MODBUS RS485 and MODBUS RS232

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The profile and the products

Through the advanced platform of SC-controllers and other analysers, you can access the best solution for sensors and controllers in the world of water and waste water analysis. 
The following parameters are covered in this great portfolio: pH, ORP, Conductivity (conductive), Conductivity (Inductive), Dissolved Oxygen (LDO), Dissolved Oxygen (Galvanic), Chlorine (free), Chlorine dioxide, Ozone, Low-range Turbidity, Turbidity, suspended Solids, Sludge concentration, Sludge level, Ammonium, Nitrate, Phosphate (ortho), Phosphate (total), SAC, TOC, mA-Inputs, digital Inputs. 

SC-Controllers are available in many different versions customized to meet the individual needs of your applications: 

  • SC 1000 Multi-Channel Controller: up to 8 sensors at one location, extensions through networking, Implementation of current 0/4-20mA-signals or digital Inputs
  • SC 100 Two-Channel Controller: up to two Sensors with up to 4 measurement values 
  • SC 60 Single-Channel Controller: one Sensor with up to 2 measurement values

HACH LANGE instruments proofed their interoperability in numerous applications with MODBUS. 

The advantages

The bidirectional communication with MODBUS offers the following advantages. 

  • Open field bus standard
  • Up to 24 measurement values from various different sensors supported through a single slave (SC1000), most flexible configuration possible. 
  • Most cost effective 
  • Free choice of: RS485 or RS232 
  • MODBUS RTU 
  • Simple and cost effective wiring 
  • Four Wire Controller: supply of data and power independently over two pairs of wires.