SC-R+ 4路RS485集线器
编号:HB-SH-TXZHQ-485
北京盛世宏博科技有限公司
来源:盛世宏博 作者:admin
一、功能与特点
1.本产品为RS485信号4口集线器。主端口与4个从端口间,每个从端口之间均有光电隔离。
2.内部数据流方向自动侦查。
3.驱动能力强,传输距离远。主端口或每个从端口57.6Kbps速度下也能传输2Km距离。
4.波特率从110bps到115.2Kbps自适应。
5.每个端口都有防雷模块。
6.每个从端口都可选择从485总线中切除。
二、性能指标
电气标准 RS485
工作模式 异步半双工(RS485)
传输速度 110BPS~115.2KBPS
负载能力 各端口都可驱动32个485负载
传输距离 主端口或每个从端口57.6Kbps速度下可传输2Km
隔离电压 1500V/3000 V(需订做)
雷击保护 每条传输线500W
功 耗 小于2W
三、接线端口说明
从侧RS485接口有8位端子 主侧RS485接口有4位端子
1、D+ 1号端口485正向端(A) 1、D+主端口485正向端(A)
2、D- 号端口485反向端(B) 2、D-主端口485反向端(B)
3、D+ 2号端口485正向端(A) 3、电源“-“极
4、D- 2号端口485反向端(B) 4、电源“+“极
5、D+ 3号端口485正向端(A)
6、D- 3号端口485反向端(B)
7、D+ 4号端口485正向端(A)
8、D- 4号端口485反向端(B)
电源插孔 接入直流电源:5—36V(中心为正极)
注:端子与电源插孔供电方式2选1即可(内部已连接)
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