Steiel Elettronica S.r.l.

SteielModel MC14 -Microprocessor-Based Multicontroller

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Designed for managing the analysis and adjustment of the basic parameters for water and process liquids. Inputs for 5 simultaneous measurements (4 to be specified + temperature, always provided). Measurements of pH, redox, chlorine, conductivity, turbidity, etc.. Chlorine analysis with amperometric or potentiostatic cell (also available double input for potentiostatic cell). Temperature input for three-wire Pt100 sensor. Simplified interface with 4-button keyboard. Two configuration levels (standard and advanced), protected by two different passwords. Easy and intuitive configuration and calibration. User-selectable interface language among Italian, English, French and Spanish. 2-row alphanumeric LCD with backlight.

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  • Standard power supply at 230 Vac (other options upon request)
  • Relays can be configured for ON/OFF or proportional control (with settable thresholds), or for NO or NC alarm
  • User can set an alarm / control to avoid overdosing
  • 2 current outputs, 0-20 or 4-20 mA
  • OFF input, configurable as NO or NC for disabling outputs (contact from filter pump contactor)
  • Input from water flow sensor for disabling outputs in case of flow lack
  • 2 level inputs for monitoring the products to be dosed, and disabling the selected outputs in case of liquid lack
  • Optional 24 Vac output for driving small dosing pumps or solenoid valves without needing additional devices
  • Analog outputs to export measured values, provided with galvanic insulation
  • Alarms and errors (diagnostic) directly displayed on the LCD
  • Date and time label always displayed, even in case of power failure
  • Configuration / calibration data storage on not volatile memory for at least 10 years
  • Data log downloadable via serial line (internal data logger)
  • RS232 or RS485 serial port, with galvanic insulation, for communication with PC, RW14 remote control system or µMMC4 data recorder
  • The unit can be supplied prewired and mounted on a panel, complete with measurement sensors, dosing pumps and data recording system