PD6800-0L1 Loop-Powered Process Meter
Instruction Manual
33
Alarm Output (
OUTPUT
)
The PD6800-0L1 is equipped with an NPN open collector output that may be set up
for high or low alarm trip point based on the level display (
LEVEL
) or the volume scale
(
VOLUME
). The output may be disabled by selecting
OFF
.
When the alarm is enabled for level and the alarm set point has been reached, the
level display will flash, accompanied by the bottom display alternating between
normal display and
ALARM
. A tank height indicator segment will flash at the level the
alarm is set to while the level indicator is at or above the alarm point.
When the alarm is enabled for volume and the alarm set point has been reached, the
bottom display will flash, alternating between its normal display and
ALARM
.
To set a high alarm, program the set point value to be greater than the reset point.
To set a low alarm, program the set point value to be less than the reset point.
To acknowledge an alarm, press the
ENTER
button once for acknowledge prompt
and a second time to confirm. Acknowledging an alarm will turn off the alarm output
and stop the display from flashing. The bottom display will continue to alternate
between its normal display and ALARM until the alarm condition is cleared.
The alarm status will show on the display even if the output is not wired.
