Bürkert mxControl 8620 multiparameter controller for water treatment systems

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The mxControl 8620 multiparameter controller is designed to automate the control of process variables within a water treatment system and reduce controller and instrument costs by as much as half. The 8620 integrates all control, monitoring and display features as well as data and event logging functions into one compact unit. The 8620 is suitable for primary water treatment processes or ancillary processes in manufacturing, mining and general industry.

The controller is easily configured to display, transmit and record flow, pressure, pH/ORP, conductivity, turbidity, O₂, O₃, Cl₂, level and temperature. It accepts standard 4-20 mA inputs from the field instruments and provides high level computations to optimise the water treatment process. The compact unit is designed for use in water treatment, cooling towers, RO applications and boiler systems.

The mxControl system is capable of processing up to four analog, two RTD and eight digital inputs as well as five relay, four digital transistor and four optional analog outputs - totalling 23 I/O - simultaneously (model dependent).

Parameters are loaded by SD card or from a standard PC, via the USB interface. An optional ethernet interface can be used to configure and parameterise the controller remotely or be used to send email or SMS alerts in the event of an alarm situation. All important variables and parameters may be raised via five soft-touch keys, with the operator able to grant varied access via the built-in security system.