Microgate WIT005 ユーザーズマニュアル
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Problems may arise when intermediate (Lap) times are added and are very close one to another or between
start and stop. Once again it is not necessary that the impulse delta is higher than 1.2 sec, it is enough if the
impulse has a "period" (green line) where there are no other impulses.
start and stop. Once again it is not necessary that the impulse delta is higher than 1.2 sec, it is enough if the
impulse has a "period" (green line) where there are no other impulses.
STO Frame
Start
L1
0,8 sec (< 1.2)
Trasmission of STA for 1,2s
Trasmission of L1 for 1,2s
Stop
Trasmission of STO for 1,2s
0,6 sec (< 1.2)
STA Frame
L1 Frame
If on the other hand there are several and very close intermediate times, one of these might be "completely"
covered by the previous or following impulses (as in the case of L2 in the figure below), and therefore it would
not be detected.
covered by the previous or following impulses (as in the case of L2 in the figure below), and therefore it would
not be detected.
Start
L1
0,8 sec (< 1.2)
Trasmission of STA for 1,2s
Trasmission of L1 for 1,2s
Stop
Trasmission of STO for 1,2s
STA Frame
L1 Frame
STO Frame
0,6 sec (< 1.2)
L2
0,5 sec (< 1.2)
Trasmission of L2 for 1,2s
L2 Frame
To minimize this problem in case of very fast passages between one photocell and another, the
transmission time can be reduced by one third, i.e. from 1.2 sec to 0.4 sec (see chap. 5.4.1.3.2).
transmission time can be reduced by one third, i.e. from 1.2 sec to 0.4 sec (see chap. 5.4.1.3.2).
In this case the duration of the impulse transmission is very short and allows a closer setup of the photocells,
but with lower transmission reliability (as fewer redundant bundles are sent). It is advisable to use this mode
(Radio Power = Short) only with the Witty timer close to the photocells and in ideal usage conditions (see
chap. 2.3).
but with lower transmission reliability (as fewer redundant bundles are sent). It is advisable to use this mode
(Radio Power = Short) only with the Witty timer close to the photocells and in ideal usage conditions (see
chap. 2.3).