Ask our team:
  • Phone: +86 181 0690 9650
  • E-Mail sales1@apterpower.com
How We Verify Your Order
Before dispatch, we confirm the exact model, revision, condition, inspection requirements and shipping documents for your order.
See a real on-site verification case >>
  • Lifecycle status

    Active / Available from OEM
    Apter Power provides quotations, technical documents, sourcing support, and system configuration guidance.

EWF-11A-D

/ 4.9
1001 reviews | Need a Specific Revision?
HOKUYO EWF-11A-D is an RS-422 optical data-transmission unit for full-duplex serial communication across distances up to 100 m.
In Stock
Ships by Saturday, November 14
Fast Shipping Available
Get a quick price for EWF-11A-D
Quantity
*E-mail
Company
*Mobile
*Content
Upload (gif, jpg, jpeg, png, bmp, doc, docx, xls, xlsx, ppt, pdf, csv)

Technical specifications for EWF-11A-D

  • Manufacturer:
    HOKUYO
  • Part Number:
    EWF-11A-D
  • Product Family:
    HOKUYO
  • Product Type:
    RS-422 Optical Data Transmission Unit
  • Stock:
    1
  • Communication interface:
    RS-422
  • Transmission method:
    Full-duplex optical data transmission
  • Transmission distance:
    Up to 100 m
  • Transmission speed:
    DC to 19.2 kbps
  • Transmit frequency:
    5.5 MHz
  • Receive frequency:
    6.0 MHz
  • Supply voltage:
    24 VDC ±10%
  • Connector:
    D-sub 25-pin
  • Operating temperature:
    -10 to +50°C
  • Protection class:
    IP40
  • Weight:
    0.15 kg
  • Estimated shipping dimensions:
    10x7.6x4cm
  • Tariff Code:
    Please confirm the destination before shipping
  • Country of origin:
    Japan
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Communication & Connectivity Diagnostics Operating Environment Applications

Features:

  • Full-duplex optical link: Transfers transmit and receive data simultaneously without a copper communication cable.
  • 100 m operating range: Supports defined serial communication across moving or separated equipment.
  • Industrial serial interface: Connects through RS-422 and a D-sub 25-pin port.
The optical path and the wired RS-422 interface must both be correct for a working link.

Separate carrier frequencies allow simultaneous transmit and receive operation between the paired units.

Commissioning should include real data in both directions under the intended motion and lighting conditions.

Apter Power supports HOKUYO EWF-11A-D quotations, technical documents, and optical-link application review.
HOKUYO EWF-11A-D RS-422 Optical Data Transmission Unit Manuals,Datasheets,Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • RS-422 interface: Confirm differential pair assignments, signal reference, and D-sub pinout.
  • Full-duplex path: Test both transmit and receive directions independently.
  • Serial settings: Set both endpoints to the same baud rate, data format, and host timing.
  • Cable control: Use suitable shield, grounding, and strain relief on the electrical side.
  • Power check: Measure 24 VDC at the unit while the link is operating.
  • Optical path: Remove obstructions and confirm the paired units face the correct direction.
  • Window condition: Clean contamination with a compatible method that does not scratch the cover.
  • Fault isolation: Separate host wiring, optical alignment, and remote-unit checks before replacing hardware.
  • Temperature: Keep operation within -10 to +50°C.
  • Humidity: Avoid condensation while remaining at or below 85% RH.
  • Ingress protection: Install the IP40 housing inside an appropriate protected environment.
  • Vibration and shock: Mount securely within the documented mechanical limits.
  • Moving-machine communication: Transfers serial data where a trailing communication cable is undesirable.
  • Overhead handling: Links fixed and travelling equipment across a clear optical path.
  • Rotating or indexed stations: Carries RS-422 data between aligned positions under controlled geometry.
  • Legacy optical links: Maintains an installed EWF-11A serial communication arrangement.
Description
Creating a cable-free serial link between aligned stations, EWF-11A-D belongs to HOKUYO’s EWF-11A optical data-transmission design. It carries RS-422 data in full duplex across a specified transmission distance of up to 100 m.

The two optical channels in EWF-11A-D use separate 5.5 MHz transmit and 6.0 MHz receive frequencies, with communication supported from DC through 19.2 kbps. Alignment, clean optical windows, stable 24 VDC power, D-sub wiring, and the paired-unit orientation all influence link performance.

For commissioning, EWF-11A-D should be proved with the actual host ports and a complete transmit-and-receive data test, not only by observing power indication. Apter Power can support quotations, HOKUYO documentation, cabling review, and optical-link planning.
Alternative Names
EWF-11A-D EWF11A-D EWF 11A D HOKUYO EWF-11A-D EWF-11A EWF11A Hokuyo EWF-11A EWF-11 Optical Data Transmission
Technical notes
For EWF-11A-D, verify the 24 VDC supply, D-sub 25-pin RS-422 wiring, full-duplex host settings, paired optical orientation, line-of-sight distance, and window cleanliness. Keep the unit inside the documented temperature, humidity, vibration, shock, and IP40 boundaries. Commission both data directions at the intended baud rate.
Exceptional Service

Our Mission

  • 100% Satisfaction

    We believe expertise is priceless. With over 20 years of experience, and top engineers on staff, we can help you solve or avoid problems that threaten your business.
  • Trust Guaranteed

    Not only do we have a vast inventory, our team makes sure every piece of equipment is in working condition. Your purchases are also backed by our Warranty.
  • Expertise

    Time is money, especially when your equipment is down. We work quickly to get your equipment on its way so you can get it back up and running.

FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Which electrical interface does EWF-11A-D use?
It uses RS-422 through the documented D-sub 25-pin connection.
How far can EWF-11A-D transmit data?
HOKUYO specifies an optical transmission distance of up to 100 m when installation and alignment conditions are satisfied.
Which communication speed is supported by EWF-11A-D?
The documented range extends from DC through 19.2 kbps for full-duplex serial data.
What power supply is required for EWF-11A-D?
Use a stable 24 VDC supply within ±10% and verify polarity, voltage at the unit, and current capacity.
What should be checked when EWF-11A-D loses communication?
Inspect supply voltage, D-sub wiring, host RS-422 settings, optical alignment, window contamination, range, obstructions, and the paired unit.
Which environmental limits apply to EWF-11A-D?
The official page gives -10 to +50°C, up to 85% RH without condensation, and an IP40 enclosure rating.