SC-R+ 4路RS485集線器
編號(hào):HB-SH-TXZHQ-485
北京盛世宏博科技有限公司
來(lái)源:盛世宏博 作者:admin
一、功能與特點(diǎn)
1.本產(chǎn)品為RS485信號(hào)4口集線器。主端口與4個(gè)從端口間,每個(gè)從端口之間均有光電隔離。
2.內(nèi)部數(shù)據(jù)流方向自動(dòng)偵查。
3.驅(qū)動(dòng)能力強(qiáng),傳輸距離遠(yuǎn)。主端口或每個(gè)從端口57.6Kbps速度下也能傳輸2Km距離。
4.波特率從110bps到115.2Kbps自適應(yīng)。
5.每個(gè)端口都有防雷模塊。
6.每個(gè)從端口都可選擇從485總線中切除。
二、性能指標(biāo)
電氣標(biāo)準(zhǔn) RS485
工作模式 異步半雙工(RS485)
傳輸速度 110BPS~115.2KBPS
負(fù)載能力 各端口都可驅(qū)動(dòng)32個(gè)485負(fù)載
傳輸距離 主端口或每個(gè)從端口57.6Kbps速度下可傳輸2Km
隔離電壓 1500V/3000 V(需訂做)
雷擊保護(hù) 每條傳輸線500W
功 耗 小于2W
三、接線端口說(shuō)明
從側(cè)RS485接口有8位端子 主側(cè)RS485接口有4位端子
1、D+ 1號(hào)端口485正向端(A) 1、D+主端口485正向端(A)
2、D- 號(hào)端口485反向端(B) 2、D-主端口485反向端(B)
3、D+ 2號(hào)端口485正向端(A) 3、電源“-“極
4、D- 2號(hào)端口485反向端(B) 4、電源“+“極
5、D+ 3號(hào)端口485正向端(A)
6、D- 3號(hào)端口485反向端(B)
7、D+ 4號(hào)端口485正向端(A)
8、D- 4號(hào)端口485反向端(B)
電源插孔 接入直流電源:5—36V(中心為正極)
注:端子與電源插孔供電方式2選1即可(內(nèi)部已連接)
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