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GN Solids America LLC

Tel:+1 (713) 320-3868

Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

Add:6710 Windfern Road, Houston, TX 77040,USA

 

GN Solids Control is a fast development manufacturer of equipment for solids control, separation and conveyance equipment. Its equipment is being used in more than 72 countries contributing to customer’s operation.

In addition to manufacturing high quality equipment, GN Solids Control also pays a lot of attention to customer service, it deems customer service as part of its commitment to its customers.

Recently one of the customers of GN Solids Control requested GN’s engineer to move its HMI to a different location, close to equipment, while the control panel remains in the power distribution center, when the engineer was providing service to that customer.

This has never been done before. It imposes a challenge to the engineer.

The communication protocol between PLC and HMI only allows 5 meters of distance. However the distance is about 30 meters in the field. Communication is not reliable, which is not allowed in a production environment.

Another challenge is time. The customer prepared to put the equipment in production in 1 to 2 days. The engineer had no time to change communication module, or the PLC program to fulfil customer requirement.

The engineer analyzed the situation, and decided to use protocol extender, which by chance the customer had one. However, another challenge popped up. The extender would not work. There was no means to test if it was a problem of the extender, or the cable, or something else.

The engineer went through a series of trouble shooting process. Eventually it is confirmed that everything was in normal condition, but the communication could not be established either. Finally, the engineer found that it was something related to protocol translation.

With a series of analysis and test, the engineer successfully established communication between the PLC and the HMI. It solved customer’s urgent request.

This is a good example of the dedication of GN Solids Control to its customers.



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