Figure 8-3: Range Values
A. Upper Reference Point
B. Upper Blind Zone
C. Reduced Accuracy
D. Maximum Measuring Range
E. Lower Blind Zone
F. 20mA
G. Range 0 -100 %
H. 4mA
I. Zero Reference Point
8. Remove the bypass and otherwise restore normal operation.
For troubleshooting the transmitter, see Service and troubleshooting.
Suggested comprehensive proof-test with AMS Device
Manager and handheld communicator
The suggested proof-test described below will detect 94% of possible DU failures in the
Rosemount 5300 Level Transmitters.
Procedure
1. Bypass the safety function and take appropriate action to avoid a false trip.
2. Disable write protection in device (if enabled).
Safety Instrumented Systems (4-20 mA only) Reference Manual
April 2019 00809-0100-4530
254 Rosemount 5300 Level Transmitter
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