Products Detail


Optical Data Transmission DeviceOpen Network (Serial)

Direct connection to CC-Link



-> This device is a serial type optical data transmission device which is able to connect to CC-Link directly.
-> Max. 112 points and 15 words can be transmitted and max. 42 pcs can be connected to 1 master unit.


Model No. BWF-17A/17B BWF-27A/27B
Power source/current consumption 24VDC(18 to 30VDC), 100mA or less(when 24VDC)
Optical communication part Transmission distance 100m 200m
Directional angle ±2° ±1°
Transmission method Full-duplex two-way transmission
Transmission speed 19,200bps
Modulation method FSK modulation
Modulated frequency A type(Transmission : 5.5MHz, reception : 6.0MHz)
B type(Transmission : 6.0MHz, reception : 5.5MHz)
CC-Link part Communication speed 10Mbps/5Mbps/2.5Mbps/625kbps/156kbps(Changeover by switch)
Communication system Polling system
Synchronous system Frame synchronous system
Transmission path RS-485bus
Transmission format HDLC conformity
Remote station Nos. 1 to 64
Connecting cable CC-Link exclusive cable
Max. extending cable Speed(bps): 10Mbps, 5Mbps, 2.5Mbps, 625kbps, 156kbps
Max. extending cable: 100m, 150m, 200m, 600m, 1,200m
Terminator* 110Ω(Connected between DA and DB of both ends unit)
Changeover by switch
Connecting system Connector type(terminal for DC power and FG)
Ambient illuminance 20,000 lx(Halogen and mercury lamp)
*In case of using the cable with impedance, 130Ω, make sure to be off for terminator switch on BWF and connect terminator with 13 0Ω between DA and DB.

External dimension

External dimension

External dimension

I/O Circuit


Connector for CC-Link unit
1 FG
3 DG
4 DB
5 DA
Note) Don't make a wiring with main circuit, high voltage cable or load cable because of noise or surge induction.


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Download List

Category File name File size Date modified Download
Instruction Manual_BWF-17_27