15Endress+Hauser
Prosonic T - FMU 130, 131, 230, 231, 232
Functional Display
Prosonic T differentiates between the operational faults alarm and warning.
(See also “Information on the measuring point”, page 28.)
2-Wire
If the Prosonic T Identifies an Alarm
• the bargraph flashes, if the display is plugged
• the current output adopts a preselected value (–10% = 3.8 mA, +110%, HOLD)
• an error code is output in V9H0
If the Prosonic T Identifies a Warning
• the instrument continues to measure
• an error code is output in V9H0
4-Wire
If the Prosonic T Identifies an Alarm
• the bargraph flashes, if the display is plugged
• the red LED lights up
• the current output adopts a preselected value (–10% = 2.4 mA, +110%, HOLD)
• an error code is output in V9H0
If the Prosonic T Identifies a Warning
• the red LED flashes
• the instrument continues
to measure
• an error code is
output in V9H0
LED off LED on
Function Green LED Red LED Bar graph in Error Code in
display V9H0?
Caution 2-wire versions: The green LED is not used to display operational status due to power
consumption. There is no red LED.
2-Wire
Entry completed
Error status
– Alarm YES
– Warning YES
4-Wire
Entry completed
Error status
– Alarm YES
– Warning YES
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