Phoenix Contact’s new universal temperature transducers belonging to the MACX analogue family of isolating amplifiers has been developed and produced in accordance with functional safety standards. The modules include a signal input for a resistance thermometer, thermo elements, potentiometer and millivolt sources. The 17,5 mm version has one signal output, while the 35 mm version has three limit value relays that can be interconnected as safety-related alarm outputs.
All MACX analogue modules can be programmed using the FDT/DTM configuration software. This software also allows the user-friendly recording and monitoring of plant and system states. Further, the temperature transducers can be locally configured using an operator control and display unit, which can additionally be used to read process values and to copy settings quickly. The PIT spring-cage connection system ensures that they can be connected without tools.
The Ex MACX analogue product family includes all of the essential functions – even intrinsically safe inputs. The devices are certified corresponding to current ATEX and IECEx standards for installation in hazardous zone 2 and for Ex-i circuits up to hazardous zones 0 (gas) and 20 (dust). They offer a high degree of safety through the combination of high signal flexibility with 3-way isolation and SIL2 certification.
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