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User's Guide ______________________________________________________________________
NOTE
Local Interface (Keypad and Display)
NOTE
50 ___________________________________________________________________M210862EN-A
Relay
OMT364 transmitter has one encapsulated contact relay. It can be
configured at order time to operate as a level indicator or only as a
device failure indicator. These functions can also be updated later on.
The contact relay is of a non-latching type.
Features
The main purpose of the local (keypad/display) interface is field
calibration. It is also possible to set process pressure, humidity and
carbon dioxide content to achieve better accuracy of measurement. Also
the analog outputs can be forced to certain states for a system test.
OMT364 transmitter has a seven segment display (operating
temperature range -20 ... +60 °C), four push buttons and one two-color
LED (red/green). The interface supports only metric units.
Access control for the Local Interface is achieved by requiring a
password to change the parameters. After the password has been given
it is valid for 30 minutes.
Figure 21
0511-049
OMT364 Display Layout
Some LCD segments are not utilized during operation of OMT364.
Display Modes
Without any user action the display is in one of the following modes:
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