Lock Status Monitoring Tutorial

By Brian Rhodes, Published Dec 15, 2021, 08:58am EST

A door may look closed but not actually be locked. Without lock status monitoring, the doors and areas they protect could unknowingly be left insecure.

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Lock status monitoring addresses a key vulnerability of many access control systems, but its value is often ignored or misunderstood. In this report, we explain:

  • How Lock Status Monitoring Prevents Security Risks
  • Why Shut Doors Do Not Mean Secure Doors
  • Tradeoffs Of Door Position vs. Lock Monitoring
  • Typical Lock Monitoring Cost
  • Examining Latchbolt Monitoring vs Latchbolt Strike Monitoring
  • Explaining Maglock Bond Sensors

Importance ** **** ********** **. **** ********

'**** **********' ******** **** an *******'* ******** **** is *******, ********* ** the ****** ****** **** doors *** **** ****** and ******* ***** **** access ***** *** **** secure/lock ******** ******** **** the **** ** ****.

**** ******** ******** ******** ******** (***)**** ******** **** * door ** **** (*** not **** ** ** locked). ** **** ***, lock ********** ** **** useful **** ***.

Monitoring ******* **** *********

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********** ** *** ************* your ********** ****** ***** are, **** ******** *** be ********** ** *********. Unless *** **** ******** is ********* ** ******, intruders *** ****** *** locks *** *******, ********** by *** ******.

*** *******,******** ********** ** *********** ** placing ******* ******* ** the ******, ********** *** latchbolt **** ********. **, they *** ** **** in **** **** ** prevent *** ***** **** extending. *** ***** ***** shows *** ***** *** be **** ** ******* the ***** **** ********* into *** ****** ** keep *** **** ******.

************************* ***** ******* ** holding ***** (********* *** thousand ****** ** ****), they **** **** **** the ****** *** *** armature **** **** *******.

*** ***** ******** ******* force ***** *********** ** the ****** *** *** allowed ** **** *******. Even ******** *** ******* with **** ** ***** reduces *** **** ** just * *** ******, allowing *** **** ** be ****** ****** ****.

*** ***** ***** ***** a ***** ** **** & **** ****** (******) used ** ********* **** a *******'* ****, ******** anyone ** ***** ******* the ****:

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Shut ***** ** *** ****** ***** ****** *****

***** ***** *** ****** fully ****** ** ** access ****** *** *** insecure ** *******. **** a **** ******** ******** ******** *********** **** **** ****** operators ** ** ** open ** ****, ******* to *** ********* ********** that '******' **** ***** 'locked'.

*************, **** ******** ** defeat ****** ******** **** from ********, ***** *** convenience *** *** ******, as ***** ********* ***** ****** ******* Tutorial. *******, **** ** done ******* ******** **********, tampering **** ****** ***** can ***** ****, ************ entry ******* *** **** to ********** ***** ** trespassers *****.

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

** **** *****, ***** lock ********** ***** ********** more (~$**-*** *** ****) than **** ******** ********.

*** **** ********** ***********, ****** **** ******** Switches ** **** ******** are ********* ** *** 'Door *******' ***** ***** Normal-Closed ******* ** *** controller *****.

**** ** ** ******* of ******* ****** *** an *** **********:

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*** **** ** ****** a *******-***** **** ******* could ** ** *** as $* *** ***, and **** * *** minutes ** ******* *** connect ** ** ****** system. *******, ********** ********** lock ********** ** *** lock **** ******** *** lock's **** ** **% - **%. *** **** difference *** ******* *** lock ********** ** *** as ******** **** ** Door ******** ********.

** *** ****** *****, the ********** ***** ******* is ********* ** *********** by *** ** *** yellow *** ***** *****:

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*** ****** ******* *** these ********** ** *** types ** ***** ** often ******** **** ***** wires, *** ******* ***** monitoring *********** ****** *** lock ***********.

Three ****** ***** ** **** **********

**** ********** ** ******* deployed ** ***** ****:

  • ********* ********** (***)
  • ********* ****** ********** (****)
  • ******* **** *******

***** *** ***** *** seem ** ** ******* almost *** ****, *** monitoring ******* *** *********** different. *** **** * lock **** ** ****** parts, **** * *******, can ** ********* ** checking *** **** ********.

Latchbolt **********

*** *** ** ***** if ***** *** ****** and ***** ******* *** engaged ** ** '********* monitoring'. ** **** ******, a ********** ** ********* switch ***** ****** *** strike ****** ******* *** door's ********* ** ******** is ********. ** *** latch ** ******, *** LBM ** ******* *** the **** ***** ******. If *** ***** ** not ******, *** **** is ********, *** *** switch ******* ********* ** uncontacted ** *** *****.

**** ***** ***** *** position ** *** ********** switch ****** * ****:

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***** ****** ****** *** to *** **** ** each ****, (** **** as $** ** $**), and ****** ** ******* requires ********* ******** *****.

Latchbolt ****** **********

******* ****** ** ********** strikes, ********* ****** **********, involves ******** *** ******** solenoid ********, ***** ********* whether *** ****** ** secured *** ********* **** latches. *** ********* ** LBSM ** **** **** are **** ******* *** less ***** ** *********** and ********, *** **** are *** ** ****** as *** ******* ** strikes.

**** ******* ***** **** as ** ******, ** this ******:

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Maglock **** *******

*** **** ****** ****** of ********** ******** ******** a ****** **** ****** the ***** ******** ** the *************** **** ****** the ****. **** *** field ** ********* ** within ****, ** ********** LED ** **** ****** loop ******* *** **** is ****** ******. *** image ***** ***** *** 'green ** ****' *** indicator ** *** *******:

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** **** *****, **** sensors *** * ******* option ** ********, *** using **** **** ** cost ***** **** *** already ********.

*******, ***** ******* *** go '***' **** **** due ** **** ** corrosion. ******** *********** ********* a ********** ****** *** a *********** ****** ******* a *** ******* *** be ****** **** ** twice ** *** **** of **** ***** *** these ********.

Using **** *** *** **** ********** ********

**** ********** *** **** door ******** *** **** monitoring ** *** **** time ** ****** *** contacts ** ****** **** the **** ******** ******. Instead ** ****** ******* a **** ** **** or ******, *** ****** would *** ** ** open *** *** ****** or ****** *** ******.

**********, **** ********** ******* may ** *** ** separate ******* ********** ******. If ***** **** ** display **** ****** **********, this ****** *** **** be ****** ** *** accurate ******. *** *******, if ***** ******** ****** the *** ****** ** kept ******, ******** ********** from **** *** *** lock ********** ** ********.

Comments (3)

IPVM Image*** **** ** ****** integral *** ** **** as ** ****** **** supplying * *** ******** strike ** *** ******* and ** ** **** cases **** **** *-**% easily:

*** ******* ** $**.** more **** *** *** 5200 ** *** ******* integrators *** **** ************

*** ******** ** ***** $50.00 **** **** *** HES **** ** *** pricing *********** *** **** distribution

***** ****** ********* ***** 50% **** ** **** between * **** *** a **** ***

***** ****** ********* ***** 57% **** ** **** between * **** *** a **** ****

*** *** *** *** 9600, ******* ***** ******* all *** **** ****, it ***** ** ****** $70.00 **** ** *** the **** *** *** over *** ******* **** 630 ******** ******. *** represents * **% *******.

***, *** *** $*.** surface ***** **** *******, it *** **** **** 5 *****, *** ** the **** *** ** everything ** ******* *** wiring ******** ****** *** door ****** *** ***** it ** ******* * metal ****'* ****** ** wherever ** ***** ** go, ** ** * lot **** ***** ** use ** ******** *** style ******** *** *** used ** * ***** filled **** ***** *** you **** ** ***** out ** ***** ****(*) to ***** *** *** wiring ** * *** 9600/9500/9400, ***** ** ******** to *** ****** **** in * ********* ***** than *** **** ***** wiring.

** **** *****, ** end ** **** * 3/4" ******** ***** **** contact, ***** ****** **** options *** ********* *** wiring *******.

Agree
Disagree
Informative: 2
Unhelpful
Funny

****'* **** ********. ******, I ******* *** **** language ** ** ***'* misunderstood ** * ******* cost.

Agree
Disagree
Informative
Unhelpful
Funny

***** **********. * *****; in ****, ** *** do ** "*********" *** cost ***** **** ** over $*** *** **** if *** *** ***** the ***, *** *** an ** ** * mechanical ****** **** ** an ******** ** ****** exit ******. **** ****, I ***** ***** ****** stick * ******, **** reader *** ******** ****** (or ******** ****) ** a **** ******* ***** laying *** *** ****** to *** ***** ** writing. *** *** ********: "Do *** **** ** be ** **** ** possible **** **** ***** remain ******* **** *** system ***** *** *** door ** ******.?" **** is *** * ******* in *** ******** ************** ** ** ** INFORMED ********.* **** **** ******** in *** ***** (** the *********'* ****) *** I ***** ********* * can ************ ****** ******** ** ***** ** integrator *** ****** * cost ******* ** **** issue.

*********** ****** ********* ******* this ***** *** *** it ** ******* ******** the ********* ** ** the *****. ***'* ** the *** ** ******* "***** ******".:

Agree
Disagree
Informative: 1
Unhelpful
Funny
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