How can we help?

Home » Support » Fonrich Community » Fonrich Community » Combiner Box Monitoring » "A, B" terminal connection method

"A, B" terminal connection method

(1) Connect the 485 twisted pair communication cable to the "A, B" terminal of the host module;  

(2) Connect the communication shielding lines between the combiner boxes in series and ground them at the communication management machine;

(3) Be sure to tighten the "A, B" terminals when wiring;

(4) The connection method of the communication line is as shown below:

1642746950(1)

Note: Common problems are: “A, B” terminals are not tightened, communication lines are reversed, shielded lines are not grounded, shielded lines are not connected in series, etc.;
          If the communication line is not connected properly, it will cause the host module, communication failure, poor communication, and flash screen.


Distributor

Products

Support

Fonrich

Copyright  2021 Fonrich (Shanghai) New Energy Technology Co., Ltd. All rights reserved. 
Sitemap    Support By Fonrich.