BEKA FOUNDATION BA484DF-F, Instruction Manual

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6. CONFIGURATION
6.1 Display transducer block
In addition to loading the BA484DF-F
FOUNDATION™ fieldbus display Device
Description files onto the system host, the eight
inputs require individual configuration.
Each of the four inputs of the two Display
Transducer Blocks has the following fieldbus
configurable parameters:
Bargraph_Min
Defines bargraph lower limit
Bargraph_Max
Defines bargraph higher limit
Display_format
Defines the position of the
displayed decimal point.
Six options are available:
Auto Max resolution with selected
display format.
4 DP 4 digits on right of decimal point
3 DP 3 digits on right of decimal point
2 DP 2 digits on right of decimal point
1 DP 1 digit on right of decimal point
0 DP No decimal point
Zero_offset
Adds a positive or negative
offset to the fieldbus variable
before it is displayed.
Gain_factor
Multiplies the fieldbus variable
by a factor before it is
displayed.
Display = (Gain factor x fieldbus variable) + Offset
Descriptor
Displayed fieldbus variable
identification. Up to 16
characters can be accepted but
the number displayed varies
depending upon the display
screen selected.
Units
Displayed units of
measurement. Up to 8
characters can be accepted,
but the number displayed
varies depending upon the
display screen selected.
IN
_
value
Fieldbus value to be displayed
IN
_
value
_
status
Indicates validity of displayed
fieldbus value.
6.2 Screen selection and alarm configuration
Screen selection and, if fitted, alarm configuration
is performed via the four front panel push buttons.
All the display and alarm configuration functions
are contained in an easy to use menu that is
shown in Fig 7. Where necessary the sub-menus
contain on-screen prompts to guide the user
through each adjustment.
When navigating through the configuration menu,
the push button(s) should be held until the required
screen is displayed.
6.3 Default configuration
Unless otherwise requested at the time of ordering,
BA484DF-F FOUNDATION™ fieldbus displays will
be supplied configured as follows:
Keys Both
Display brightness 100%
Display contrast 50%
Quick access menu On
Quick access menu code 0000
Configuration menu
access code.
0000
Screen Single variable
Number Format Auto
All alarms Disabled
Alarm activation Good data only
Alarm outputs N/C
Bargraph
Low 0
High 100
Input scaling
Zero offset 0
Gain factor 1
Status text On
Last input 8
Revision Revision 3
(2 x IS function
blocks)
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