364Ax-Gx Instruction Manual
49
Replacement
Electronics replacement
For electronics replacement or update apply the following procedure:
1. Screw down completely the cover locking screw using the 3 mm Allen key
2. Unscrew and remove the cover
3. Unscrew the two fixing screws and remove the secondary electronic assembly
4. Unplug the sensor cable
5. Plug the sensor cable to the new secondary electronics. Fix the electronic circuit by its screws.
6. Refit the covers and tighten securely.
7.
Unscrew the cover locking screw to secure the covers.
This is mandatory to meet "Flameproof
requirements" for Hazardous Areas installation.
Data saving in case of replacement
In case it is necessary to replace the secondary electronic (e.g.: fault, HART electronic release update) the
configuration of the new electronics is automatically updated, via the primary electronics, when the 364XS is
power cycled.
Digital LCD Integral Display installation or replacement
To install the integral display:
1. Look at the indication on the nameplate.
WARNING
In an Explosion-Proof/Flame-Proof installation, do not remove the transmitter covers when power is applied
to the unit
2. Remove the housing cover.
3. Fit the Integral displ ay onto the se condary
electronic. At this purpo se use the 6 pin
insert, supplied with the meter, it should be
positioned in order to conne ct the two
female connectors with the indicator in the
required position
Note that it is possible to select the rotation
angle by selecting one of the four different
connections
rotated
clockwise
or
counterclockwise with 90°
steps.
4. Fit the windowed housing cover, turn i t to
seat the O-ring into the housing and then
continue to hand tighten until the cover
contacts the housing metal-to-metal
WARNING
In Ex d (Explosion Proof) installation, lock the cover rotation by turning the locking screws
(use the 3 mm Allen key supplied with the instrument)
