Installation Mode
Troubleshooting
Malfunction Cause Troubleshooting
Specications
Model BW20-□(P) BW40-□(P)
Sensing method
Light source
Sensing distance
Sensing target
Min. sensing target
Number of
optical axes
Response time
Operation mode
Functions
Interference
protection
Synchronization type
Indicator
Approval
Weight (packaged)
Power supply
Current consumption
Control output
Protection circuit
Insulation
resistance
Noise immunity
Dielectric strength
Vibration
Shock
Ambient illumi.
(receiver)
Ambient temp.
Ambient humi.
Protection rating
Cable spec.
Connector spec.
Material
Functions
■ Interference protection
MASTER
+
SLAVE
OUT
OUT
MASTER
+
SLAVE
OUT
OUT
■ Emitter OFF (external diagnosis)
R
Blue (0 V)
Black (TEST)
3
Emitter
CIRCUIT
OFF
OFF
T1 T1
T2
T2
Normal Abnormal
■ Optical axis misalignment alarm (low light intensity alarm)
■ Self-Diagnosis