18
G. ALARM 1 OPERATIVE MODE
The display shows
A1
(Alarm 1) followed by:
HA
High alarm with automatic reset
HL
High alarm with manual reset (High Latched Alarm)
LA
Low alarm with automatic reset
LL
Low alarm with manual reset (Low Latched Alarm)
OFF
for no Alarm 1
G1. ALARM 1 ACTION
This step is skipped if Alarm 1 is
OFF
.
The display shows
A1
(Alarm 1) followed by:
rEU
for relay energized if no alarm condition (reverse action/fail safe), or
dir
for relay energized if alarm condition (direct action).
G2. ALARM 1 MASKING OPTION
This step is skipped if Alarm 1 is
OFF
or
HIGH
.
The display shows
A1
(Alarm 1) followed by:
dIS
for masking option disabled, or
Enb
for masking option enabled.
This function masks low alarm conditions during startup until the measured value first becomes
greater than the alarm threshold plus hysteresis. The alarm must have been programmed as a low
alarm.
G3. ALARM 1 FILTER
This step is skipped if Alarm 1 is
OFF
.
The display shows
F1
(Filter) followed by:
OFF
for no filter on alarm threshold, or
xxx
for filter with the time constant chosen in step C above.
G4. ALARM 1 HYSTERESIS
This step is skipped if Alarm 1 is
OFF
.
The display shows
H1
(Hysteresis 1) followed by a value from 0.1 to 9.9.
This value corresponds to the percentage of the Full Scale Value.
H. ALARM 2
Follow the same procedure as in steps F-F4 above.
I. SERIAL COMMUNICATIONS PROTOCOL
NOTE: This step will default to:
OFF
if unit does not have the Serial Communications Interface option.
ErO
if unit has the Serial Communications Interface option.
The device will support the following protocols:
ErO
for polling/selecting protocol
nbUS
for Modbus protocol
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