北億纖通專業(yè)研發(fā)生產(chǎn)8路串口隔離轉(zhuǎn)換器[FT-KZ3508G]產(chǎn)品,是一款工業(yè)級(jí)光纖至RS422/485交換機(jī),支持八路*隔離的RS422/485接口,一路上行RS232/422/485接口,RS422/485接口采用工業(yè)端子結(jié)構(gòu),為現(xiàn)場(chǎng)RS422/485接線提供安全,穩(wěn)定和方便,同時(shí)該產(chǎn)品采用19"標(biāo)準(zhǔn)機(jī)架式機(jī)箱,采用交流AC110-260V和DC10-30V兩種可選的外接供電方式;滿足不同行業(yè)用戶的需求。
8路串口隔離轉(zhuǎn)換器[FT-KZ3508G]產(chǎn)品內(nèi)部采用全隔離保護(hù)結(jié)構(gòu),即每路RS422/485接口都采用持續(xù)2000V光電隔離,保證每路RS422/485電口在惡劣環(huán)境下的穩(wěn)定性;同時(shí)下行每路RS422/485電口都帶有故障隔離,信號(hào)線短路保護(hù),當(dāng)下位機(jī)設(shè)備接口有故障或信號(hào)線短路時(shí)會(huì)自動(dòng)排除這一路的通信,保證其它路通信正常,保證整個(gè)RS422/485網(wǎng)絡(luò)的正常通信。
性能指標(biāo):
RS232/422/485接口:
1、 RS232速率:115200bps;
2、 RS232支持 RXD,TXD,GND 三線工作方式;
3、 RS422/485速率:115200bps;
4、 隔離電壓:瞬間隔離電壓5000V;持續(xù)隔離電壓2000V;
5、 四/八個(gè)RS422/RS485下位機(jī)接口具有短路保護(hù),有效分離RS-485/422總線;
指示燈:
RS422/485接口:
ACT:每路耦合電源指示;長(zhǎng)亮電源正常,滅表示這一路無(wú)電源;
RXD:接收信號(hào)指示燈;接收到信號(hào)閃爍,沒(méi)有接收到信號(hào)不亮。
樹(shù)形連接方式:上位機(jī)P1或P2端口與下位機(jī)P3-P11成獨(dú)立通信方式。
星形連接方式:上位機(jī)P1或P2端口與下位機(jī)P3-P11成交換通信方式。
典型應(yīng)用:
1、多點(diǎn)多設(shè)備遠(yuǎn)距離通信;
優(yōu)勢(shì):
A、全隔離,解決RS485/422總線結(jié)構(gòu)容易產(chǎn)品電位差而燒壞接口設(shè)備問(wèn)題;
B、解決長(zhǎng)距離通信問(wèn)題,而且不需要加中繼器,也不受節(jié)點(diǎn)的限制,更不會(huì)產(chǎn)生電位差燒壞接口,是多點(diǎn)多設(shè)備遠(yuǎn)距離通信的選擇。
應(yīng)用范圍:
電力系統(tǒng),交通,能源監(jiān)控等。
Important Notice
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.
The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.