B-40
BF4 Series
Mutual Interference Prevention
Function (common)
Two fiber optic cables can be mounted very closely by
setting different transmission frequencies.
●Interference prevention function
(operation of differential frequency mode)
Self-Diagnosis Function (common)
When fiber hood is contaminated by dust, transmitted
light is lowered by element ability loss or received light is
lowered by missing of optical axis, the self-diagnosis output
will turn on.
● When detecting state remains over 300ms at unstable light
ON/OFF level, the self diagnosis output turns ON. In case
of stable light ON/OFF level, the self diagnosis output turns
OFF. (
①
position)
In case of Light ON
Stability
indicator
(green LED)
Self-diagnosis
output
Control output
indicator
(red LED)
Stable light
ON level
Unstable light
ON level
Unstable light
OFF level
Operation
level
Stable light
OFF level
Light
received
300ms
①
300ms
ON
OFF
ON
OFF
ON
OFF
H
L
①
First sensor- Frequency 1 (response time: max. 0.5ms)
Second sensor- Frequency 2 (response time: max. 0.7ms)
⑥
Set the mode setting switch to [
LOCK
].
①
Set the mode setting switch to [
SET
].
②
Press the [
ON
] + [
OFF
] buttons for
2 sec at the same time.
③
The Stability indicator [
STAB
] flashes
continuously.
④
Press the [ON] button.
⑤
The Stability indicator [
STAB
] turns off.
⑥
Set the mode setting switch to [
LOCK
].
①
Set the mode setting switch to [
SET
].
②
Press the [
ON
] + [
OFF
] buttons for
2 sec at the same time.
③
The Stability indicator [
STAB
] flashes
continuously.
④
Press the [OFF] button.
⑤
The Stability indicator [
STAB
] turns off.
Flashing
Flashing