20
Navigation and Customization
Changing the Setpoint
A setpoint is the amount of pressure the controller will attempt to match
by opening or closing its valve.
Press the
SETPT
button on the Main Display (
) or Control Menu
(
MENU
→
CONTROL
, previous page) to choose a new setpoint. The setpoint
selection screen indicates the engineering units and maximum allowable
setpoint (e.g.,
PSIG 10.00 Max
). To cancel a setpoint, press
CLEAR
, or give
it a zero setpoint.
Changing Between Setpoint Sources
Menu
→
Control
→
Advanced Control
→
Setpoint Source
Pressure controllers accept setpoints from the front panel, a serial data
connection, or an analog signal.
•
When the source is set to
Serial/
Front Panel
, the controller
will accept input from either
the front panel, or an RS-232/
RS-485 connection. Neither
source is a subordinate of
the other, so the controller
will accept the most recent
command from either source.
•
When the source is set to
Analog
,
the controller will ignore serial
setpoint commands and will
prevent input from the front
panel. Available analog inputs
include: 0–5 Vdc, 1–5 Vdc,
0–10 Vdc, and 4–20 mA.
Adjusting the setpoint with the optional IPC
(Integrated Potentiometer Control)
If your controller has been ordered with a potentiometer control knob
(IPC), then the setpoint source must be set to Analog for the controller to
accept setpoint commands from the IPC.
!
When using a serial setpoint signal with a controller that has an
IPC, leave the IPC knob at the midpoint when it is not in use.
Setpoint Source Menu
