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Optical Data Transmission DeviceSerial type

Transmission distance 80m, Small size and Light weight



-> This is an optical data transmission device.
-> This is suitable for the application such as automatic warehouse, stacker crane or overhead crane.
-> Transmission distance is up to 80m and it is easy to adjust optical axis.


Model No. CWF-11A CWF-11B CWF-12A CWF-12B
Transmission distance 80m
Directional angle ±2°
Power source 12 to 24VDC(Allowable operating voltage 10 to 30VDC)
Current consumption 160mA
Transmission method Full-duplex two-way transmission
Transmission speed DC to 19,200bps DC to 9,600bps
Interface RS-422 RS-232C
Modulation method FSK modulation
Modulated frequency Transmission:5.5MHz Transmission:6.0MHz Transmission:5.5MHz Transmission:6.0MHz
Reception:6.0MHz Reception:5.5MHz Reception:6.0MHz Reception:5.5MHz
Connection D-sub connector with 9-pin
Ambient temperature/humidity -10 to +50 degrees C, 85%RH or less(not icing)
Ambient illuminance 20,000lux or less(Halogen/incandescent lamp)
Impact resistance 490m/s2, each 10 time in X, Y and Z directions
Vibration resistance Double amplitude 1.5mm, 10 to 55Hz, each 2 hour in X, Y and Z directions
Noise resistance Impulse noise simulator, pulse width:1µ, 100ns, repeated cycle:100Hz, normal mode 1000V, common mode 500V
Protective structure IP60(IEC standard)
Warning output(ARM) ON when light-receiving level margin 1.5 times or more, Photo-coupler, open-collector 35V, 50mA
Weight Approx. 240g

External dimension

External dimension

External dimension

I/O Circuit






Interface Pin No. Symbols Functions
RS-422 1 +RXD Reception data
2 -RXD
3 +TXD Transmission data
4 -TXD
- 5 SG Ground for signal
Power source 6 +VIN DC power(24VDC)
7 -VIN(0V)
Warning 8 ARM Warning output (ARM)

Interface Pin No. Symbols Functions
RS-232C 1 CD Reception data(Carrier detect)
2 RXD Reception data
3 TXD Transmission data
4 NC Non-connection
- 5 SG Ground for signal
Power source 6 +VIN DC power(24VDC)
7 -VIN(0V)
Warning 8 ARM Warning output (ARM)


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