4-20mA to RS485 converters obtains software copyright

 WAYJUN 4-20mA to RS485 converters obtains software copyright,issued by the people's Republic of China.

WJ28 series:8 inputs channel Current/Voltage signal to RS485/232 Converter,with Modbus

More details:http://www.wayjun.net/index.php?main_page=product_info&cPath=3&products_id=43

WJ21 series:Analog Current signal to RS485 or RS232 Converter,Slim-line

More details:http://www.wayjun.net/index.php?main_page=product_info&cPath=3&products_id=13