USB-PPI is a programming cable that provides audit connections and RS422 signal conversion through a USB interface.

the USB interface of the computer is simulated as a traditional serial port (commonly known as COM) to use various existing programming software, communication software, monitoring software, and other application software. 

FAQ

1. Q: How to guarantee the quallty of your products ?

A: All goods are new and orlglnal with 365 days guarantee.

2. Q: Could Heneng Trade provide Technology Support?

A: We're ln thls field many year. lf there's any problem, please contact us,we'll provlde suggestlon fromour engineer and the Manufacturer to help you solve the problem.

3 Q: What warranty does Heneng Trade Provlde ?

A: All parts we sell have 30 days return pollcy from the day of shlpment, but if Damage we are unableto replace lt.

4. Q: What shlpment Servlce Heneng Trade Provlde?

A. We Shlp vla DHL,Araemx, FEDEX, UPS, EMS express, depends on customer's requlrement.

5. Q: What ls your shlpment procedure after gettlng the payment?

A. We dispatch the goods wlthln 1 day after gettlng the payment, Alr shlpping usually take 3-5workingdays to reach there ondestlnatlon place, we wlll provlde the tracklng number to you when we dispatchgoods.