Intelligent regulator is the regulator contains microprocessor, can realize the intellectualized control function. The regulator intelligence usually adopts the following several forms:
a． with intelligent valve locator pneumatic regulator
b． intelligent electric control valve, with smart fieldbus valves locator pneumatic regulator. Intelligent control functions mainly include the following contents:
a． easy modify regulator flow characteristic.
b． realize PID control operations
c． achieve other operating function, for example, taking sectional control range setting, nonlinear compensation operation, etc.
d， change regulator positive, reaction method.
e． realize communication with superordination machine, realizing information sharing. - L realize regulator fault diagnosis and alarm.
g． realize regulator self-lock.
h. realize regulator state information management, using intelligent valve locator advantages are as follows.
a. reduce control circuit installation, check and debugging time.
b. using diagnosis function, make regulator operating. The life extended, operating condition can be timely monitoring.
c. Reduce requirements for instrument maintenance worker skills.
2011-04-11