2018-03-30, 05:12 PM
(2018-02-07, 09:18 AM)shipahoy Wrote: The ST50 is probably so old that it uses NMEA 0183 version 1. This is not RS422 but RS232.
You should try with a USB-RS232 converter (preferebly isolated). Remember to set the baudrate to 4800 baud.
(2018-02-07, 09:16 AM)marko_st Wrote: - on transmiter side is ST50 which have TTL(UART) output
That mean you need UART to USB converter between this two parts.
I am quite sure that this would destroy the UART to USB converter because it only handles 0 to 3.3 or 5 V, and this output is probably ±12 V.
For RS232, shipaoy you are sure right !
I could eventually read the ST50 NMEA sentences on the inspector windows, using a real RS232 to USB adapter !
(and not an RS232 "TTL" !) .
Regarding the version, actually (i.e. since 2008) NMEA is in version 4.x My GP32 Furuno is using version 2, with RS232 (2006) !
The problem with NMEA is that they seem so money minded that they try to sell any bit of information, beurk, pouah ! I lost 2 months ! It sucks !
****************************************** Lets support actively signal K !!! **************************************************
By the way, the same RS232 adapter works fine with my GP32 !
That point is solved, makes me feel much better !
Cordialement
Didier B
Pi4, SSD USB3, OP 3.0 Touch SK 3.2.1 OpenCPN 5.8.4 : Thank you Thank you Thank you
Didier B
Pi4, SSD USB3, OP 3.0 Touch SK 3.2.1 OpenCPN 5.8.4 : Thank you Thank you Thank you