MTL5575 - Temperature Converter Single channel, THC or RTD input with alarm
MTL5575 converts a low-level dc signal from a temperature sensor mounted in a hazardous area into a 4/20mA current for driving a safe-area load. Software selectable features include linearisation, ranging, monitoring, testing and tagging for all thermocouple types and 2, 3 or 4-wire RTDs. (For thermocouple applications the HAZ-CJC plug, on terminals 1–3, includes an integral CJC sensor). Configuration is carried out using a personal computer - see section 6.9. A single alarm output is provided and may be configured for process alarm or to provide notice of early thermocouple failure.