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T i t l e  

Drawing 

No. 

Optical Data Transmission Device for Ethernet 

EWF-0EA/B-N Specification 

C-42-04433 

3

 

 

3. Specification 

 

Model   

EWF-0EA-N 

EWF-0EB-N 

Transmission distance 

50m 

Directional angle 

Full angle 1.4° 

Power supply 

DC24V (±10%) 

Current consumption 

120mA(DC24V) 

Transmission method 

Full-duplex two-way transmission 

Transmission speed 

100Mbps 

Laser safety     

Class 1 

Interface 

Ethernet 

Communication standard  IEEE802.3u    100BASE-TX    With Auto-Negotiation function 

Modulation method 

Direct modulation 

Connection 

Mini clamp connector (Power/CD signal), Modular jack RJ-45 (Ethernet) 

Ambient temperature/ 

humidity 

-10°C to +50°C 

 

85%RH or less (without dew, frost) 

Ambient illuminance 

10000lux or less (Halogen/mercury lamp) 

Impact resistance 

490m/s

2

    X, Y and Z directions each 10 times 

Vibration resistance 

10 to 55Hz double amplitude of 1.5mm for 2 hours in each X, Y and Z direction 

Protective structure 

IP40 

Reception output(CD) 

Photo-coupler open collector (pressure resistant 36V), 

 

ON during light reception (Max.50mA, residual voltage 1.5V)   

Level voltage output 

(Analog output) 

Approx.0 to 3V, connector S2B-PH-K-S (JST) 

 

Connection connector PHR - 2

*

 

Use during optical axis adjustment only. 
External wiring is not possible. 

* Cables for connection are not included. Please inquiry separately if needed. 
 
 

About the laser safety 

 

EWF-0EA/B-N laser safety standard is class 1. 
Wavelength 

    658 nm (red) 

Standard                  IEC60825-1 2007 & 2014 

 

             

Class 1 Laser Product 

Do not look directly into the laser beam.

 

 

Caution 

Summary of Contents for EWF-0EA-N

Page 1: ...ended reason Pages Date Corrector Amended No Optical Data Transmission Device for Ethernet EWF 0EA B N Specification C 42 04433 1 9 30th Aug 2019 FA 8271 Supported network Tamaki 19th July 2019 OPTICA...

Page 2: ...hernet line between network cameras and host slave for the communication Communication distance up to 50m converts to optical wireless communication and possible to communicate between moving devices...

Page 3: ...ithout dew frost Ambient illuminance 10000lux or less Halogen mercury lamp Impact resistance 490m s2 X Y and Z directions each 10 times Vibration resistance 10 to 55Hz double amplitude of 1 5mm for 2...

Page 4: ...cuit 1 COM 2 CD 3 VIN 0V Power supply input 4 VIN DC24V Connector pin assignment for level voltage output Model No AWG No Nominal cross section Finished dimension 37104 2206 000FL AWG 20 to 22 0 3 to...

Page 5: ...Signal Signal Function 1 TD Transmission Data 2 TD Transmission Data 3 RD Reception Data 4 Not Used 5 Not Used 6 RD Reception Data 7 Not Used 8 Not Used P S L2 L1 C R Socket view View from the mattin...

Page 6: ...ht emission power is other than allowable level the indicator lights C L1 and L2 blinks Stops the emission and will be in error mode During error mode check if the device returns to normal operation b...

Page 7: ...n OFF of Slave only Slave mode Slave mode Not possible Both link does not connects Does not emits on both side Do not use other operation mode combination than above It may be the reason of data commu...

Page 8: ...eiving Disconnects LAN Link YES NO Slave mode Light receiving Disconnects LAN Link YES NO Light projecting Connected LAN link YES NO Stop emitting Slave mode Emits when light receiving and LAN link is...

Page 9: ...A to adjust so that the level output voltage of B becomes maximum Swing sidewise B to adjust so that the level output voltage of A becomes maximum If a reflector is installed on the optical axis or ne...

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