burkert 过程调节器8793型_Burkert 控制器_上海微通流体控制技术有限公司

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burkert 过程调节器8793型

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坚固的紧凑型过程调节器，适合安装在标准化的推动和摆动驱动装置（参照 IEC 534-6 或 VDI/VDE 3845）上。带有分段式位移传感器的类型，也可用于调节 Bürkert 过程调节阀。数字式电气过程调节器 SideControl 能够处理所有流行的电流和电压标准信号，可选择装配一个现场总线接口 PROFIBUS DPV1。除了数字指示器之外，还可通过一个机械式指示元件定性表示阀门开口情况。将过程参数的实际值直接作为 4 - 20 mA 信号传输到 Pt 100 上，或者作为频率信号进行传输。过程调节器会根据额定值与实际值的比较结果，计算安装在下级位置调节器的内部额定值。过程和位置调节器的参数化可自动进行。在此，会自动识别调节段的类型，并确定合适的、包含相关最佳参数组的调节器结构。通过外置的操作和指示模块进行操作，该模块由一个带有背景照明装置的图像显示器和一个带有四个按键以及软件功能名称的耐用薄膜键盘构成。通过所述设计，用户可以非常简单、直观地进行操作，操作方式与 Bürkert 位置或过程调节器 TopControl 8692/8693 相同。气动调节系统可同样地应用于单作用和双作用的驱动装置。其特征在于，在电气或气动辅助能量失效时，仍能保持一个定义的安全特性，在供应压力最高为 7 bar 时，可用的空气功率范围非常大。

1）紧凑型金属外壳
2）带有背景照明装置的图形显示器
3）利用过程和位置调节器实现极简便的调试
4）大量的软件附加功能
5）Profibus DPV1（可选）

Type Description

The robust and compact process controller is designed to standardisation acc. to IEC 534-6 or VDI/VDE 3845 for assembly with linear and rotary actuators. In addition, the remote version can be combined with Bürkert process control valves. The digital electropneumatic SideControl process controller can be operated by the usual current and voltage standard signals and can also be equipped with the fieldbus interface PROFIBUS DPV1 or DeviceNet. The actual process value is directly supplied to the device as 4-20 mA, PT100 or as frequency signal. The process controller calculates the position setpoint for the subordinated positioner through the variance comparison. Due to the analogue feedback all analogue values on the controlling level can be transferred. The parameterization of process controller and positioner can be carried out automatically. The process controller is equipped with additional diagnostic functions to monitor the state of the valve. Through status signals, valve diagnostic messages are transmitted according to NAMUR NE 107 recommendations and recorded as history. With the diagnosis, the operating conditions of the control valve can be monitored. This allows planned maintenance and optimises plant availability. The easy handling and the selection of additional software functions are done either on a graphic display with backlight and keypad or via PC interface. Operation occurs via external operation and display module consisting of a backlit graphical display and a robust transparency keyboard with for keys with software driven function indication. For the user operation is very simple and clear, identical to the Bürkert positioner or process controller TopControl, Type 8692/8693. The pilot valve system can be used equally for single and double acting actuators. It is characterised by a defined safety feature in case of failure of the electrical or power supply and possesses an enormous air capacity range with pressure supply up to 7 bar.

1）Compact and robust design
2）Easy Start-up using Tune function of the Positioner and Process controller
3）Integrated diagnostic functions for valve monitoring (optional)
4）Dynamic positioning system with no air consumption in controlled state
5）Profibus DPV1 or DeviceNet (optional)

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