The standard current output range for all MTL converters is 4-20mA with under/over range 0-22.25mA. The input signal range will be converted to an analogue output so that the start of the range is corresponding to 4.000mA and the range end to 20.000mA. Input signals outside of the configured range will be converted accordingly into the under- or over range output values. This output characteristic allows the configuration of alarm output signals for some input signal conditions or for specific transmitter status.
The output signal range on the temperature converters MTLx573, MTLx575, MTLx576-RTD & MTLx576-THC can be also configured according to the NAMUR-Recommendation NE43, which requires the limitation of the under range to 3.8mA and the over range to 20.5mA.
The output signal range on the pulse isolators MTLx532 can be configured either to the standard 4-20mA range or according to the NAMUR-Recommendation or to Full scale mode (0-20mA). In the Full scale mode the alarm output signal configuration is not available.
Please note that the output will have some leakage current and therefore signals below 0.1mA should not be used.