Meriam MFT 4010 Modular Calibrator_HART Communicator - Manual (Page 16)

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Comm. Mode. Go to the MFT Main display and select MFT. Scroll down to the Enter PC Comm. Mode menu
option and press Select. Proceed with update and cycle MFT power when the update is complete. It is
recommended to use fresh batteries or an AC adaptor during update procedures. This mode will automatically
time-out after approx. 2 minutes of inactivity and return to the main display. Pressing the Back soft key at this
point will return to the previous screen.
GENERAL OPERATION
Sensor Installation/Removal
To install a new sensor module into a sensor bay, make sure the spring-loaded sensor lock is facing toward the
rear of the MFT. Depress the sensor lock until the base of the sensor module passes into the sensor bay. Push
module into bay until it locks into place.
Once installed, the MFT will immediately read the data from the sensor and load it into the system. The display
will briefly show what sensor has been installed. The engineering units that were previously assigned to that
sensor module will automatically be displayed. Sensor modules may be installed in any sensor bay.
To remove a sensor module from a sensor bay, depress the spring-loaded sensor lock corresponding to the
module you wish to remove. The sensor lock needs to be depressed so that it clears the MFT housing. While
pressing down on the sensor lock, simultaneously pull upward on the module. A pen or small screwdriver may
be used to depress the sensor lock far enough to clear the housing.
Once a sensor module is removed from a bay, the display will clear that sensor’s information from the display
screen.
Note: Modules should be removed or installed with the MFT base unit in the Off state. For intrinsically
safe versions installation or removal must be done in a non-hazardous environment only. See
Hazardous Area Use section for more details.
Changing Units / Removing & Restoring Sensors on Display
Specific sensors can be turned on and off individually if they are not required. To turn off a specific sensor,
press the Function key and select the corresponding Units Sensor key for the sensor you wish to remove
from the display. Repeatedly pressing the Units Sensor key will cycle through the available engineering units.
Before the unit cycle repeats, the sensor display will go blank. The sensor is now off. Press the Function key
again to return to normal operation.
To reactivate a sensor that has been removed from the display, press the Function key then press the
corresponding Units Sensor key. Continue to cycle through the engineering units by pressing the Units
Sensor key until the desired unit appears on the display. Press the Function key to accept the engineering unit
and return to normal Measure Mode.
Note: Open sensor bays on the MFT should be filled with dummy modules (P/N A36741) to protect the
electrical connector and avoid contamination of or damage to the sensor bays. Dummy modules are
shipped as needed to fill MFT bays.
Sensor Module Locations
S1: Sensor Bay 1 (Left)
S2: Sensor Bay 2 (Center)
S3: Sensor Bay 3 (Right)