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[原创] 4~20mA转无线信号变送模块

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发表于 2012-4-26 10:30:26 |显示全部楼层

4~20mA转无线信号变送模块
一、概述
DTD433FX系列无线RTU模块是经过西安达泰电子公司长期摸索,并结合用户的反馈意见开发的无线数据采集传送终端设备。
该模块采用智能控制器管理。提供4路4~20mA信号输入和4路4~20mA信号输出。可以采集工业现场的变送器输出的标准4~20mA电流信号并通过无线方式传送,远端输出2线制或3线制4~20mA电流信号,可以接入显示仪表、PLC或DCS等设备。
二、技术参数
①输入电源:24VDC;
②功率消耗:最大5W;
③外形及安装尺寸:115*74*60mm(L*W*H),PVC壳体,E型导轨卡槽安装;
④工作环境:-10~70℃/0~90%RH;
⑤无线频率 :ISM频段,无需申请频点,中心频率433MHz;
⑥配置:多种配置应用方案,可以满足用户不同的需要;
【标准Modbus通讯协议,RS232或者RS485通讯接口输出】
⑦传输安全性:高抗干扰能力和低误码率;
⑧误码率:10的负六次方;
⑨采样频率:10 ~20次/秒;
⑩无线距离;1米~3000米;
三、应用场合
①工业遥控、遥测场合
②石油钻井张力无线监测
③橡胶厂、焦化厂、压铸机厂、电力发电厂、钢铁厂、化工厂等
④安防设备无线监控
⑤城市管网压力、温度监测
⑥自动化楼宇报警

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发表于 2018-6-14 21:03:01 |显示全部楼层

Jerseys NFL China

Here are five Cheap NFL Jerseys China things to know about Detroit's loss to the Giants:
SCHWARTZ'S Cheap Jerseys FUTURE: Now that the Lions are out of contention, the focus will turn to coach Jim Schwartz Wholesale Jerseys China and his future. Schwartz is in his Cheap Jerseys From China fifth Wholesale Jerseys Store season with Detroit, which has had a winning record in only one of them 鈥?although the Lions were a mess when he took over in the immediate aftermath of an 0-16 season.
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