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19
July. 2019
th
OPTICAL DATA TRANSMISSION
DEVICE
For Ethernet
EWF-0EA/B-N
(Master/Normal/Slave mode)
SPECIFICATION
FA-8271
×１
Oka
４
Supported network
30
Aug. 2019
th
Pages
Date
Amended reason
Corrector
Amended No.
Symbol
Optical Data Transmission Device for
Approved by Checked by
Drawn by Designed by
T i t l e
Ethernet EWF-0EA/B-N Specification
Oka
Tamaki
Drawing
1／9
C-42-04433
No.
HOKUYO AUTOMATIC CO., LTD.
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Summary of Contents for HOKUYO AUTOMATIC EWF-0EA-N
- Page 1 Supported network Aug. 2019 Pages Date Amended reason Corrector Amended No. Symbol Optical Data Transmission Device for Approved by Checked by Drawn by Designed by T i t l e Ethernet EWF-0EA/B-N Specification Tamaki Drawing 1／9 C-42-04433 HOKUYO AUTOMATIC CO., LTD.
- Page 2 Communication distance up to 50m, converts to optical wireless communication and possible to communicate between moving devices. Be sure to use A type and B type as a pair. DC24V Red light EWF-0EA-N EWF-0EB-N DC24V 2. Structure Laser drive...
- Page 3 3. Specification Model EWF-0EA-N EWF-0EB-N Transmission distance 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 IEEE802.3u 100BASE-TX With Auto-Negotiation function Communication standard...
- Page 4 ・Supported network EtherCAT® is a patent technology and registered trademark licensed by Beckhoff Automation GmbH, Germany. 4. Connection RJ-45 communication connector Mode switch TM11R-5M2-88-LP (Hirose product) (Refer to section 6. operation mode) Connector for level voltage output Main body side power connector S2B-PH-K-S (JST product) 37204-1BE0-004(3M) FG Terminal (M3 screw)
- Page 5 Pin No. Signal LEVEL *Connection connector PHR-2 and connection cable are not included. If necessary, please contact us separately. J-45 8pin modular jack LAN connector (8P): R Pin No. MDI Signal Signal Function TD + Transmission Data (+) TD - Transmission Data (-) RD + Reception Data (+)
- Page 6 Status lamp (S) led up during normal circuit operation. Also, communication is possible when both status lamp and CD lamp led up. Also, in this device, the light emission power is constantly monitored inside the device. In the case, when the light emission power is other than allowable level, the indicator lights C, L1 and L2 blinks.
- Page 7 mode. During power supply, mode is set according to switch state. Mode switching position （S） Normal mode （N） Slave mode Master mode （M） The possible data communication combinations are as follows A Type or B Type or Communication During light During light B Type A Type...
- Page 8 Master mode ・Usually light projecting. ・When not receiving the light LAN link Master mode is usually OFF. Light projecting Light receiving? Disconnects LAN Link Slave mode ・Emits when light receiving and LAN link is ON. ・When not receiving the light LAN link is usually OFF.
- Page 9 7．Optical axis adjustment Change EWF operation mode to normal mode or master mode of both A and B. Make sure that each level output voltage of A and B can be checked with a tester. Swing sidewise 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 near EWF, the level output voltage cannot be measured properly due to the reflected light.
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