Reference Manual
00809-0100-4841, Rev. AA
May 2007
5-3
Rosemount 3490 Series
Current Input Calibration
Menu:
MAIN MENU / SETUP / [CONTROL UNIT /] SYSTEM / TEST /
CURRENT INPUT
4mA Input Calibration:
Step 1: Apply 4mA to the Current Input.
Step 2: Select the "4mA In Adjust" menu option (from the above menu).
Step 3: Press the red (ENTER) button once.
20mA Input Calibration:
Step 1: Apply 20mA to the Current Input.
Step 2: Select the "20mA In Adjust" menu option (from the above menu).
Step 3: Press the red (ENTER) button once.
Fixing The Output Current
Menu:
MAIN MENU / SETUP / [CONTROL UNIT /] SYSTEM / TEST /
CURRENT OUTPUT
Set Current to fixed output, temporarily (P702):
Step 1: Select the "Set Current" menu option (from the above menu)
Step 2: Edit a suitable mA value (in the range 4-20mA)
Step 3: Save the mA value to then fix the Current Output at that level
Pressing the ESC button will exit to the menu and restore the Current Output
to the level appropriate for the PV value.
Current Output Calibration
Menu:
MAIN MENU / SETUP / [CONTROL UNIT /] SYSTEM / TEST /
CURRENT OUTPUT
4mA Output Calibration (P700):
Step 1: Select the "4mA Out Adjust" menu option (from the above menu)
Step 2: Measure the output current
Step 3: If the output current is not 4mA, edit the existing value to be the actual
mA reading and then save it.
20mA Output Calibration (P701):
Step 1: Select the "20mA Out Adjust" menu option (from the above menu)
Step 2: Measure the output current
Step 3: If the output current is not 20mA, edit the existing value to be the
actual mA reading and then save it.
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