RODI Systems Corp.

- Model 400 LX - Water Treatment Monitoring and Control System



The RODI Systems AquaLynx® Model 400 LX is a complete monitoring and control system designed specifically for commercial and industrial water treatment applications. It is a unique multi-parameter control unit capable of monitoring and controlling virtually any water treatment application. The AL400 LX is available in multiple variants, each with different combinations of conductivity, pH, ORP, flow (sinking pulse), and analog (4-20 mA) inputs. In addition, the AL400 LX is uniquely equipped with a programmable controller which can be programmed in ladder logic. This, along with the assortment of multi-parameter input options, allows the AL400 LX to be customized for virtually any water treatment applications of the RO pretreatment system without bothering with labor-intensive manual tests.

  • Discrete Inputs Eight Isolated, 24 VDC
  • Discrete Outputs Eight Form C Relays, 2 Amps @ 250 VAC / 30 VDC
  • Flow Inputs Three, Sinking Pulse, 24 VDC, Limited to 100 mA
  • Sensor Input Variants Two conductivity with temperature compensation, two pH/ORP with temperature compensation, one conductivity and one pH/ORP, or all 4-20 ma analog inputs
  • Serial Ports One Isolated RS232/485 Serial Port with Modbus RTU or A-B DF1 Slave
  • User Interface 4.3' Color Touchscreen with Backlight
  • Power 100-240 VAC, 50/60 Hz, 1 Amp
  • Enclosure NEMA 4X Polycarbonate
  • Mounting Wall Mount
  • Dimensions 16.38” high x 10.88” wide x 8.50” deep
  • I/O Connections All connections via screw terminals or spring terminals.
  • Environment 0° to 55° C (32° to 131° F), 10 to 95% relative humidity, non-condensing
  • Certifications Meets UL 508A Standards.

  • Reverse Osmosis
  • Remote Monitoring
  • Chemical Feed
  • Cooling Towers
  • Disinfection
  • Ultrafiltration

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