The functional pulse evaluation units process a frequency signal at the input. NAMUR or 3 wire sensors can then be connected depending on the version. A lead fault monitoring system signals a lead breakage or lead short-circuit on the signal cables.
On devices that contain a graphics display, a user friendly menu presentation helps with the adjustment of functions on the device. The setting and display of measured values can take place in any number of units and on devices with programming sockets on the unit front, the setting can take place using a PC.