Fisher FIELDVUE DVC6200p Instruction Manual page 32

Digital valve controller
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Configuration
June 2017
Figure 3‐6. Cycle Counter Deadband (set at 10%)
Deadband exceeded, and direction
changed, new Reference Point
established
Deadband Reference
Point
Deadband (+/- 5%)
A6533‐1
D Cycle Counter Limit— is the value of the Cycle Counter, in cycles, which, when exceeded, sets the Cycle Counter
Alert.
D Cycle Counter Deadband— the area around the travel reference point, in percent (%) of ranged travel, that was
established at the last increment of the Cycle Counter. This area must be exceeded before a change in travel
direction can be counted as a cycle. See figure 3‐6.
Travel Accumulator
This alert is active if the Travel Accumulator exceeds the Travel Accumulator Alert Point. The Travel Accumulator Alert
is set when the Travel Accumulator value exceeds the Travel Accumulator Alert Point. It is cleared after you reset the
Travel Accumulation to a value less than the alert point.
D Travel Accumulator— records the total change in travel, in percent (%) of ranged travel, since the accumulator was
last cleared. The value of the Travel Accumulator increments when the magnitude of the change exceeds the Travel
Accumulator Dead‐band. See figure 3‐7. You can reset the Travel Accumulator by configuring it to zero.
D Travel Accumulator Limit— the value of the Travel Accumulator, in percent (%) of ranged travel, which, when
exceeded, sets the Travel Accumulator Alert.
D Travel Accumulator Deadband— the area around the travel reference point, in percent (%) of ranged travel, that was
established at the last increment of the accumulator. This area must be exceeded before a change in travel can be
accumulated. See figure 3‐7.
Travel Sensor
This alert is active if the Travel Sensor reading is outside the functional range, or the sensor becomes disconnected.
30
Point at which
cycle is counted
Instruction Manual
D103563X012

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