Contrec 515 Batch & Ratio Controller (BR02)

The Contrec 515 BR02 is a batch and ratio controller designed for delivering specific quantities at set flow rates using a volumetric analogue input. It can operate in either preset or on-off modes for batch control, while flow control can be configured for local (manual) operation or PI loop mode.

This system offers operators a clear local display that shows flow rate deviations, and it can be integrated into more automated systems for remote control via communications. Users can quickly access frequently used preset values directly from the front panel, provided they have the necessary authorization.

The PI control of the process flow is managed through a 4-20mA proportional valve. It features built-in wind-up protection, a deadband, output hold, and programmable ramp time to minimize wear on valves and actuators, ensuring smooth and bumpless operation.

Before we quote this, we would normally check the volumetric flowmeter’s analogue output range, the batch quantities and flow rates you need, and the valve or actuator you plan to control. Hope this helps.

FunctionBatch and ratio controller for delivering set quantities at set flow rates from a volumetric analogue input. Supports PRESET and ON-OFF batch control modes, with flow control in local (manual) or PI loop mode.
Inputs4-20mA analogue volumetric flow input.
DisplayBacklit alphanumeric LCD showing flow rate, flow rate deviation, and batch totals.
Accuracy0.05% of full scale @ 20°C, 0.1% typical across full temperature range.
Outputs4-20mA proportional valve control output with wind-up protection, deadband, output hold, and adjustable ramp time; 2x isolated pulse outputs (200mA/30Vdc) or 4-20mA analogue retransmission, 0.05% accuracy; 2 standard relays (3A max), 2 optional.
Power100-240Vac or 12-28Vdc, up to 10W. Adjustable 8-24Vdc transducer excitation supply.
EnclosureIP65/NEMA 4X panel mount, conformal coating option.
Operating Temp+5 to +40°C standard, -20 to +60°C with conformal coating option.
Dimensions147 x 74 x 170mm, panel cutout 139 x 67mm.
CommunicationCOM-1 RS232, COM-2 RS485/Ethernet. ASCII, Modbus RTU, TCP-IP, or Printer protocol, 2400-19200 baud.
SecurityFront-panel access to frequently used preset values is authorisation-controlled.

Download Contrec 515 Batch & Ratio Controller (BR02) information here

Datasheet: Contrec_515-BR02_Datasheet
Manual: Contrec_515-BR02_Manual

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