Selecting "Al Cnf" Alarm Configuration Features; Figure 10-5 Low Deviation For Both Active Above And Active Below; Figure 10-6 Band Deviation For Both Active Above And Active Below - Omega DP461-S User Manual

SP3 = 100
SP1–SP3 = 50
SP1–SP3–HYS = 40
SIGNAL OFF
LEVEL
Figure 10-5. Low Deviation for both Active Above and Active Below
SP1+SP3+HYS = 260
SP1+SP3 = 250
SP1+SP3–HYS = 240
SP3 = 100
SP1–SP3+HYS = 60
SP1–SP3 = 50
SP1–SP3–HYS = 40
SIGNAL ON
LEVEL
Figure 10-6. Band Deviation for both Active Above and Active Below

10.5 SELECTING "AL CNF" ALARM CONFIGURATION FEATURES

These bits offer the same selections for "SP 3" and "SP 4" as "SP CNF" did
for "SP 1" and "SP 2", except for the last bit, which controls "SP 3" and
"SP 4" LATCH reset.
1. "ALC.1=0"
"ALC.1=1"
When Alarm 1 (Setpoint 3) is assigned to place a band about the Setpoint 1
level (by setting "ALF.1=3", described in Section 10.6), "ALC.1=0" makes
Alarm 1 (Setpoint 3) active ABOVE and BELOW the band (OUTSIDE the
band), with the chosen hysteresis for Alarm 1 (Setpoint 3) now inside the
band. If "ALC.1=1", Alarm 1 (Setpoint 3) is active INSIDE the band, with the
chosen hysteresis for Alarm 1 (Setpoint 3) now outside the band.
SP1–SP3+HYS = 60
ON OFF
ACTIVE ABOVE
OFF ON OFF
ACTIVE ABOVE
makes Alarm 1 (Setpoint 3) active above the
Setpoint value.
makes Alarm 1 (Setpoint 3) active below the
Setpoint value.
Setpoints/Alarms
SP1–SP3 = 50
SIGNAL ON
LEVEL
ACTIVE BELOW
ON OFF ON
ACTIVE BELOW
10
OFF ON
OFF ON OFF
10-5