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<title>Specifications for PCR25 - Capacitive Proximity Switch </title>
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Mechanical Specifications and Wiring</font></td>
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<td align="center" valign="center" bgcolor="#ffffd2"><img src="images/pcr25_dim.gif" height="150" width="200" alt="PCR25 Dimensions" border="0"></td>
<td align="center" valign="center" bgcolor="#ffffd2"><img src="images/pcr25_wir.gif" height="130" width="202" alt="PCR25-NO Wiring Diagram" border="0"></td>
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<td align="left" valign="center" bgcolor="#ffffd2"><font size="2"><strong>Housing : </strong>
molded ABS w/ end cap<br>
<br>
<strong>Encapsulation : </strong> epoxy<br>
<br>
<strong>Sensor Cable: </strong> 3 meters ( tiaxial ), standard<br>
<strong>Power/Output Cable: </strong> 2 meters ( 4 wires ), standard<br>
<br>
<strong>Adjustment: </strong> 15-turn potentiometer<br>
<br>
<strong>Output Indicator: </strong> LED, lit when output is conducting</font></td>
<td align="center" valign="center" bgcolor="#ffffd2"><img src="images/pcr25_wir2.gif" height="130" width="202" alt="PCR25-NC Wiring Diagram" border="0"></td>
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<td align="center" valign="center" bgcolor="#000000"><font size="3" color="#ffffff"><strong>Mechanical Specifications</strong></font></td>
<td align="center" valign="center" bgcolor="#000000"><font size="3" color="#ffffff"><strong>Wiring Diagrams</strong></font></td>
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<br><a name="specs"></a>
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<td align="center" background="images/gp%20tartan.gif" height="40" colspan="6"><font color="#efef00" size="5">Electrical Specifications</font></td>
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<td align="center" valign="center" bgcolor="#ffff92"><font size="3"><strong>Input Voltage</strong></font></td>
<td align="center" valign="center" bgcolor="#ffff92"><font size="3"><strong>Supply Ripple</strong></font></td>
<td align="center" valign="center" bgcolor="#ffff92"><font size="3"><strong>Operating Current</strong></font><br><font size="2">nominal</font></td>
<td align="center" valign="center" bgcolor="#ffff92"><font size="3"><strong> </strong></font></td>
<td align="center" valign="center" bgcolor="#ffff92"><font size="3"><strong>Leakage Current</strong></font><br><font size="2">maximum</font></td>
<td align="center" valign="center" bgcolor="#ffff92"><font size="3"><strong>Output Current</strong></font><br><font size="2">maximum</font></td>
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<td align="center" valign="center" bgcolor="#ffffd2"><font size="2"><strong>10-30 VDC</strong></font></td>
<td align="center" valign="center" bgcolor="#ffffd2"><font size="2"><strong>10%</strong></font></td>
<td align="center" valign="center" bgcolor="#ffffd2"><font size="2"><strong>12 mA</strong></font></td>
<td align="center" valign="center" bgcolor="#ffff92"><font size="3"><strong> </strong></font></td>
<td align="center" valign="center" bgcolor="#ffffd2"><font size="2"><strong>2 uA</strong></font></td>
<td align="center" valign="center" bgcolor="#ffffd2"><font size="2"><strong>100 mA</strong></font></td>
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<td align="center" background="images/gp%20tartan.gif" height="50" colspan="6"></td>
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<td align="center" valign="center" bgcolor="#ffff92"><font size="3"><strong>Range<br>Adjustment</strong></font>
<br><font size="2">pF</font></td>
<td align="center" valign="center" bgcolor="#ffff92"><font size="3"><strong>Sensitivity</strong></font>
<br><font size="2">nominal</font></td>
<td align="center" valign="center" bgcolor="#ffff92"><font size="3"><strong>Sensitivity</strong></font>
<br><font size="2">maximum<br>
w/ 3" diameter<br>remote sensing<br>element</font></td>
<td align="center" valign="center" bgcolor="#ffff92"><font size="3"><strong>Temperature<br>Range</strong></font></td>
<td align="center" valign="center" bgcolor="#ffff92"><font size="3"><strong>Relative<br>Humidity</strong></font></td>
<td align="center" valign="center" bgcolor="#ffff92"><font size="3"><strong>General<br>Environment</strong></font></td>
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<td align="center" valign="center" bgcolor="#000000" height="7" colspan="6"></td>
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<td align="center" valign="center" bgcolor="#ffffd2"><font size="2"><strong>0-5</strong></font></td>
<td align="center" valign="center" bgcolor="#ffffd2"><font size="2"><strong>. 5"
<br>12. 7 mm</strong></font></td>
<td align="center" valign="center" bgcolor="#ffffd2"><font size="2"><strong>1. 5"
<br>38. 1 mm</strong></font></td>
<td align="center" valign="center" bgcolor="#ffffd2"><font size="2"><strong>+50<sup>o</sup> F to +130<sup>o</sup> F
<br>+10<sup>o</sup> C to +55<sup>o</sup> C</strong></font></td>
<td align="center" valign="center" bgcolor="#ffffd2"><font size="2"><strong>0 - 95%</strong></font></td>
<td align="center" valign="center" bgcolor="#ffffd2"><font size="2"><strong>unaffected
by normal<br>factory conditions of<br>dirt, grease and<br>vibration </strong></font></td>
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<br><a name="install"></a>
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<td align="center" background="images/gp%20tartan.gif" height="10%" colspan="3"><font color="#efef00" size="5">Installation/Setup Procedures</font></td>
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<td align="center" valign="center" bgcolor="#000000" width="50%"><font size="3" color="#ffffff"><strong>Mechanical Installation</strong></font></td>
<td align="center" valign="center" width="1"></td>
<td align="center" valign="center" bgcolor="#000000" width="49%"><font size="3" color="#ffffff"><strong>Electrical Installation</strong></font></td>
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<td align="left" valign="top" bgcolor="#ffffd2"><font size="3"><strong>
Use a <a href="12A272.htm">12A272</a> mounting clamp, or its equivalent, to securely mount the
sensor.<br>
<br>The remote sensing element must be constructed and secured in a way that prohibits movement of the
element, with respect to ground or the object to be detected.<br></font>
<br><font color="#ff0000">Note :</font><font color="#000000"> For new installations, you may require an
optional <a href="12A907.htm">12A907</a> Triaxial Bulkhead Connector, to interface with your remote sensing element.<br>
<br>Multiple units must be spaced at least 25mm apart, laterally, and, as a general rule, remote sensing
elements must be spaced a minimum of the sensor diameter away from each other.</strong></font></td>
<br>
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<td align="left" valign="top" bgcolor="#ffffd2"><font size="3"><strong>
Your switch's electrical connections must agree with those shown in the
corresponding <a href="pcr25_specs.htm#wire">wiring diagram</a> above.</strong></font></td>
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<td align="center" valign="center" bgcolor="#000000" colspan="3"><font size="3" color="#ffffff"><strong>Setup Procedure</strong></font></td>
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<td align="left" valign="top" bgcolor="#ffffd2" colspan="3"><font size="3"><strong>
Apply power.<br>
<br>
With no target present, turn the adjustment potentiometer CW until an alarm
condition exists <br>( Normally Open - LED is lit; Normally Closed - LED is off ).<br>
<br>
Then, turn the pot CCW until the alarm just resets. This is the point of maximum possible sensitivity;<br>
this is not the recommended operating point, however, as temperature fluctuations
may cause false alarms or detection failures.<br>
<br>
For the optimum setting, put a target at the desired detection point and ensure that the switch is alarmed.
Turn the pot CCW until the unit just resets, noting the number of turns to reset.
Return CW half this number of turns.</strong></font>
<br>
<br><font color="#ff0000"><strong>Note:</strong></font><font size="3" color="#000000"><strong> A minimum of � turn CW is recommended to ensure stable operation.</strong></font></td>
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<td align="center" bgcolor="#ffffd2" width="20%"><font size="2"><em>phone: </em><br><strong>+1 800. 315. 9233</strong></font></td>
<td align="center" bgcolor="#ffffd2" width="30%"><font size="2"><em>email: </em><br></font>
<a href="mailto:[email protected]"><strong>[email protected]</strong></a></td>
<td align="center" bgcolor="#ffffd2" width="20%"><font size="2"><em>fax: </em><br><strong>+1 203. 775. 1162</strong></font></td>
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