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Counter inputs
Counter
frequency
Weighting
Integrator
inputs
Integrator
time base
Weighting
Weighting
example
Minimum size
of input signal
Counters
- logic inputs
- logic channels
- alarms
- errors
- Modbus-Flag (signal via serial interface)
30Hz max.
The count pulses can be evaluated (weighted). A down counter can be imple-
mented by entering a negative weighting (e.g. weighting factor -1).
Each count change can be documented with an entry in the event list. The
new count is attached to the message.
Integrators
- analog inputs 1— 3 (6)
- sec, min, hr and day
You can also enter a weighting for the integrators.
- flow measurement
- input signal from 0 — 20mA (corresponds to 0 — 1000 l/sec)
- time base 1sec
- weighting 0.001
- display of the integration value (quantity) in m³
Entering a threshold value (amount of threshold value) has the effect that inte-
gration takes place only when the value has been exceeded. No integration
will occur on falling below the value. The advantage of integration with a
threshold value larger than 0 is that possible noise from a transducer can be
suppressed in this way.
Timers
The timer will count for as long as the selected logic input or one of the digital
signals is closed (set). The time can be displayed in sec, min, hr and days.
2 Instrument description
15
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