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Figure 3.1 : Two-direction muting on a conveyor (using two photoelectric
controls)
A : distance between SM1 actuation and SM2
actuation, t
= A/V
A
B : distance between SM2 actuation and ESPE
actuation, t
= B/V
B
C = B + L, t
= C/V
C
where V is the object velocity, L is the object length
and t
, t
, & t
are the object transit times.
A
B
C
FACTORY SETTINGS
•
The muting module is set in the conveyor mode on delivery.
•
The maximum timing tmax allowed between SM sensors is set to 1 s on delivery.
It can be modified to the following values : 2 s, 4 s, or 8 s.
•
The setting of the timing tmax also sets the muting maximum duration ∆max. In the
conveyor mode (delivery setting), the muting duration is set to 2 mn (on delivery). It can be
modified to the following values : 4, 8 or 60 mn.
•
Refer to chapter 2.4.2 SM inputs, to select tmax and ∆max.
107004-15 EN FR26 ROW 0899 Printed in France
< ∆ max.
t
C
1
SM1
0
8 ms < t
< tmax
A
1
SM2
0
t
< 6 s max.
B
1
OSSDs
0
ESPE
1
Muting
lamp
0
1
OSDs
MUTING
muting
0
module
∆max & tmax : see chapter 2.4.2 SM
inputs
31
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