42
…4.11
Set Up Alarms Page
…4
CONFIGURATION
rELAY2
t–PrOP
– –
– – – – – –
– – – – – –
rELAYI
r–FLtr
POS
rI–ACt
POS
r2–ACt
P–PrOP
bndLSS,
or
second
output
t–PrOP
– – – – – –
rELAY3
POS
r3–ACt
Rate Alarm Filter
The process variable input can be filtered before its rate of
change is calculated to activate any fast or slow rate
alarms. The filter time represents the time a step in the
input takes to change the input to the rate alarm from 10 to
90% of the step. Set value required, between 0 and 60 in
1 second increments.
Alarm Relay 1 Assignment
Up to 6 of the 10 alarms can be assigned to alarm relay 1,
using a logic expression of up to 12 characters. (
r
= logic
OR,
n
= logic AND,
()
are brackets and
W
is the
terminator).
Select the next character in the expression.
Press
to store the character and return to select the
next character or press
to advance to the next frame.
Relay 1 Action
Select
POS
for the relay to be energised when the logic
expression is satisfied. Select
NEG
for the relay to be de-
energised when the logic expression is satisfied.
Alarm Relay 2 Assignment
Up to 6 of the 10 alarms can be assigned to alarm relay 2,
using a logic expression of up to 12 characters. (
r
= logic
OR,
n
= logic AND,
()
are brackets and
W
is the
terminator).
Select the next character in the expression.
Press
to store the character and return to select the
next character or press
to advance to the next frame.
Relay 2 Action
Select
POS
for the relay to be energised when the logic
expression is satisfied. Select
NEG
for the relay to be de-
energised when the logic expression is satisfied.
Alarm Relay 3 Assignment
Up to 6 of the 10 alarms can be assigned to alarm relay 3,
using a logic expression of up to 12 characters. (
r
= logic
OR,
n
= logic AND,
()
are brackets and
W
is the
terminator). Select the next character in the expression.
Press
to store the character and return to select the
next character or press
to advance to the next frame.
Relay 3 Action
Select
POS
for the relay to be energised when the logic
expression is satisfied. Select
NEG
for the relay to be de-
energised when the logic expression is satisfied.
Continued on next page.
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