Fiber loop calibration
For the
primary calibration of the loop fiber proceed as follows
. On dip-switch “Function”:
1. Ensure that the microswitch
3
,
4
,
5
and
6
are
OFF
;
2. Turn
ON
the microswitch
3
to enable adjustment of
loop1
;
Adjust the trimmer
R30
until you see on the display, the value close to
5
. To do this
bring the value of reading on the display
5
and then adjust back around a quarter of the
trimmer. The display will have to remains displayed the number
5
and
not 4
.
3. Return to
OFF
the microswitch
3
;
4. Turn
ON
the microswitch
4
to enable adjustment of
Loop2
;
Adjust the trimmer
R34
until you see on the display, the value close to
5
. To do this
bring the value of reading on the display
5
and then adjust back around a quarter of
the trimmer. The display will have to remains displayed the number
5
and
not
4
.
5. Return to
OFF
the microswitch
4
.
Once you have the value close to 5 with the primary regulation loop of fiber is possible to
switch to
fine calibration
. Proceed as follows:
1. Ensure that the microswitch
3
,
4
,
5
and
6
are
OFF
;
2. Turn
ON
the microswitch
5
to enable the fine calibration of
loop1
;
•
Adjust the trimmer
R27
until you see on the display
The segments “g” e “p” indicate the optimal adjustment of the fiber loop.
Installation and Programming Manual V1.2
19