Search found 4 matches

by Dennis2004
Thu Dec 11, 2014 10:10 am
Forum: Other PLC
Topic: [?]: Configuration serial cable Wago 750-841.
Replies: 4
Views: 5177

Re: [?]: Configuration serial cable Wago 750-841.

Anyway you need to convert RS232 voltage levels to TTL. You can adopt any known schematics, e.g.https://www.sparkfun.com/tutorials/215 (secon one) https://remote-lab.net/serial-console-cable-for-your-linux-router/ http://www.uchobby.com/index.php/2007/06/11/ttl-to-rs232-adaptor-explained/ Or use USB...
by Dennis2004
Thu Dec 11, 2014 10:00 am
Forum: Simatic (Russian)
Topic: Счетчик СЭТ-4ТМ
Replies: 11
Views: 10005

Re: Счетчик СЭТ-4ТМ

По поводу serial-ethernet в данном случае лучше смотреть "Преобразователи RS485 в Ethernet" http://www.insat.ru/products/?category=950. В отличии от шлюза modbusTCP-modbusRTU их можно применить для modbus-подобного протокола. У MOXA NPort есть упрощенный режим работы: входящая UDP датаграмма напряму...
by Dennis2004
Thu Dec 11, 2014 9:14 am
Forum: Other PLC
Topic: [?]: WAGO 750-920 Communications Cable pinout/signal levels
Replies: 5
Views: 7033

Re: [?]: WAGO 750-920 Communications Cable pinout/signal lev

Found another pinout in my old notes:

TOP
--TxD
--RxD
--+5VDC
--GND
BOTTOM

Signal levels are TTL (0VDC/5VDC).
by Dennis2004
Wed Jul 20, 2011 10:07 am
Forum: Other PLC
Topic: [REQUEST]: NodeBuilder® FX Development Tool
Replies: 0
Views: 1209

[REQUEST]: NodeBuilder® FX Development Tool

Hello!
Need NodeBuilderFX software.
Can anybody share distro?
http://www.echelon.com/products/develop ... efault.htm