Contrec 515–BS01 Secure Access Batch Controller

Part Number: Contrec 515–BS01 Category:

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Contrec 515 series with 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.


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 preset value provided the stored overrun is less than 20% of the new preset.

  • Single or Dual-stage control
  • Preset or manual On-Off modes
  • Quick access to common batch quantities
  • No-flow, leakage, and overflow error detection
  • 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

Datasheet: Contrec 515 – BS01 Datasheet
Instruction Manual: Contrec 515 – BS01 Instruction Manual

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