继电器一般都有能反映输入变量（如电流、电压、功率、阻抗、频率、温度、压力、速度、光等）的感应机构（输入部分）；有能对被控电路实现“通”、“断”控制的执行机构（输出部分）；在继电器的输入部分和输出部分之间，还有对输入量进行耦合隔离，功能处理和对输出部分进行驱动的中间机构（驱动部分）。 作为控制元件，概括起来，继电器有如下几种作用： （1）扩大控制范围：例如，多触点继电器控制信号达到某值时，可以按触点组的不同形式，同时换接、开断、接通多路电路。 （2）放大：例如，灵敏型继电器、中间继电器等，用一个很微小的控制量，可以控制很大功率的电路。 （3）综合信号：例如，当多个控制信号按规定的形式输入多绕组继电器时，经过比较综合，达到预定的控制效果。 （113）自动、遥控、监测：例如，自动装置上的继电器与其他电器一起，可以组成程序控制线路，从而实现自动化运行。
倍德立（厦门）科技有限公司
销售经理:张卫东 联系电话：13055237500 座机：0592-6085900 QQ:3454941352
销售经理：杨帆 联系电话：13358371730 座机：0592-6085900 QQ: 2921696645
销售经理：叶工 联系电话：15359890861 座机：0592-6087118 QQ: 2650907184
优势品牌：
Siemens（西门子）:
● 西门子S7-200CN、S7-200SMART、ET200、 S7-300 、S7-400 、6AV、6G系列备件.
● HMI 触摸屏TD200、TD400C、TP177、MP277、MP377、SMART700 、SMART1000.
● MM系列变频器、电源模块、1200模块、触摸屏、1500模块、smart模块.
● 西门子电线电缆、DP接头 、网线网卡等附件.
AB（罗克韦尔）:1734/1746/ 1747/ 1756/1762系列， 承接AB罗克韦尔全系列PLC 变频器、触摸屏、软启动、伺服等业务.
Schneider（施耐德）:PLC控制器、140处理器、输入输出模块、电源模块、变频器低压配件等。
P+F倍加福、Phoenix菲尼克斯、IFM易福门、Beckhoff倍福、富士、ABB低压 等进口品牌.
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3RK1903-0AK10
XB2BD22C
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1FK7063-2AF71-
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6GK5116-0BA00-2AB2
FX3U-ENET-L
FX5U-80MR/ES
MR-J4-500A4
豫公安备 41010502000017号