L Muting (2 Signals/2 Sensors) - Datasensing SH4 ADVANCED Product Reference Manual

L muting (2 signals/2 sensors)

As reported in figure below T
be greater than zero and less than T
T is measured and then multiplied by a N factor to calculate the muting timer. Muting
12
operations is ceased when NxT
ING1 signal. If MUTING2 signal goes inactive before MUTING1, muting is ceased imme-
diately. Muting is optionally ceased also when light curtain is free before the timer
expires (Muting stop condition parameter).
LIGHT CURTAIN
MUTING1
MUTING2
MUTING STATE
0s < T < T max
12 12
ESPE
S2
d1
D
Figure 43: Connection of sensors on MUTING1 and MUTING2 inputs in case of
monodirectional (L), two-sensors muting
activation delay between MUTING1 and MUTING2 must
12
Max.
12
timer expires, starting from inactivation of the MUT-
12
NxT
12
Figure 42: L muting timings
S1
L
V
S1
S2
24Vdc
MUTING1
24Vdc
MUTING2
PRODUCT REFERENCE GUIDE
MUTING
FREE
INTERCEPTED
ACTIVE
INACTIVE
ACTIVE
INACTIVE
ON
OFF
ESPE
67