APT3700N Smart Pressure Transmitter for Nuclear Service Operation Manual M3700N-K01E
43
output signal is low
or none
Loop Wiring
o. Check if the Transmitter terminal’s voltage is
always between 12V~45VDC.
o. Inspect the grounds for Disconnected Tracks and
paragraphs.
o. Inspect signal terminal’s polarity
o. Inspect Loop’s Impendence
output signal is low
or none
electronic
circuit
Module
o. Connect to HHT and set the Transmitter into Test
mode and inspect the sensor Limit to check the
Calibration Sensor Range.
