Salinity multi-parameter controller IQ SensorNet 284

temperaturepHORP

Overview
The IQ SensorNet 282 and 284 controllers are a modular, plug-and-play system for complete sensor networks designed for continuous water and wastewater process monitoring and control. They provide system-wide visibility, early detection of network failures, improved regulatory compliance and operational cost savings. Controllers include a color graphic display, USB interface and onboard data logging for analysis and troubleshooting.

Key capabilities

• Modular controller architecture with stacked module expansion (mechanical + electrical docking).
• 282 models support 2 sensor connections; 284 models support 4 sensor connections; networked systems can address up to 20 parameters.
• Compatible with all IQ SensorNet sensors and single-cable IQ sensor cables (power + communications).
• Supports industrial communications: MODBUS TCP, MODBUS RTU, PROFIBUS, PROFINET; Ethernet/RJ45 and fieldbus options available.
• USB interface and onboard data logging (up to 520,000 data sets) for export and troubleshooting.

Measured parameters (examples)

• Dissolved oxygen (optical or electrochemical)
• pH
• ORP
• Conductivity / specific conductance
• Temperature
• Orthophosphate
• Turbidity (with ultrasonic cleaning)
• TSS (total suspended solids) (with ultrasonic cleaning)
• Ammonium
• Nitrate
• Nitrite (with ultrasonic cleaning)
• NOx (with ultrasonic cleaning)
• Potassium
• Chloride* (menu only; last-value display on some sensors, not real-time control)
• COD / BOD (with ultrasonic cleaning)
• TOC / DOC (with ultrasonic cleaning)
• SAC (spectral absorption coefficient) (with ultrasonic cleaning)
• UVT-254 (with ultrasonic cleaning)
• Salinity
• Sludge level

Typical benefits

• Enhanced network visibility and centralized management.
• Early detection of failures and reduced unplanned downtime.
• Better compliance with regulatory targets.
• Operational cost savings: reduced energy, pump/blower maintenance and labor.

System features & options

• Model/configuration options: 282 (2 sensor connections) and 284 (4 sensor connections); variants with PROFIBUS, MODBUS, Ethernet/fieldbus, RJ45 remote control, and 24 V AC/DC power versions.
• Modular expansion: dock additional MIQ/DIQ modules (up to 3 stacked modules per unit) without rewiring.
• Dedicated modules: Relay, Output, Analog Input, Power Supply, Junction/Extension, Wireless, etc.
• Accessories: wide range of IQ SensorNet sensors (FDO, TriOxmatic, VisoTurb, ViSolid, VARiON, NitraVis, NiCaVis, CarboVis, UVT probes) and sensor cables.

Notes
Chloride may appear in the terminal menu but for certain sensors (e.g. NitraLyt or VARiON) it is shown only as the last value and does not provide real-time monitoring/control or compensation as a process control function on those sensors.

Specifications

• Cable entries: 4 screw cable glands M16 × 105.
• Cable options: 2‑wire with shield for power and communications; polarity-reversal resistant; comprehensive EMC shielding; cable topology: line, tree, star or multiple star; maximum total cable length = 250 m (820 ft).
• Certifications: ETL, cETL (conforms with relevant UL and Canadian standards), CE.
• Connector: Screw terminal strips; terminal area for solid conductors 0.2–4.0 mm² and for flexible conductors 0.2–2.5 mm²; accessible through cover; used for sensor connection or I/O/looping/branching of the IQ SensorNet cable.
• Display: Graphic color display; 320 × 240 pixels; visible area 77 × 64 mm; backlit.
• Enclosure: Material PC-20% (polycarbonate with 20% fiberglass); rating IP66 (not suitable for conduit connection).
• Dimensions (282/284): 144 W × 144 H × 120.2 D mm (5.67 × 5.67 × 4.73 in).
• Weight: 282/284: 1.2 kg (2.6 lb); DIQ/S 284-CR6 version: 1.7 kg (3.7 lb).
• Integrated lightning protection: EN 61326 compliant enhanced over-voltage protection in each component.
• Keypad: 5 operation keys — Measurement (M), Calibration (C), Set/System (S); OK and ESC; 4 directional buttons for navigation.
• Memory: Data memory up to 520,000 data sets.
• Module coupling (rear): Combined mechanical and electrical connection for rapid coupling to modules; no wiring required; up to 3 stacked modules.
• Operating temperature: -20 to 55 °C (-4 to 131 °F).
• Power: 100 to 240 VAC (50/60 Hz) and 24 V AC/DC (model dependent).
• Radio (wireless module): Class 1 radio, nominal range 100 m (328 ft); up to 300 m (984 ft) depending on conditions.
• Storage temperature: -25 to 65 °C (-13 to 149 °F).
• Warranty: 3 years.