Emerson Process Management 5300 Enable write protection, Hart Sequence 3, 2, 1, 2, Range 4mA

Rosemount 5300 Series

Reference Manual

00809-0100-4530, Rev BA July 2009

Figure E-1. Range Values.

Upper Range Value

Lower Range Value

Upper Transition Zone

20mA

%	Maximum
-100
	Measuring Range
Range 0

4mA

Lower Transition Zone

5.Perform a two-point calibration check of the transmitter by applying level to two points on the probe within the measuring range. Verify that the current output corresponds to the level input values using a known reference measurement.

This step verifies that the analog output is correct in the operating range and that the Primary Variable is properly configured.

Note that the applied level has to be between the Upper and Lower Range values, otherwise the transmitter enters alarm mode. If the applied level is outside the Maximum Measuring Range, the level reading accuracy may be reduced. For best performance, use the 4-20 mA range points as calibration points. See Figure E-1.

6.Enable write protection.

375 HART Sequence: [3, 2, 1, 2, 1].

7.Restore the loop to full operation.

8.Remove the bypass from the safety PLC or otherwise restore normal operation.

9.Document the test results for future reference.

E-2