Efficient control cabinet monitoring

23 June 2015

A new cabinet condition monitor from Turck is said to offer the ability to continuously monitor the relevant ambient variables inside control cabinets. 

At ACHEMA 2016, Turck presented the IMX18-CCM (cabinet condition monitoring) cabinet guard, a multi-function device that can be installed into new or retrofitted in most control cabinets or box in to continuously monitor the degree of protection. 

The rail-mounted device uses a switch signal to indicate to the control system any incorrect closing of doors or the exceeding of limit values for temperature and interior humidity.

The 18 mm wide guard comes with an intrinsically safe two-wire isolating transducer interface, enabling it to also be used in explosion hazardous areas. A simple teach-in process can be carried out directly on the device without the need for a computer or any additional tools. The standard HART interface is provided for additional diagnostic options, such as for reading out the absolute measured values.  

Besides the interface technology, the control cabinet guard is also said to offer a range of sensors which monitor the actual status of the environment – a temperature sensor, an absolute humidity sensor and a triangulation sensor which measures the distance to the cover or door to monitor correct closing. 

In order to detect humidity problems, the device monitors long-term trends and compares them with the taught safe condition. As soon as defined limit values have been exceeded, this is indicated to the control level via a potential-free contact. 

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