SMAR LD290, Operation And Maintance Manual

Page: 25 / 66

Programming Using Local Adjustment
3.3
Complete Local Adjustment
The transmitter must be fitted with the digital display for this function to be enabled. The following
functions are available for local adjustment: Engineering Unit, Lower and Upper Range Value, Zero and
Span Adjust with Reference, Damping, Pressure Trim,
Local Programming Tree
The local adjustment uses a tree structure where, by placing the magnetic tool in (
Z ) it is possible to
browse the options of a branch and, by placing it in ( S ), details of the chosen option are shown. Figure
3.2 shows the LD290 available options.
ACTION
S
Z
MOVE
AROUND
Z
S
Z
NORMAL
DISPLAY
Z
ESC
ESCAPE
Z
Figure 3.2
– Local Adjustment Programming Tree – Main Menu
NOTE
The following functions are NOT available for local adjustment: Constant Current, Table Points
Adjustment, User Units, Fail-safe, and Current Trim.
CONFIGURATION (CONF) - Is the option where the output and display related parameters are
configured: unit, primary and secondary display, calibration, function, and operation mode.
TRIM (TRIM) - Is the option used to calibrate the "without reference" characterization and the digital
reading.
ESCAPE (ESC) - Is the option used to go back to normal monitoring mode.
The local adjustment is actived
by actuation in (Z).
Configuration [CONF]
Configuration functions affect directly the 4-20 mA output current and the display indication. The
configuration options implemented in this branch are the following:
✓
Selection of the variable to be shown on Display 1 and on Display 2.
✓
Working range calibration of work. Options With and Without Reference are available.
✓
Digital filter damping time configuration of the readout signal input.
✓
Selection of the transference function to be applied to the measured variable.