Door Position Switches (DPS) For Access Tutorial

Door ******** ****** ******** ********

*** ****** *******, '**** position ********', **** ****** 'DPS', '**** ********', ** 'door *******', ****** ******* a **** ** ****** or ******.

********* *** ****** ******* system ********** ** **** interface ****** ** ***** this ****** ** *********. The ****** ** ******* is ******: **** * door ** ****, *** circuit ** ********. *******, when *** **** *****, the ******* ****** ****, signaling ** *** ****** system *** **** ** not ******. ***** ***** cannot ** ****** ** 'secured' **** ******, **** sensor ********* ***** * facility ** **** **********.

Security *********, *** ***** *******

****** ******* ******* *** blind ** ******* * door ** **** ** shut ******* ******** ********. Because **** ***** ****** limit ******** ** ******* unauthorized ****** **** ******** an ****, *** ** the ******* *** *** system '*****' ******* ** not * **** ** secure.

**** ********** ** *** install *** ** ***** to '**** *****' ** otherwise ******** *** ********, but **** ******** ** a ******** *******. ******* DPS, ****** ******* ****** be ******** '**********' ** all, *** ********** *** should ** * ********* aspect ** ***** *******.

Broad *********

******* **** ******** ******** are **** ** * variety ** *******, ***** are ********* ** ******* available. ***** ***** *********, there *** **** ** six ***** ***** **** in ********** ******:

**** ************* *** '********' ****** types ** ***** ********* and ******** **** ********* sporadic ***** ****** *** system ******* **** *****. Like ***** ****** **********, choosing *** ***** **** position ****** ******* ************* on *** **** - which **** ** **** it **, *** ***** it ** ****, *** even ***** ********* ** faces. ** ******* ***** factors ** ****** *****.

The ******* *******

***** ** *****, ****** selection ** ********* ***** on ***********, **** **** are ********* ** ***. Some ***** ** *** switches *** **** ********* to ******* **** ****** depending ** *** **** itself.

*** *******, ** * door ***** ** ********* into * ***** ******** or ******* ****, ******** enough ********* *** ******* wire ** * "*******" frame ***** **** ** difficult. *******, * "********" door-mounted **** ****** ** field ********* **** **** glass ** ********* *****.

****** ***** ***** ***** may *** ****** ** drilled ** *** "********" types, ****** *********** **** doors:

Mounting ********

*** **** ****** ** consider ** ***** *** sensor ****** ** *********. There *** * ****** of ******** ********* ** choose ****, ***** ** the ***** *****:

*** **** ** ******* once ***** ********** **** location. ***** **** *** physical **** ** ****, how ** ** **** and ***** *** ******* play * *** ****, including:

• ********/********:**** **** ** ************* conditions ** *** ****** exposed **? ** ***-*********** office, ** ** ******* exposed ** ******* *******?
• ****/***/****:** *** ******* ** thresholds ****** *** **** fail, **** *** ****** be ******* ** ********, mud, ** *****?
• ******* *******:*** ***** ** *** door ******? **** *** shift, ** * ******* times *** ****?

****** * ****** ** the **** *** ********* how ** ** **** help ****** *** **** sensor ****, ********** **** we ***** ** *** sections *****:

****etic '******' *****

**** **** ** ****** is *** **** ******, usually ********* *** ***** piece ** ** ********* into *** *****, *** the ***** '******' ***** being ********* **** * drilled **** ** *** door.

** **** *****, **** type ** ****** ** hung ** *** '*****' side *** ** ******** during ************ ** *********/********* is *********.

• ****: ****** '******' ******* are ********* *** ************* accepted ** **** **********. Installation ** ****, ********* a ******* ** ******** and **** *** **********.
• ****: **** ***** ** alignment ******. *** ********* range *** ** **** precise, **** ******* ******* to ** ********* *********** adjacent ** **** *****. Vulnerable ** ***** ******, especially ** ***** *** buffeted ** **** ** vibrations.

Plunger *****

* **********, *** ********, style ** ******. **** the **** ** ****, the **** ******* * button, ********** *** *******. When *** **** *****, the ****** ** ********, signaling ** ****. ******* plungers *** **********, **** are *** ******* ** false ****** ****** ** wind ** *********. ********* plunger ***** *** ********* on *** ***** ****.

• ****: **** *******, ******* lasting ******** ** ******. A '***-*****' ****** **** avoids ********* ******.
• ****: ***** ** ******** because ** ****/*****. **** to ****** ** ****** with * **** ** screwdriver ****** ********* ** frame *** **** *********.

Surface ***** *****

**** ** ******* ** most ***** ** *****: wood, ******** ******, *** hollow-core *****. ********* ******** are ******** ********* **** a ****** ****** ****.

• ****: ****** *** ********* resistant ** ******** ************* effects (****/****/****/****). ******* ************ skill ********.
• ****: ******* *** ******* to *********. *********** ************ in *************** ********* *****.

Recessed *****

* ***** ****-******* ******, very ****** ** **** frame ********** ***** ********. Generally, **** *** **** is *****, ***** ** run ****** *** ***** side.

• ****: *** ***** ** the ********* *************** ** plunger *****, *** ***** concealed.
• ****: ********* **** ********* and **** ********* ** install **** ******* ******. Risk ** ******** **** or *** ****** ***** clearance ***** ** ********** until ****** ** ******* them.

******** ****

* ********* ****** ******** for ***** **** ******** 'up' ****** **** *****. Overhead/roll-up ***** *** ********* to ******* **** *********** sensors, *** ** **** and ******** ** ********** features.

• ****: **** ** *******, and ********* ******** **** a *********** ******** *** armored ******* *** *****-**** use.
• ****: ***** *********** ** false ****** *** ** wind *********. ********** ** dirt, *****, *** ******** damage.

Sensor *****

*** **** ** *** sensors ** ********* *****, with ************ ***** ******* higher **** *** ***** of *** ****** ******. Most ***** *** ********* for ***** $**, **** only '**** ********' ** ruggedized ****** ***** **** expensive.

System ********** ********

**** ******** ******** *** connected ** ********* ******* **** ***************** ** *** *** of ******** ************ ******* for '***', ** ** the **** ** *** controllers *****, ** ******* inputs **** *** ********** for *** *** ** configuration *******:

*******, ***** ****** *** simple '******** ******' ********, and ***** ***** ** typically *** ****** ** the ********** *** *** use.

Sensor **** ********* *****

***** ** *** **** type *** ************ ********, guidelines *** ****** **** selection ***:

• ********* *****:*** ******* ** ******** Magnetic ******, ********* ** the '************' ***** ****.
• ***** *****/**** ******:*** ******* ***** ** Recessed ****** ********* ** frame ********* *** **** frame ******** ****.
• ******/********:*** ******* ** ******* Mount ******, ******* *** weather ** *** ******* an ******** ***** ************ ***** the **** ****.

Common *********

***** *** *** ******* trouble, *******. **** ****** to ******** ********* *********** issues ** ****** ******** them **** *******, *******, most *************' ******* *** best ********* ********* ***** use. ** *******, **** a ****** ******* * source ** ***** ******, one ** *** ********* situations ** *** *******:

*****/****** ********:******** ** ********** ******* are ****** ** ******, dirt, ** ***** *** so **** ****** ******** break *******. * ****** rag *** ***** ******* wipe *** *** *** problem, *** ********* ******** may ******* ******** ***********.

************:***** *** ****** **** over ****, ******* ****** use. ********* *** **** shifts ****** **** ********** the **** ** ********** up *** ****** *** be ********.

******* ******:******* ******** *** ***** magnets ** ****** **** sensitive **** ****, *** greater ****** ** ******* corrosion ** **** ************ can *********** *** ****** life. ************ *** ** required **** ********** ** exposed ***** **** ******.

Magnetic ********* ****

***-********** ******* ********* *** magnets ** ***** ****/***** state. ******* ** **** magnetic ***********, **** ******* make ** ******** ** 'fool' *** ****** **** staying ** * '****** state' ** * **** powerful, ******** ****** ** placed ******** ** *** sensor, **** *** ******* recessed **** ******.

****-******** ******* ******************* ** **** ** place ** ******** *** to ****** ** ******* against *** *******, ** using**** ****** ***************** *** ***** **** magnetic ******* ********, ******** those ******* ********* **** 30% - **% **** than ************ *******.

[****: **** ****** **** 2018 *** **** ************* updated ** ****.]