Instruction Manual

Instruction Manual
D103434X012
Configuration
November 2014
33
Display Primary Value Offset
Enter the PV Offset to apply it to the LCD readout.
Scrolling Message Control
Messages that can be scrolled on the LCD screen. Choose from; Primary Value Bad, Primary Value Uncertain, Failed
Alert, Maintenance Alert, or Advisory Alert.
Snap Acting Control
Select the Snap Acting Control tab (figure 4‐8) to access Snap Acting Control, Primary Value, Primary Value Percent, DI1
Trip Point Settings, DI2 Trip Point Settings, and Mode.
Figure 4‐8. Configure > Manual Setup > Snap Acting Control
MANUAL
SETUP
SNAP ACTING
CONTROL TAB
DI1 TRIP POINT
SETTINGS
MODE
SNAP ACTING
CONTROL
CONFIGURE
DI2 TRIP
POINT SETTINGS
PRIMARY VALUE
PRIMARY VALUE PERCENT
Snap Acting Control
The DLC3020f can act as a snap acting controller while simultaneously reporting PV. When Snap Acting Control is
enabled, either one or both of the DI blocks will act as controllers and output a 0 (inactive) or 1 (active), depending on
if the level has gone past (either rising or falling) a user specified level value.
Snap Acting Control—enable or disable Snap Acting Control.
Snap Units—select the desired snap unit in engineering units; length units or percent (%).
Primary Value
PV in engineering units