Cost-effective monitoring of rotating plant
28 January 2014
Protecting small but critical items of rotating plant is becoming increasingly important as the focus for industry is to continually improve efficiencies, reduce energy consumption and eliminate downtime.
The high cost of some protection systems, however, can prove difficult to justify for smaller machinery operating on less critical applications, although the requirement for monitoring still needs to be addressed.
Condition monitoring specialist SENSONICS has developed its DN26 G3 protection monitor to offer a solution to this dilemma. The DN26 G3 unit provides compact and cost-effective protection for smaller plant and equipment such as, pumps, fans, motors, centrifuges, turbines, or any item of small to medium industrial machinery.
The DIN-rail mountable unit can monitor two channels of bearing vibration, shaft vibration, or shaft position and offers fully programmable signal conditioning with a range of measurement algorithms and sensor options. In addition, it offers a dedicated speed monitor channel that can also be utilised as a phase reference for harmonic analysis of the vibration signals.
All sensor signals are available via a buffered interface that provides the option of further detailed analysis if required. Three alarm relays are available as standard (expandable to up to seven relays via a digital interface), one dedicated to indicate module and sensor integrity, the other two relays are fully programmable across the alarm criteria selected. All three input channels measured values are available via a 4-20mA interface.
The unit is available with Ethernet communications as standard, allowing for either local or remote configuration, with Modbus over TCPIP for connecting measured data to other plant wide systems.
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