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Secure Access Batch Controller, Tailored for Inputs from Volumetric Flow Meters
The 515 BS01 application is a secure dual stage batch controller for reliable measurement of preset 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 presets 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.
CALCULATIONS
The total and flow rate are derived from accurately measured frequency and the number of recieved 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 preset value provided the stored overrun is less than 20% of the new preset.
Features
Single or Dual stage control
Preset or manual On-Off modes
Quick access to common batch quantities
No-flow, leakage and overflow error detection
Remote RUN/STOP/RESET
Allows for permissive with prompt
ID Tag Validation, security and storage
Allows for non-linear correction
Storage of 1000 transactions with time and date stamp
Selection of second language and user tags
Selectable protocols on serial ports including Modbus RTU and Printer output
Backlit display with LCD backup Typical plant diagram
Downloads
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