Door Position Switches (DPS) For Access Tutorial

By Brian Rhodes, Published Dec 16, 2020, 10:46am EST (Info+)

Door position switches are frequently ignored or forgotten, yet can solve major access control problems.

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Access 'control' itself relies on these switches to make the right logical decisions about sending alarms and locking doors. In this note, we look at how to choose the right set of contacts for your door and cover these details:

  • Sensor Function
  • DPS Importance
  • Sensor Types Available
  • Doors Impact Selection
  • Common Sensor Types
  • Common Sensor Mount Locations
  • Sensor Pricing
  • Controller Connection Location
  • Mitigating Magnetic Tampering Risks

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

*** ****** *******, '**** ******** ********', also ****** '***', '**** ********', ** 'door *******', ****** ******* * **** is ****** ** ******.

********* *** ****** ******* ****** ********** or **** ********* ****** ** ***** this ****** ** *********. *** ****** of ******* ** ******: **** * door ** ****, *** ******* ** complete. *******, **** *** **** *****, the ******* ****** ****, ********* ** the ****** ****** *** **** ** not ******. ***** ***** ****** ** locked ** '*******' **** ******, **** sensor ********* ***** * ******** ** most **********.

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

****** ******* ******* *** ***** ** whether * **** ** **** ** shut ******* ******** ********. ******* **** doors ****** ***** ******** ** ******* unauthorized ****** **** ******** ** ****, DPS ** *** ******* *** *** system '*****' ******* ** *** * door ** ******.

**** ********** ** *** ******* *** in ***** ** '**** *****' ** otherwise ******** *** ********, *** **** omission ** * ******** *******. ******* DPS, ****** ******* ****** ** ******** 'controlled' ** ***, *** ********** *** should ** * ********* ****** ** every *******.

Broad *********

******* **** ******** ******** *** **** in * ******* ** *******, ***** are ********* ** ******* *********. ***** those *********, ***** *** **** ** six ***** ***** **** ** ********** access:

IPVM Image

**** ************* *** '********' ****** ***** ** every ********* *** ******** **** ********* sporadic ***** ****** *** ****** ******* ever *****. **** ***** ****** **********, choosing *** ***** **** ******** ****** depends ************* ** *** **** - which **** ** **** ** **, how ***** ** ** ****, *** even ***** ********* ** *****. ** address ***** ******* ** ****** *****.

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

***** ** *****, ****** ********* ** typically ***** ** ***********, **** **** are ********* ** ***. **** ***** of *** ******** *** **** ********* to ******* **** ****** ********* ** the **** ******.

*** *******, ** * **** ***** is ********* **** * ***** ******** or ******* ****, ******** ****** ********* and ******* **** ** * "*******" frame ***** **** ** *********. *******, a "********" ****-******* **** ****** ** field ********* **** **** ***** ** Herculite *****.

****** ***** ***** ***** *** *** easily ** ******* ** *** "********" types, ****** *********** **** *****:

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Mounting ********

*** **** ****** ** ******** ** where *** ****** ****** ** *********. There *** * ****** ** ******** locations ** ****** ****, ***** ** the ***** *****:

IPVM Image

*** **** ** ******* **** ***** influences **** ********. ***** **** *** physical **** ** ****, *** ** is **** *** ***** *** ******* play * *** ****, *********:

  • ********/********:**** **** ** ************* ********** ** the ****** ******* **? ** ***-*********** office, ** ** ******* ******* ** extreme *******?
  • ****/***/****:** *** ******* ** ********** ****** the **** ****, **** *** ****** be ******* ** ********, ***, ** grime?
  • ******* *******:*** ***** ** *** **** ******? Once *** *****, ** * ******* times *** ****?

****** * ****** ** *** **** and ********* *** ** ** **** help ****** *** **** ****** ****, attributes **** ** ***** ** *** sections *****:

****etic '******' *****IPVM Image

**** **** ** ****** ** *** most ******, ******* ********* *** ***** piece ** ** ********* **** *** frame, *** *** ***** '******' ***** being ********* **** * ******* **** in *** ****.

** **** *****, **** **** ** sensor ** **** ** *** '*****' side *** ** ******** ****** ************ so *********/********* ** *********.

  • ****: ****** '******' ******* *** ********* and ************* ******** ** **** **********. Installation ** ****, ********* * ******* of ******** *** **** *** **********.
  • ****: **** ***** ** ********* ******. The ********* ***** *** ** **** precise, **** ******* ******* ** ** installed *********** ******** ** **** *****. Vulnerable ** ***** ******, ********** ** doors *** ******** ** **** ** vibrations.

Plunger *****

IPVM Image* **********, *** ********, ***** ** sensor. **** *** **** ** ****, the **** ******* * ******, ********** the *******. **** *** **** *****, the ****** ** ********, ********* ** open. ******* ******** *** **********, **** are *** ******* ** ***** ****** caused ** **** ** *********. ********* plunger ***** *** ********* ** *** hinge ****.

  • ****: **** *******, ******* ******* ******** of ******. * '***-*****' ****** **** avoids ********* ******.
  • ****: ***** ** ******** ******* ** dirt/grime. **** ** ****** ** ****** with * **** ** *********** ****** protected ** ***** *** **** *********.

Surface ***** *****

IPVM Image**** ** ******* ** **** ***** of *****: ****, ******** ******, *** hollow-core *****. ********* ******** *** ******** mitigated **** * ****** ****** ****.

  • ****: ****** *** ********* ********* ** negative ************* ******* (****/****/****/****). ******* ************ skill ********.
  • ****: ******* *** ******* ** *********. Potentially ************ ** *************** ********* *****.

Recessed *****

IPVM Image* ***** ****-******* ******, **** ****** on **** ***** ********** ***** ********. Generally, **** *** **** ** *****, which ** *** ****** *** ***** side.

  • ****: *** ***** ** *** ********* vulnerabilities ** ******* *****, *** ***** concealed.
  • ****: ********* **** ********* *** **** difficult ** ******* **** ******* ******. Risk ** ******** **** ** *** having ***** ********* ***** ** ********** until ****** ** ******* ****.

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

IPVM Image* ********* ****** ******** *** ***** that ******** '**' ****** **** *****. Overhead/roll-up ***** *** ********* ** ******* with *********** *******, *** ** **** and ******** ** ********** ********.

  • ****: **** ** *******, *** ********* equipped **** * *********** ******** *** armored ******* *** *****-**** ***.
  • ****: ***** *********** ** ***** ****** due ** **** *********. ********** ** dirt, *****, *** ******** ******.

Sensor *****

*** **** ** *** ******* ** generally *****, **** ************ ***** ******* higher **** *** ***** ** *** sensor ******. **** ***** *** ********* for ***** $**, **** **** '**** security' ** ********** ****** ***** **** expensive.

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

**** ******** ******** *** ********* ** the****** ******* **** ***************** ** *** *** ** ******** specifically ******* *** '***', ** ** the **** ** *** *********** *****, as ******* ****** **** *** ********** for *** *** ** ************* *******:

IPVM Image

*******, ***** ****** *** ****** '******** closed' ********, *** ***** ***** ** typically *** ****** ** *** ********** for *** ***.

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

***** ** *** **** **** *** installation ********, ********** *** ****** **** selection ***:

  • ********* *****:*** ******* ** ******** ******** ******, depending ** *** '************' ***** ****.
  • ***** *****/**** ******:*** ******* ***** ** ******** ****** depending ** ***** ********* *** **** frame ******** ****.
  • ******/********:*** ******* ** ******* ***** ******, because *** ******* ** *** ******* an ******** ***** ************ ***** *** **** down.

Common *********

***** *** *** ******* *******, *******. Many ****** ** ******** ********* *********** issues ** ****** ******** **** **** designs, *******, **** *************' ******* *** best ********* ********* ***** ***. ** general, **** * ****** ******* * source ** ***** ******, *** ** the ********* ********** ** *** *******:

*****/****** ********:******** ** ********** ******* *** ****** in ******, ****, ** ***** *** so **** ****** ******** ***** *******. A ****** *** *** ***** ******* wipe *** *** *** *******, *** continual ******** *** ******* ******** ***********.

************:***** *** ****** **** **** ****, through ****** ***. ********* *** **** shifts ****** **** ********** *** **** or ********** ** *** ****** *** be ********.

******* ******:******* ******** *** ***** ******* ** become **** ********* **** ****, *** greater ****** ** ******* ********* ** some ************ *** *********** *** ****** life. ************ *** ** ******** **** frequently ** ******* ***** **** ******.

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

***-********** ******* ********* *** ******* ** sense ****/***** *****. ******* ** **** magnetic ***********, **** ******* **** ** possible ** '****' *** ****** **** staying ** * '****** *****' ** a **** ********, ******** ****** ** placed ******** ** *** ******, **** for ******* ******** **** ******.

****-******** ******* ******************* ** **** ** ***** ** standard *** ** ****** ** ******* against *** *******, ** ********* ****** ***************** *** ***** **** ******** ******* entirely, ******** ***** ******* ********* **** 30% - **% **** **** ************ methods.

[****: **** ****** **** **** *** been ************* ******* ** ****.]

Comments (16)

***** ****** *****. ******* ********* ***** of *** ******** ***'* ** *** actual ******. *** ******** ** ****** steel ***** **** *** ******* ** top ** *** ****. ***** ***** technicians ***** ***** *** "*******" ****** in *** ******* *** *** ****** it **** **** ** *******. **** time *** ******* ******* *** **** the ****** *****. ******* ********** * customer **** **** ******* ***** **** and *** ***** **** ** **** the ****, **** ****** **** *** an ****** ******* ******* *** ****** thinks *** **** ** ******* **** and ******* ** *********** ******** *** door **-***** ***********.

**** *** **** ** *** *** Sentrol/GE/Interlogix ******* ** **** ******* ***** Nascom *******. **** ********* **** ****** but ******* * **** *******. ***** "Shark" ****** ** *** ******** *********** for *** ******* ****** *** *** don't **** ** ***** ***** ** moving **** ****.

Agree: 1
Disagree
Informative
Unhelpful: 1
Funny: 1

*'** ***** ***** ** ***** '*******' types, *** **** *** ******* ***** (terrible!) *****. ******!

Agree
Disagree
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Funny

IPVM Image

Agree: 2
Disagree
Informative: 3
Unhelpful
Funny: 1

***** * ********** ***** **** **** article, **** ********* *** ***** "****** control" ** * ******* ***** ******, nothing ****. **** ***'* **** ***** door ******** ** *** ******. ***** we ****** *** * **** *** of ******, ***** * ********* ***** or *********, ****** ** ** ******* any ******** **** ** *** ***** used. **** ************ *** ****** ** avoid ******* *** ***** ****. ***** the *********** ******* *** ************ ** the ***** ** *** ******** *** application.

Agree
Disagree
Informative: 1
Unhelpful
Funny

********* ********* ***’* **** **** **** need ***** *** ********* *** *********. Of ******, ****’* **** **** ***’* discuss **********.

Agree
Disagree
Informative
Unhelpful
Funny

** *** **** **** ******** ** a ******** ** ********** ******* **** the **** ******** ****** ****** ** integrated **** *** ******* ******, ** it ** ******** ****** ** * mag **** ** ********. ***** ******* door ********** ******* *** **** **** not **** ** *** **** '******' as * **** ****** ****, *** also **** ********* **** *** **** lock ** *******.

**** ********* ******** ******* **** * sensors, *** **** ***** *** ****** is ******* ** *** ****** & one **** ***** *** ****** ** in *** ****** ********.

*** ***** ***** **** * **** sense ****** ***** **** ******** **** the **** ** ********* & *** armature ***** ** ******** ******** ******* the ****, ** **** ** ******** being **** ******.

*** ******* ***** ***** **** ** concealed *** / ****, * **** BS ** **** *** ****** *********. The ******* ******** *** ***** ** approx */* ** */* ** *** way ******* *** ***** **** ** the **** **** *** ****** ****. Having ****** **** ** *** ***** of ***** ** **** *** * can ******** *** **** ***** ***** rate *** ** **** ******** *** to **** ** ****** *******.

Agree
Disagree
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Unhelpful
Funny

* ** ****** **** ** *** this *******. ** *** **** ** contention *** ****** *** **** *** industry *****'* *** ****** ********* ** the ***** ***** **** **** ********.

** ** ***** *** ******* **** they *** ****** *** **** ** installed *** ** *** **** **** or ********* *** ******** ** ********* of ****.

***** ** ****** **** ************ ** how **** *******. ** *** ******* in *** **** *****, *** *** attention ** ******** ******* **** *** regulated. ***, *** ***** ***** ******** there *** ****** ************ ** ******** other **** ** **** ***.

*********** ****** * ********* **********. **** don't *** **** ********, *** *** balanced ******** ********. * ***'* **** of *** ***** ******* **** *** tried ***/** ********* ** ****** ** with * ****** ******* ** * different **********. * ***** ** ********** to **** **** ****** ** ***** options. **** **** ***** **** **** just **** ******** ********, **** ***** standard ******** ** ******* ***** ******** as ****.

Agree
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Informative
Unhelpful
Funny

*** ********** ******...*** *** ** **** door ******** ********. *** ******** ******* for *** ****** ******* ****** *** one *** *** ********* ******. ******* the ****** ** ******* ** *** door *** *** **** *** ***** of *** ****** *** ***** ** the ******* ***** *** ** *** door.

Agree: 1
Disagree
Informative
Unhelpful
Funny

***** ****** ** *****. **** *** ever ******** *** ******** ***** *** biased ****? * ******** ***, ******** possible, ****** ******** ******** ******** ** the **** *****. ***** ******** *** to "*****" *** ******* ****** **** a ******** ****** *** ****** * biased ******** ***** ** **** ********* if *** ********* **********. *** ****** I **** ********* ****** ****** ******* on * **** ******** ************ **** excellent *******.

Agree
Disagree
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Unhelpful
Funny

**** ********* **** ** *** *** value ** ***** * *** ** a ***-**** ****** "**** ****" ****. Multi-door ********* **** ** *** ***** of * ****** ** ****** ******** should **** ***** **** *********, *** just *** **** **** **** *******. I ****** **** ******, ******, ** other ************ **** ********* **** **** doors ****.

Agree
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Unhelpful
Funny: 1

** * ******* ****** ******* ** might **** * ***** **** *** access ******* *** *** **** **** just *** *** ***** *** ** a ***** ***** . *** ****** and ********* * ***** ** ***** it *** *** ***** *** ** worked.

Agree
Disagree
Informative
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Funny

******** ******. ** ***** *** ******** installation **** ** *** ****** ***........******'* be ** ****** ******* ***** ** it ****'* ;-)

** ****** '*****' ** * **** good ******* *** **** ***** *****.

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Funny

*** ******* ***** ****** *****!

**** = *****

Agree
Disagree: 1
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Funny

***** ** **** ******** ** *** context ** **** ****, ****, ****** or ******* **** ***** ** ** your ******* ** ******* ***** ** the *********** ****** ********.

*****: **** ******, ** ***** ** the **** **** *****/*******/********** *** ********* of **** ******.

Agree
Disagree
Informative
Unhelpful: 1
Funny

**** ****** ** ***** ** ** more *******?

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Funny

** *** **** ****** ******* *** don’t **** * **** ************* ** the *** *** **** ****** ********** and ********, ***** ****.

**** ********** *** *** ********** ** end ***** ******* ** **** *** additional **** ** ********* ****.

****, ****’* **** ** ********** ** least.

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