GE Optica, Operator'S Manual

Page: 66 / 150

Programming the VGA Optica 4-7
January 2006
Pressure Input
For more information on using these items, see Process Pressure on
page 3-4.
Table 4-4: Pressure Input Options
Item Function Available Options
Input
Choose which pressure input channel is in use, or
disable this input. V in (0-5), I in (4-20), or Use
Default
Units
Choose the units for the pressure input. (See Table 4-1 on page 4-4 for
parameter chosen.)
Upper Limit Set the pressure that corresponds to full-scale input. (Enter a number.)
Lower Limit
Set the pressure that corresponds to zero volts or
4 mA input.
(Enter a number.)
Default
Pressure value to be used if the measured input is
disabled.
(Enter a number.)
Process Enter a process pressure when it is different from the
pressure at the dew point sensor (see page 3-4).
Status Set whether the process pressure is active (enabled). Enable/Disable
Pressure Enter the process pressure, if this feature is enabled. (Enter a number.)