B
We have a DVC6020 positioner be used on a "combustion air" damper with a single piston actuator. We are using a Tri-Loop (HART converter) to provide position feedback from the DVC6020 positioner to our Yokogawa Centum CS DCS.
We are having an intermittent problem with the position feedback. The position feedback signal provided by the Tri-Loop deviates erratically and
without warning. 90% of the time the system works well, but intermittently we get these deviations. Has anyone experienced this sort of problem before? (The DVC6020s are a Fisher product normally used to quarter-turn control valve actuators. We have adapted the actuator to be used with this positioner)
Any help on this frustrating problem would be greatly appreciated.
We are having an intermittent problem with the position feedback. The position feedback signal provided by the Tri-Loop deviates erratically and
without warning. 90% of the time the system works well, but intermittently we get these deviations. Has anyone experienced this sort of problem before? (The DVC6020s are a Fisher product normally used to quarter-turn control valve actuators. We have adapted the actuator to be used with this positioner)
Any help on this frustrating problem would be greatly appreciated.