p1) for providing first measured data (I1); an output interface (IA1, D1)

The invention claimed is: 1. Pressure-measuring device (M1; M2) with a controller (C) for controlling the functions of the measuring device (M1; M2) and/or for processing measured data; a sensor (S1) for measuring a variable (p1) for providing first measured data (I1); an output interface (IA1, D1) for outputting the measured data (I1); characterized in that the measuring device (M1) has a communications interface (I2C1, I2C) for an additional, second measuring device (M2) with another sensor (S2) for measuring a variable (p2) to provide second measured data (I 2), and is designed for receiving the second measured data (I2; i2), jointly processing the first and second measured data (I 1, I2; i2; ΔI=I1-I2), and outputting the jointly processed measured data (ΔI) when the second measuring device (M2) is connected via the communications interface (I2C1, I2C, I2C2) or the second measuring device (M2) is activated. 2. Measuring device (M1; M2) according to claim 1, in which the controller (C) is designed to initiate an output of the jointly processed measured data (ΔI) and the first measured data (I1) given an active connection of the second measuring device (M2). 3. Measuring device (M1; M2) according to claim 1, in which the controller (C) is designed to initiate an output of the first measured data (I1) given an absent or inactive connection of the second measuring device (M2). 4. Measuring device (M1; M2) according to claim 1, in which the controller (C) is designed for automatically detecting the connection or activation of the second measuring device (M2). 5. Measuring device (M1; M2) according to claim 1, in which the output interface (IA1; IA2) is designed for physically outputting the measured data (I1; I2) and/or the jointly processed measured data (ΔI). 6. Measuring device (M1; M2) according to claim 1, in which the output interface (IA1; IA2) is designed as a component of the communications interface (ICI1; ICI2). 7. Measuring device (M1; M2) according to claim 1, in which the output interface (IA1; IA2) is designed separately from the communications interface (ICI1; ICI2). 8. Measuring device (M1; M2) according to claim 1, in which the output interface (IA1, ICI1; IA2, ICI2) for the measured data (I1; I2) and the output of jointly processed data (ΔI) is designed as an analog data output. 9. Measuring device (M1; M2) according to claim 1, in which the output interface (IA1, ICI1; IA2, ICI2) for the measured data (I1; I2) and the output of jointly processed data (ΔI) is designed as a digital data output, in particular as an I2C bus. 10. Measuring device (M1; M2) according to claim 1, with a measured data processor (C), in particular a subtraction device for processing the first and second measured data (I1, I 2) and providing the jointly processed measured data (ΔI). 11. Measuring system with at least two separate pressure measuring devices (M1, M2) each for measuring a variable (p1, p2), wherein at least one of the measuring devices (M1) is designed according to claim 1, and wherein the two measuring devices (M1, M2) are interconnected via a communications interface (I2C) for transmitting at least measured data (I2; i2). 12. Measuring system according to claim 11, in which the first measuring device (M1), in particular the controller (C) of the first measuring device (M1), functions as the master for purposes of communicating via the communications interface (I2C) and allocating the joint processing of measured data (I1, I2 ), and the second measuring device (M2), in particular the controller (C) of the second measuring device (M2), functions as the slave. 13. Measuring system according to claim 11, in which each of the measuring devices (M1, M2) is assigned a display (D 1, D2) as an output interface, and, during the joint processing of measured data (I1, I2), the jointly processed measured data (ΔI) are displayed on the display (D1) of the first measuring device (M1) in the first measuring device (M 1), and the second measured data (I2) are displayed on the display (D2) of the second measuring device (M2). 14. Method for operating a measuring system according to claim 11 and/or for operating a pressure-measuring device (M1), in which measured data (I1) are acquired and provided in a first measuring device (M1), and first measured data (I1) are output from the first measuring device (M1) via an output interface (I1, ICI 1, D1), characterized in that second measured data (I2, i2) of a second measuring device (M2) are received by the first measuring device (M1), the acquired first measured data (I1) and received second measured data (I2, i2) are jointly processed in the first measuring device (M1), and measured data (ΔI) processed by the first measuring device via the output interface (I1, D1) when receiving second measured data (I2, i2) and jointly processing the first and second measured data are output.