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Application Structure The HRT-370 module is a HART signal Filter. When connecting HRT-370 to a HART instrument, it splits the HART slave signal to two channels, one keeps the original HART signal and another filers the HART digital signal out to output a pure analog signal.
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Wire connections and pin assignments Top View Bottom View Name Description Power +10 ~ +30 VDC Iout- Iout+ HART Slave HART Master Technical support:service@icpdas.com...
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LED Indicator There are 3 LEDs display on the front of HRT-370: (1) PWR: indicates module power status (2) HART: indicates communication status of HART (3) AO: indicates analog output status The below table listed the description of LEDs status.
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Wiring [ HART input wiring : (HRT-370 has built-in 250Ω resistor) ] (1) External Power: HART Device (2) Module Loop Power : (HRT-370 supports to provide +30V) HART Device Technical support:service@icpdas.com...
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[ Analog Output wiring ] M-7019 is using as an example of AI module to connect with HRT-370. Iout+ Load Iout- [ HART Output wiring ] HART gateways or converters can be connected with HRT-370 to exam HART communication Please remember to switch off the built-in...
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