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Example 2: To program calculated channel 1 to activate relay 1 to operate on a difference value if the difference
between inputs 1 and 2 exceeds a value of 20 the basic settings are:
•
At the
CONF CHAN Cnt
function ensure that at least one calculation channel is set
•
Set
AL1 High
to
20
•
Set
AL1 RLYS
to
RLY1 On
•
Set
AL1 OPEr
to
Hi.Lo
•
Set
AL1 Ch
and to
CC1
•
Set
CC1 Func
to
diFF
•
Set
CC1 ChAn SEL
to
Ch1 On
and
Ch2 On
Relay 1 will now activate if the difference between input channels 1 and 2 exceeds a value of 20 and if annunciators
are fitted annunciator 1 will flash. In the example above if
AL1 Lo
had been set to
20
with the high alarm set to
OFF
then the relay would activate if the difference between the two inputs was less than 20.
Example 3: To program calculated channel 1 to show the fixed average of every 20 data strings:
•
Set the
CALC Cnt
function in the configuration section to
1
•
Set the
Func
in the calculated channel section to
F.AUg
•
Set the
A.cnt
in the calculated channel section to
20
The average of each 20 data strings will now be shown as the calculated channel 1 (
CC1
) value.
5.83
Calculation channel data log
Section:
CC 1
to
CC 8
Display:
d.Log
Range:
OFF
or
ON
Default Value:
OFF
Default Access Level
4
Function number
4E50
to
4E57
Applicable only when the internal data logger option is fitted. This function allows the calculated channel values
to be added to the values logged by the data logger when set to
ON
or stops the values being added to the logged
values when set to
OFF
.
5.84
Calculation channel display
Section:
CC 1
to
CC 8
Display:
dISP
Range:
OFF
or
ON
Default Value:
OFF
Default Access Level
4
Function number
4E60
to
4E67
This function allows the user to select whether or not the calculated channel is shown on the display along with the
input channels. Each calculated channel can be independently set to
ON
or
OFF
i.e. it is possible to select only
those channels you wish to see. If set to
OFF
the calculated channel selected will not be displayed. If set to
ON
the calculated channel selected will be displayed and will show a
c
on the display e.g. a display of
123c4
would
LD5RSMAN-2.0-0
57 of