32
Reference Manual
00809-0100-4022, Rev GA
September 2016
3.5.5
Re-zeroing
Field Communicator
4mA rerange
1.
Vent the transmitter.
2.
Follow the HART Fast Key sequence shown.
3.
Select
OK
after the control is set to manual (see
“Setting the loop to manual” on
4.
Select
1
to set the 4 mA point.
5.
Select
OK
to set the new 4 mA point.
6.
Select
1
to set the vented pressure as the new 4 mA point.
7.
Select
3
to exit the screen.
8.
Select
OK
to acknowledge that the loop can be returned to automatic control.
Using the transmitter zero adjustment target
1.
Vent the transmitter.
2.
Set the 4 mA point by touching the magnetic end of the provided adjustment tool
to the zero target (Z) on the transmitter. You must maintain contact for at least two
seconds, but no longer than ten seconds for the zero function to activate.
3.
Verify that the output is 4 mA.
3.6
Hazardous locations
The Rosemount 4600 Transmitter has an explosion-proof housing. Individual transmitters
are clearly marked with a tag indicating the certifications they carry. See
for additional information.
Note
Once a device labeled with multiple approvals is installed, it should not be reinstalled using
any other approval type(s). Permanently mark the certification label to distinguish the
installed approval type from unused approval types.
Fast Keys
1, 3, 3, 2
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