Input / Output circuitCircuit d’entrée/sortieEingangs-/Ausgangskreise输入/输出电路

number of analogue sensors able to be connected

number of inputs sensing signals from mechanical contact or from solid-state devices such as two-wire proximity switches

number of 2-state signal outputs which are either mechanical contact or solid-state switch (for example relay contact, triac, transistor or equivalent)

number of analogue inputs intended for positive temperature coefficient sensor

ability to detect short-circuited measuring circuits

ability to detect open sensor measuring circuits when energized

control unit capable of detecting wire breaks within the PTC thermistor circuits

all values of the analogue current signal between and including defined limits

ratio between the peak-to-peak value of the AC component and the upper limit of the signal value

change in output caused by a change in ambient temperature with respect to reference conditions, expressed as the maximum error across the specified ambient temperature range

all values of the analogue voltage output between and including defined limits

time taken, following the removal of an external influence, for the output signal to return to its previous value within the limits of repeatability

minimum input value that can be measured with a specified uncertainty and under defined conditions

maximum input value that can be measured with a specified uncertainty and under defined conditions

quantitative description of the physical phenomenon which the sensor converts into an output electric signal