Partlow's new MIC 1167, MIC 1807
and MIC 1407 Series of microbased, 1/16 DIN, 1/8 DIN and 1/4 DIN VMD process
controllers have been designed specifically to drive valve motors, with
a unique VMD tuning algorithm. The series consists of controllers with
continuous on-line open loop tuning which gives stable control at all times.
With pretune and auto-tune, the user set up is also much easier in what
is generally considered to be a complex measurement area.
In addition to tuning the P and I terms, the auto-tune also reduces valve activity to an absolute minimum without compromising the control quality, thereby reducing wear and tear on mechanical components such as valves, contactors and relays. This VMD series incorporates the latest in surface-mount and CMOS technology to ensure reliable and accurate control in a wide variety of applications.
The series offers selectable inputs for thermocouple, three-wire RTD
or DC linear. In addition to the VMD relay output, a further output option
exists which can be designated as an alarm or retransmission output.
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