Emerson Rosemount 5402 - Configuration for SIS Applications; Alarm and Saturation Levels for SIS

187
Reference Manual
00809-0100-4026, Rev KC
Service and Troubleshooting
October 2018
Service and Troubleshooting
7.14.8 Application errors
When product surface is
near the tank bottom, the
transmitter enters alarm
mode (see “Alarm mode” on
page 107).
May be caused by reduction of projected surface
area close to sloping tank bottom.
Action:
 Increase parameter Empty Tank Detection Area
if measurement in this region is not crucial,
see “Empty tank handling” on page 260 and
264.
 Make sure that the Bottom Echo Visible
parameter is not set, see “Bottom echo
visible” on page 260 and 264.
Incorrect level. Action:
 Check Tank Height configuration.
 For rapid level changes, check the Damping
Value. (See “Damping value” on page 263).
Incorrect level. May be caused by wrong Range Value settings.
Action:
 Check that the Upper Range Value matches
the 100 percent level in the tank.
Incorrect level when using a
pipe.
May be caused by an incorrectly configured Pipe
Inner Diameter.
Action:
 Check that the actual Pipe Inner Diameter
matches the configured Inner Diameter.
Alarm