How to use a Fisher control valve in conjunction with an Emerson Coriolis flow meter
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How can the Fisher GX valve body with DVC6200 actuator be used together with an Emerson Coriolis flow meter, and how is it calibrated?
First, ensure that the DVC6200 controller for the Fisher GX control valve is compatible with the Emerson Coriolis flow meter and is connected properly. Then, you need to set the output signal of the flow meter, which is usually a 4-20mA current signal, to control the DVC6200 locator. Next, perform the necessary parameter settings on the DVC6200 locator, such as setting the response range and speed of the control valve. Finally, on-site debugging is carried out to check whether the system’s response meets expectations; if necessary, the parameters are fine-tuned to ensure the accuracy of flow control. If you’re not familiar with the operations, please refer to the product manual or contact the manufacturer’s technical support. .
A PID control loop can be implemented in a DCS or PLC; the flow signal detected by the Emerson flow meter serves as the feedback signal for this control loop. A flow setpoint is specified, and flow regulation is carried out based on the difference between the actual flow and this setpoint, thereby controlling the operation of the FISHER valve