Important notification to customers using Multi-Converter for FANUC (model: PFXLM4B01DAKFF)

Posted: Apr. 4, 2019

Thank you very much for your continuous use of Pro-face products.
We have confirmed a symptom of improper communication on Multi-Converter for FANUC (model: PFXLM4B01DAKFF).
The symptom and corrective measures for this problem are indicated below.
We sincerely apologize for any inconvenience this may cause you.

Symptom Descriptions

When multiple Multi-Converter for FANUC models (model: PFXLM4B01DAKFF) are installed on the same network, proper communication might not be made.

Products and Versions Affected

Target: Use with the product below

Multi-Converter for FANUC model:
Target Product:Multi-Converter for FANUC
Project Version:Ver. 3 or earlier


A part of software for the Multi-Converter for FANUC model caused this.


Update to the latest Multi-Converter for FANUC update module following the procedures below and transfer it to the Multi-Converter to avoid the symptom above.

Update Procedures

  1. Download the Ver.4 Multi-Converter for FANUC update module.
    Download page *1
  2. Referring to the page 40, [ 8.9 Transfer] of “Multi-Converter for FANUC CNC Guide” (Manual_mdb_fanuc_technical_guide_en.pdf), install it.
  3. Make sure that the Project Version is “4” referring to the page 33, [8.3 General] of “Multi-Converter for FANUC CNC Guide” (Page 29, on Web Browser).
     Make sure that the Project Version is “4”

*1 Membership registration (free of charge) is required.


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