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W600 Series Water Treatment Controllers
Providing powerful programming and complete control in a broad range of water treatment applications.
Features & Benefits
Features:
- Controls up to 6 complex functions
- Touch screen display with icon-based programming makes setup easy
- Analytical sensors measuring pH, ORP, conductivity, disinfection, fluorescence and flow meter input
Benefits:
- Large touchscreen display with icon based programming makes setup easy
- Universal sensor input provides extraordinary flexibility; the same controller can be used with almost any type of sensor needed
- Combination Sensor Input and Analog Input board that add even more flexibility
- Lead/Lag control of up to 6 relays
- Optional dual analog (4-20 mA) input for Fluorometers or nearly any other process value
- Multiple language support allows simple setup no matter where your business takes you
- Six control outputs allow the controller to be used in more applications
- Economical wall-mount package for easy installation
- On-screen graphing of sensor values and control output status
- Two Virtual Inputs that are calculated from two real inputs (cycles of concentration, % rejection, etc.)
- The W600 with amperometric chlorine sensors can be used for reporting chlorine residual measurements in accordance with EPA Method 334.0
- Complete flexibility in the function of each relay:
- On/Off Setpoint
- Time Proportional Control
- Proportional Control (when purchased with 4-20 mA or pulse solid-state opto relays)
- PID Control (when purchased with 4-20 mA or pulse solid-state opto relays)
- In-Range or Out-of-Range activation
- Probe wash
- Timer-based activation
- Activation based upon the state of a contact closure
- Timed activation triggered by Water Contactor / Paddlewheel flow meter’s accumulated total flow
- Activate with another output
- Activate as a percent of another output’s on-time
- Alarm
- Spike Set Point
- For Cooling Tower and Boiler applications:
- Biocide Timer
- Boiler blowdown on conductivity using intermittent sampling
- Datalogging
- Emailing Alarm messages, Datalog, Graph, or System Summary Reports
- Ethernet option for remote access via the Internet, LAN or Modbus/TCP and BACnet
Additional Notes
Specifications:
Inputs
Power 100-240 VAC, 50 or 60 Hz, 7A max Fuse: 6.3 Amp
Sensor Input Signals (0, 1 or 2 depending on model code) Contacting Conductivity: 0.01, 0.1, 1.0, or 10.0 cell constant, or
Electrodeless Conductivity (not available on the combination sensor/analog input card) or Disinfection or Amplified pH, ORP, or Ion Selective Electrode which requires a preamplified signal. ±5VDC power available for external preamps. Walchem WEL or WDS series pH/ORP sensors recommended. Each sensor input card contains a temperature input. Temperature: 100 or 1000 ohm RTD, 10K or 100K Thermistor
Analog (4-20 mA) Sensor Input (0, 1, 2 or 4 depending on model code) 2-wire loop powered and self-powered transmitters supported 3-wire and 4-wire transmitters supported Each dual sensor input board has two channels: Channel 1, 130 ohm input resistance and Channel 2, 280 ohm input resistance. The combination input board has one channel, 280 ohm input resistance. Available Power: One independent isolated 24 VDC ±15% supply per channel. 1.5 W maximum for each channel. 2W (83 mA at 24 VDC) total power consumption for all channels (four total channels possible if two dual boards are installed; 2W is equivalent to 2 Little Dipper sensors)
Digital Input Signals (6): State-Type Digital Inputs Electrical: Optically isolated and providing an electrically isolated 9V power with a nominal 2.3mA current when the digital input switch is closed. Typical response time: < 2 seconds. Devices supported: Any isolated dry contact (i.e. relay, reed switch). Types: Interlock
Low Speed Counter-Type Digital Inputs Electrical: Optically isolated and providing an electrically isolated 9V power with a nominal 2.3mA current when the digital input switch is closed, 0-10 Hz, 50 msec minimum width. Devices supported: Any device with isolated open drain, open collector, transistor or reed switch. Types: Contacting Flowmeter
High Speed Counter-Type Digital Inputs Electrical: Optically isolated and providing an electrically isolated 9V power with a nominal 2.3mA current when the digital input switch is closed, 0-500 Hz, 1.00 msec minimum width. Devices supported: Any device with isolated open drain, open collector, transistor or reed switch. Types: Paddlewheel Flowmeter
Outputs
Powered Mechanical Relays (0 or 6 model code dependent) Pre-powered on circuit board switching line voltage All relays are fused together as one group, total current must not exceed 6A (resistive), 1/8 HP (93W)
Dry Contact Mechanical Relays (0, 2 or 4 model code dependent) 6 A (resistive), 1/8 HP (93W) Dry contact relays are not fuse protected.
Pulse Outputs (0, 2 or 4 model code dependent) Opto-isolated, solid-state relay, 200mA, 40V DC VLOWMAX = 0.05V @ 18mA
4 - 20 mA (0 or 2 model code dependent) Internally powered, Fully isolated 600 Ohm max resistive load, Resolution 0.0015% of span Accuracy ± 0.5% of reading
