The 515 BS01 application is a secure dual stage batch controller for a reliable measurement of pre-set quantities using a volumetric frequency input. The instrument can be set to accept a valid ID-Tag via an ‘i-button’ module connected to the serial port before a batch can be commenced.
It provides the operator with clear local readout. The ID-Tag number is stored as a part of the logged transaction record and can be used to link deliveries to external databases. Standard 500 Series batching features such as automatic overrun compensation, quick access to common pre-sets and flow timeouts are included.
The instrument is compatible with a wide range of flowmeter frequency outputs, including millivolt signals, reed switches, Namur proximity switches and pulse trains via its smart front-panel program selection.
The total and flow rate are derived from accurately measured frequency and the number of received pulses.
Volume = pulses/k-factor
Volume flow = frequency/k-factor
Automatic overrun compensation calculates the new valve closure point to ensure correct delivery by averaging the overrun amount from the last three complete batches.
The overrun compensation value is valid for a new pre-set value, provided the stored overrun is less than 20% of the new pre-set.
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