GE-FANUC 90-70, RS-485 to USB converter

[sranjeit]

Please suggest any RS-485 (4-wire) to USB converter that supports GE-SNP protocol with multidrop.

Regards,

Ranjit.

 

[RussB]

I take it that you did not like the suggestion I made on the other Forum? The GE IC200SET001:

 

[Steve Bailey]

B&B has several. USB and RS485 are both electrical standards and independent of the protocol that you choose to use. Since a 4-wire RS485 cable only has the transmit and receive lines, you will have to specify no handshaking when you set up the SNP master and slave devices on the network.

http://www.bb-elec.com/Products/Datasheets/USOPTL4-USPTL4_4115ds-pdf.pdf

 

[RussB]

With the B&B make sure that you verify that it will handle the GE SNP protocol as most 90-70 serial ports do not support SNP-X.