Published on the Packaging World Web site

Controls Product Brief
| April 8, 2011

PLC for HVAC/R machines

Schneider Electric’s Modicon M168 PLC uses flexible architectures, customized design and SoHVAC software to help OEMs and end users to remotely monitor energy consumption, machine shutdowns, and other problems, improving performance, optimizing costs, and speeding time-to-market for HVAC/R machines.  
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The controller offers solutions for small/medium chillers, roof top units, refrigeration racks, and air handling units.  Energy-savings features on the Modicon M168 PLC include: energy efficient application function blocks; variable speed drives said to allow a 50% savings in energy consumption compared to conventional motor starter and flow regulation installations; advanced control application function blocks on key functions. 
SOURCE: http://www.packworld.com/controls/motors/plc-hvacr-machines