English – KEYENCE SL-R12EX User Manual
Page 31
Chapter 2 Functions
2-15
2
ENGLISH
(4) Even if the signal from sensor A1 turns OFF and then A2 also turns OFF sequentially after the signals
from all the sensors turn ON, it keeps the muting function as in (2) above as long as the SL-R12EX
detects the signals from the muting devices in this sequence and the signals from sensors B1 and B2 still
keep ON. Even if muted beam axes are blocked, the FSD keeps ON-state.
(5) When the signal from sensor B1 turns OFF, the muting function is canceled, and the light curtain (SL-C
Series) returns to normal operation. At this time, the muting lamp turns OFF. Alternatively, if all bank
switching inputs turn OFF, even as the signal from sensor B1 keeps ON, the muting function is canceled,
and the light curtain (SL-C Series) returns to normal operation. At this time, the muting lamp does not turn
OFF. (The muting lamp turns OFF when sensor B1 turns OFF in correct sequence.)
Reverse direction
ON
OFF
ON
OFF
Sensor A1
Sensor A2
Sensor B1
Sensor B2
Bank switching input
Muting function
Muting lamp
Beam reception
FSD
ON
OFF
ON
OFF
ON
OFF
Less than 3 sec.
Clear
Blocked
ON
OFF
ON
OFF
ON
OFF
Less than 3 sec.
(1)
(2)
(3)
(4)
(5)
20 ms
20 ms
5 ms
24 ms
150 ms
Time chart explanation
(1) The muting function does not get active when both sensors B2 and B1 are OFF, or when only one of them
is ON. In other words, the light curtain (SL-C Series) keeps normal operation. (The muting function is OFF.)
(2) The muting function is enabled once the signal from sensor B2 turns ON at first and the signal from
sensor B1 turns ON sequentially. At this time, the muting lamp turns ON. If any one of the 3 bank switch-
ing inputs has already been ON, the preset beam axes in the bank go to the muting state. Even if muted
beam axes are blocked, the FSD keeps ON-state.
If 2 or more bank switching inputs have already been ON prior to the inputs from 2 muting devices, then
all preset beam axes in these banks go to the muting state.
(3) The signal from sensor A2 turns ON, and then, the signal from sensor A1 turns ON. As long as the SL-
R12EX detects the signals from the muting devices in this sequence, it keeps the muting function as in (2)
above.
(4) Even if the signal from sensor B2 turns OFF and then B1 also turns OFF sequentially after the signals
from all the sensors turn ON, it keeps the muting function as in (2) above as long as the SL-R12EX
detects the signals from the muting devices in this sequence and the signals from sensors A2 and A1 still
keep ON. Even if the muted beam axes are blocked, the FSD keeps ON-state.
(5) When the signal from sensor A2 turns OFF, the muting function is canceled, and the light curtain (SL-C
Series) returns to normal operation. At this time, the muting lamp turns OFF. Alternatively, if all bank
switching inputs turn OFF, even as the signal from sensor A2 keeps ON, the muting function is canceled,
and the light curtain (SL-C Series) returns to normal operation. At this time, the muting lamp does not turn
OFF. (The muting lamp turns OFF when sensor A2 turns OFF in correct sequence.)