18
rESO
(Resolution) SUB MENU
The Digihelic
®
II Controller is capable of displaying four digits of resolution. However, at very low
pressures the instability of the pressure may cause fluctuations in the least significant digit
causing the least significant digit to be of little value.
Three digit resolution (
3DIG
) can only be active when there is at least one digit to the right of a
decimal.
3DIG
- Set display for 3 digit resolution
4DIG
- Set display for 4 digit resolution
Pd.S
(Process Display) SUB MENU
STD
- Display reads pressure, velocity, or flow values
PCT
- Display reads % of full scale value
When the display is reading percent,
PCT
is displayed in the upper right of the display. The
percent display is only available in pressure operation.
DAMP
(Dampening) SUB MENU
Adjust from 1-16
Dampening stabilizes the display from instabilities due to things such as vibration and
excessive pressure fluctuations. The dampening setting adjusts the amount of readings that
are averaged for each display update. Adjust the dampening value until the display reads a
stable value for the application.
AdU
(Advanced) MAIN MENU
POL
- Process output low
ADDR
- Modbus
®
address
POH
- Process output high
WR
- Modbus
®
write enable/disable
MSP1
- Maintenance set point 1
ZERO
- Zero calibration
MSP2
- Maintenance set point 2
SPAN
- Span calibration
POL
and
POH
(Process Output Low and High) SUB MENUS
This feature is used in pressure operation only.
Process output low and high are used to scale the 4-20 mA output. Set
POL
to the desired
display reading for 4mA output, and set
POH
to the desired display reading for 20 mA output.
POH
must be higher than
POL
.
POL
may be adjusted 2% BELOW minimum scale up to
POH
.
POH
may be adjusted from
POL
to 2% ABOVE maximum scale.
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