品牌:Honeywell
起订:1件
供应:100件
发货:3天内
信息标签:Honeywell 51401163-100,提供服务,电子、电工,工控系统及装备
Honeywell 51401163-100
HT346型大功率电磁开关是一种具有多使用功能的开关,能承受250V×20A的交流功率和28V×30A的直流功率。它可根据不同的用途,将不同的零件用不同的连接方式连接起来,产生不同的功能。其原理图如图1和图2所示。
图1中,KS1和KS2为线圈电压为直流24V的继电器,C1和C2为47μF/50V电容,C3、C4为10μF/16V电容,R3、R4为0.75kΩ/1W电阻,D1、D2为1N4007二极管,R1为0.1kΩ/0.5W电阻,R2为470kΩ/2W电阻,DW1和DW2为24V/0.5W。BG1为NPN大功率塑封管,耐压在40V以上,BG2为PNP大功率塑封管,耐压在40V以上。Cx为1.5μF/110V或0.68μF/220V或0.33μF/380V。AN3、AN4、AN5可用常闭按钮。
HT346型大功率电磁开关可用作两路独立开关、两路点动开关、单相电机正反转控制开关和不同电源电压开关。
两路独立开关 它有KS1和KS2两个回路。KS1回路由D1、KS1、C1、C3、AN1、R3、A3和短接的XK1等元件组成。按下AN1,继电器KS1吸合并保持;按下A3,KS1释放。KS2回路由D2、KS2、C2、C4、AN2、R4、AN4和短按的XK1等元件组成。按下AN2,继电器KS2吸合并保持;按下AN4,KS2释放。
KS1输出回路是从Y到KS1常开触点再到X1。KS2输出回路是从Y到KS2常开触点再到X2。
R1、R2和Cx是KS1和KS2两回路的共用元件。
两路点动开关 KS1回路由D1、C1、DW1、BG1、KS1、AN1和短接的XK1等元件组成。按住AN1,KS1吸合;放开AN1,KS1释放。KS2回路由D2、C2、DW2、BG2、KS2、AN2和短接的XK2等元件组成。按住AN2,KS2吸合;放开AN2,KS2释放。
KS1输出回路是从Y到KS1常开触点再到X1。KS2输出回路是从Y到KS2常开触点再到X2。
R1、R2和Cx是KS1和KS2两回路的共用元件。
单相电机正反转控制开关HT346型电磁开关可用作有限位功能的单相电机控制开关、无限位功能的单相电机控制开关和单相电机点动控制开关。
用作有限位功能的单相电机控制开关时,KS1回路由D1、C1、DW1、BG1、C3、KS1、R3、AN1、XK1组成。KS2回路由D2、C2、DW2、BG2、C4、KS2、R4、AN2、XK2组成。按AN1,KS1吸合并保持;按AN5,KS1释放。按AN2,KS2吸合并保持;按AN5,KS1释放。
KS1输出回路是从X到KS2常闭触点,到KS1常开触点,再到X1。KS2输出回路是从X到KS1常闭触点,到KS2常开触点,再到X2。同时按AN1、AN2,KS1、KS2同时吸合,KS1、KS2输出回路的常闭触点同时断开,X1、X2无输出。
R1、R2、Cx、AN5为KS1、KS2回路共用元件。XK1、XK2为KS1、KS2回路限位开关。
用作无限位功能的单相电机控制开关时,KS1回路由D1、C1、KS1、C3、R3、AN1、短接的XK1组成。KS2回路由D2、C2、KS2、C4、R4、AN2、短接的XK2组成。按AN1,KS1吸合并保持;按AN5,KS1释放。按AN2,KS2吸合并保持;按AN5,KS2释放。
KS1输出回路是从X到KS2常闭触点,到KS1常开触点,再到X1。KS2输出回路是从X到KS1常闭触点,到KS2常开触点,再到X2。同时按AN1、AN2,KS1、KS2同时吸合,KS1、KS2输出回路的常闭触点同时断开,X1、X2无输出。
R1、R2、Cx、AN5为KS1、KS2回路共用元件。用作单相电机点动控制开关时,KS1回路由D1、C1、DW1、BG1、KS1、AN1、短接的XK1组成。KS2回路由D2、C2、DW2、BG2、KS2、AN2、短接的XK2组成。按住AN1,KS1吸合,放开AN1,KS1释放。按住AN2,KS2吸合,放开AN2,KS2释放。
KS1输出回路是从X到KS2常闭触点,到KS1常开触点,再到X1。KS2输出回路是从X到KS1常闭触点,到KS2常开触点,再到X1。同时按住AN1、AN2,KS1、KS2同时吸合,KS1、KS2的常闭触点全部断开,X1、X2无输出。
不同电源电压开关HT364型电磁开关用于50Hz交流电源时,KS1和KS2回路元件不改动,只需改动Cx的值即可,如KS要用4115继电器,其线圈电压为24V,而Cx应选用1.5μF/110V、0.68μF/220V、0.33μF/380V。
HT346型电磁开关用于直流电源时,KS1和KS2及其回路元件应随直流电源电压的不同而作相应的改动。如直流电源为12V,KS1和KS2应选用线圈电压为12V的4115继电器,R3、R4应选用0.18kΩ/1W的电阻。AN3、AN4和AN5应改用常闭按钮,AN3、AN4应改接在与XK1和XK2串联的位置。AN5应改接在电源输入端,并与电源串联。限流整流元件不用。
调试时,用220V隔离电源。只要元件正确,一般无须调整。根据图中所标元件数据,AN5两端电压为AC30V,AN3、AN4两端电压为DC30V,KS1,KS2两端电压为DC12V。该开关输出电流根据KS型号不同而不同。当电源电压为220V50Hz,Cx取0.68μF时,电路正常工作,功耗1.1W。
TC783A为三相相序和缺相检测电路,可用作检测三相正弦波电压的相序和缺相状态,同时有保护功能,具有单电源,功耗小,功能强,输入阻抗高,采样方便,外接元件少等优点。使用在控制板上,对三相电压进行指示;也可在电机上使用,对电机的正反转进行控制和缺相进行保护。
一. TC783A电路具备以下特点 :
单电源工作,电源电压9-15V。
对输入正弦波电压设计为施密特检测,有效去除干扰。
动态检测三相的存在,分别对三相输出指示。
正反序输出指示。
有过压保护的设计,外电压和内基准比较,有锁定和不锁定两种输出。
二、电路框图与工作原理
三相电压信号A、B、C经分压电阻网络分别进入电路1、2、3脚,通过对正弦波进行施密特检测了解信号的存在并送入缺相检测电路检测后输出指示,电路13脚为内部脉冲发生电路的外接电容约为0.1-0.15μ。三相正弦输入正常时,对应A、B、C输入1、2、3脚的输出端12、11、10脚输出为低电平;当某一相没有输入信号时,对应的输出脚上将有高电平。根据缺相检测的结果,在不缺相的情况下相序指示电路将输出相序,在三相电压信号A、B、C进入电路1、2、3脚的状态下,9脚输出高电平指示正序;而在三相电压信号A、C、B进入电路1、2、3脚的状态下,8脚输出高电平指示反序。在缺相状态下,9脚8脚皆输出低电平。
电路另外还设计了保护电路,可对过流、过压信号进行检测和输出。5脚为采样输入端,输入信号与电路内的6V基准比较,并在电路6脚输出。如果采样高于6V,输出高电平。4脚对输出方式将有两种控制选择:4脚接低电平,输出为不锁定输出,即输入高输出高,输入低输出低;4脚接高电平,输出为锁定输出,这时输入高输出高,而输入低后输出仍高,需要4脚接地复位才能输出低。用户进行选择。
三.管脚图与管脚功能:
脚号 |
符号 |
功 能 |
脚号 |
符号 |
功 能 |
1 |
A |
A相电压输入 |
8 |
FX |
反序输出 |
2 |
B |
B相电压输入 |
9 |
ZX |
正序输出 |
3 |
C |
C相电压输入 |
10 |
QC |
缺C输出 |
4 |
RE |
锁定/不锁选择 |
11 |
QB |
缺B输出 |
5 |
CV |
电压采样 |
12 |
QA |
缺A输出 |
6 |
VO |
输出 |
13 |
CX |
脉冲发生电容 |
7 |
GND |
地 |
14 |
VCC |
电源 |
四、电路参数和**工作条件:
主要电路参数 |
**工作条件 |
||||||
IDD |
静态电流 |
<2-4 |
mA |
Vcc |
电源电压 |
8—15 |
V |
VAIN |
同步零电压 |
1/2Vcc |
V |
Va |
电压输入Vp-p |
0-Vcc |
V |
IIN |
输入电流 |
<0.3 |
μA |
Pi,Vr |
控制输入电压 |
0-Vcc |
V |
Ioh |
输出驱动电流 |
15 |
mA |
F |
工作频率 |
50 |
HZ |
Ptop |
**功耗 |
200 |
mw |
T |
**工作温度 |
-25-85 |
℃ |
五、应用例图
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