Oldham MX15, Installation And Operating Manual, Page: 21 / 32

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– Operating instructions
17
■ Replace the settings access hatch.
Procedure for a 4-20 mA transmitter
The procedure to follow when the MX 15 controller is connected to a 4-20 mA
transmitter without a local maintenance device (calibration switch, etc.).
■ Ensure the TEST has been confirmed in order to block the controller -level
relays: see the TEST Menu (TST) paragraph on page 16.
■ Adjust the settings on the transmitter. For instructions on how to do this,
refer to the manual for the product in use.
■ Confirm the connection between the transmitter indicators (zero and
sensitivity) and the controller indicators. If necessary, adjust the controller
settings. For instructions, see the paragraph above.
■ Once the calibration has been completed, wait for the value indicated on
the controller display to return to zero.
■ Press the TEST button ( ) to exit this menu.
■ The yellow LED will turn off and the display will show a dotted line.
■ If necessary, press one of the "+" or "-" ( or ) buttons, to bring up the
measurement.