Exit Devices Tutorial

Author: Brian Rhodes, Published on Jul 30, 2013

One of the most common locking devices is poorly understood. Exit Devices, also called 'Panic Bars' or 'Crash Bars' are required by safety codes the world over, and become integral parts of electronic access control systems.

** **** ****, ** ******** **** ********, ********** ***** ****** features, *** *** **** ** *********** **** **** *** ******* creating ********.

Mandatory ***

*** *********** ** **** ******* ** ********** ****** ******** ****** by *****. ********* ** ********* **************, ******** *** ******** ** meet ******** ******** ******* ** ***** ******* ****** * '*****' or ********* *********. **** **** ******** ******* *** *** **** relate ** **** *******, *** *** ******** ***** ******* *** basic *********** ************ ** **** ********:

**** *** : *.*.*.*.* - *.*.*.*.**, **** *******:

******* ** ***** ********* ****** ** * **** ***** ** provided**** * ********* ****** ****** ** ******* ****** ** ********* under *** ******** **********. *** ********* ********* (****** ******** *************) ***** ** ******* between **" *** **" ***** *** ******** *****. ***** ***** be ************ *** **** **** * ********* *********:

  • **** **** ** * **** ** * ***** ** ****** shall **** *** *** ********* ******, ******* ****** *** ** ******* ************* (*** *** ******* * device ** ** ******** ****** *** *****), ******
  • ** ********** ******* ****** (*******, ****, *****, ********, ***.) ***** be ********* ** * **** ***** ******** ***** ********

**** ******* *** *** ************ ********** ** ***** ** *** only ******** *** ***** ********, ******* *** ****** ** ****** panic ******** ********* ********** *** ***** ********* *** **** ******** products ******** ** ** **** *********. '****** *******' *** ** *********** *** *** *** ** ********** **** the **** **** ** ** **** ********* ********* ** ***** interpretations (**: '***** *** ******** **********')

** *******, ***** ******* *** ******** ** *** ******** *****:

  • ******/***** ****** **********: (*****, ****** *********, ********, *********)
  • ***** ******** ** ****** ** ********* (**********/****** **********)
  • ***** **** ******** ********** ***** (**** **********/********** ***************)
  • ***** ***** ********** ** ********* *** ****** (**********, ******* **********)

**** ******** ***** *** ******** ** ***-*********** **********.

Major **********

***** *****, *****, *** *********** ************ *******, *** ********* ** an **** ****** ** ******: **** *** ***, ******* *** latch, *** ***** **** * ****. *** ***** ******* ** exit ******* *** ***** *****:

** ******** ** *** ***** ********, *** ******* ** '*** down' * ******, ** **** *** ***/***** **** ** ********* position, ** * ****** *******. ******* **** ******** **** * common *** *** ** **** * ****** ****.

**** ******* *** ******* ******* ******* ** *** '*** **** **** * ********* *********' **** *********** **** ***** ***** *** ****** ******* **** be ********* ** ******** ********* ** ******** ********** **** *** motion. **** ******* ***** ******* ********** ******** *** *** ********* to *********** *** *********** **** *** **** *****.

***** *** '******* ****' ************* ** ** **** ****** ** similar ********** ** ****, *** '*******' ** '*********' **** ** a ****** ** ******* ** **** *************. ** **** *****, a ****** **** ****** ** ****, *** '******* *** ******' that ****** ** ******* **** ** ****** *** **** **** the ********* **** ** ****.

Latch ********

*** ******** ** *** ***** ** * ******** *******, ********** when **** ******* **** **** **** *** *******.

*** ***** ** ********* ******* ** ** *** ******** ********* that ******* *** ****. **** **** *******, ***** *** ********* three ********* ***** *********, **** * ****** ****** *********** ** to ***** ******* **************.

** ***** ***********, ****** ***** *** ****** ******* **** ****** more ****** ** ***** ** ***** **** * ****** ****. As ****, **** ******* *** ***** ***** ** ****** *****. In **** *****, *** ******** ** * ****** ****,****** * *******, ******* *** ***** ********. **** *** ******* ** *******, latches *** ********* ********* ** *** '****** ****'. *******, **** the ******* ** *******, *** **** **** ** ******* **** the *** ** ****** ** *** **** *******. *** ****** below ******* ***** ***********:

*****, ** *******:

****, **** *******:

******* *** ***** ******** *******, **** ******* *** *** *** door ********** **** ** ****** ******. *** *******, ** *** affect *** ********* ** ** ******** ****** ** ** ****-***** ******* ****** ******** *** ******. ** *** ******** ** *** ******** **** *** ********** the ******** ******** ** * *******. ** ****** ****, ********* of *********** ******* ******** ** ******** ** *** **** ** exit ****** **** ** *** ****.

Electronic ***** **********

******* ****** ** ** ***** '********** ***** **********' ** *** device. **** ******* ******* **** ** *** ***** ** ** the *** *** ***** ****** **** * ********** ** ****. This ****** ** **** ****** ** ****** '********', *** ****** from *** ******* ********** ** **** ** ********* ** *** inside ** *** ****:

**** **** *** ****** ** *** ********* ********* **** **** feature,******** **** *** ************* **** ************* ** ******* *****.

**** **** **** ***, *** **** ****** ********** **** *** controller **** * ****** - ********* *** **** ** ********* until * ********** **** ****** *** ****** ** ***** ***** to *** ********** *********. ********** ** *** **** ** ******* used -*********/******* ****, ** ****** *******, ********** ** ******** ***** ********** *** available.

Power *******

**** **** ******* **** ***********, ******** **** *** ** * challenge. ****** ***** ******** ***** **** *** ******* ** ******* run ******* *** *****, **** ******* **** **, *** **** swing ****, *** **** ****.

******* ******* *** ***** ********** *** ***** *********** ******** ** run ** *** ****** ** *** ** *** ****: **** Loops ** ******** ******:

******** (** *******) ****** *** *** ********* ** ************ ********* than ******** ******, **** ****** *** *********** ** **** ******* power **** *** ***** ** *** ***** **** ******** ******** contacts. ******* *** **** (*****) ****** ** ******, *** *********** and ****** ** ***** ********** ** ********. *************, ***** ****** often **** *** ***** **** **** *****, *** *** ********* may **** ** ** ************ ********.

******* *** ********** ** ******** ****** *** **** **** ** run ****** '****** ****' *****. ***** ******* ***** ********** ** the **** ** ***** *** **** ****** **** ********* ****, it ******** '***** ****' *****, **** **** ***** ***** ***.

** **** *********, * '**** ****' ** ****, ***** ** essentially ** ********** *** *****, ******* ** **** **** ** flexible ******* *******. *** **** ** *** ** *** ******* (inside) ** *** ****, *** ********** ********* ** *** ********* an *****, *** ******** ********* *** ****** *** **.

***** ****** ******** ********* ***** ** **** ******* ***:

  • ******:******* *** ********* **** **** ** ***** **** *** *** is ****** *** *** **** *****. **** ** * ****** feature *** '********* *****' **** *** *** '******' ********. **** someone ***** *** ****, *** ***** ******** *********.
  • ******* ******:** **** *****, *** **** *** ** **** ****** *** a ***** ****** ** **** ****** *******. ***** ***** ******* legislate ********** *** ** ******* ******, *** ** *** ***** a ***** **** ***** ****** * ******* ******. ** ** covered ** *** '******* ****** ********' ******, **** ** * ****** ******* ** **** ****** secured *** * ***** ****** ** **** ***** ***** ******** emergency *******.

Relative ****

*** ***** ***** *** ** **** ****** ****** ******, **** under $*** ******* ***** ******* ** $*,*** ***** ****, *************** styled *****. ** ******* *** ******** ********** **** **** ****** $400, *** ***** ******* ******** **** ******* ** ******** **** inline **** ******* *******, **** $*** ** $*** ********* ** style *** ******* *****.

Other *******

**** ** *** **** **** ********** *** ** **** ****** doors, *** ****** ******* **** ******* **** *********, *********, *** in ***. *******, ***** *********** ****** **** ********** *** **** devices ** *****, ****** ** ****** *** **** **** (*****, wood, ** *****). ** **** ******* ***** ****** ************ ** upcoming *****.

Comments (2)

* *** ***** **** ***** **** ******** **** ** *** inrush ***** ************ *** ******* ******* * ***** ***** ****** somewhere **** *** ****.

* **** **** ******** ****** **** ***** **** *****, *** we *** *** ***** ******* *** **** ****** ********. * have **** **** ***** ******* ** *** *****, *** ** requires * **** ************ **** * ******* *** *** **** drill ***.

** ******** ** *** ******** ******* *****,*********'* ***** **************** **** ******** **** ***** *** ******* **** **** **** ********** ** field *******.

********* ******** ******* ********* **** ****** **** ****** ** *** * ******* (and *********) ***** ****** *** ****** ** *** ** ****** close ** *** ****. ** **** * ***** ** ******* (and ****** *******) **** *** ***** *** ** *** ******* the ******* **** * ***** *** ***** ****. ** **** loud ******** ******** *** ***** * ****.

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