<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.4">
<drawing>
<board>
<plain>
<wire x1="0" y1="86.995" x2="128.27" y2="86.995" width="0.4064" layer="20"/>
<wire x1="128.27" y1="86.995" x2="128.27" y2="0" width="0.4064" layer="20"/>
<wire x1="128.27" y1="0" x2="0" y2="0" width="0.4064" layer="20"/>
<wire x1="0" y1="0" x2="0" y2="86.995" width="0.4064" layer="20"/>
<text>PBX</text>
<text>V1.1 2013</text>
<text>M. Reinelt</text>
<wire x1="-3.81" y1="86.995" x2="0" y2="86.995" width="0.4064" layer="20"/>
<wire x1="0" y1="86.995" x2="0" y2="90.805" width="0.4064" layer="20"/>
<wire x1="-3.81" y1="0" x2="0" y2="0" width="0.4064" layer="20"/>
<wire x1="0" y1="-3.81" x2="0" y2="0" width="0.4064" layer="20"/>
<wire x1="128.27" y1="-3.81" x2="128.27" y2="0" width="0.4064" layer="20"/>
<wire x1="132.08" y1="0" x2="128.27" y2="0" width="0.4064" layer="20"/>
<wire x1="128.27" y1="86.995" x2="128.27" y2="90.805" width="0.4064" layer="20"/>
<wire x1="132.08" y1="86.995" x2="128.27" y2="86.995" width="0.4064" layer="20"/>
</plain>
<libraries>
<library name="atmel">
<packages>
<package name="DIL28-3">
<description>&lt;B&gt;Dual In Line&lt;/B&gt; 0.3 inch</description>
</package>
</packages>
</library>
<library name="rcl">
<packages>
<package name="E5-8,5">
<description>&lt;b&gt;ELECTROLYTIC CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 5.08 mm, diameter 8.5 mm</description>
</package>
<package name="E2,5-7">
<description>&lt;b&gt;ELECTROLYTIC CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 2.54 mm, diameter 7 mm</description>
</package>
<package name="C050-025X075">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 5 mm, outline 2.5 x 7.5 mm</description>
</package>
<package name="C025-025X050">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 2.5 mm, outline 2.5 x 5 mm</description>
</package>
<package name="0207/10">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
type 0207, grid 10 mm</description>
</package>
<package name="0411/15">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
type 0411, grid 15 mm</description>
</package>
<package name="0204/7">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
type 0204, grid 7.5 mm</description>
</package>
<package name="C025-024X044">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 2.5 mm, outline 2.4 x 4.4 mm</description>
</package>
</packages>
</library>
<library name="pinhead">
<packages>
<package name="2X03">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
<package name="1X06">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="special">
<packages>
<package name="QS">
<description>&lt;B&gt;CRYSTAL&lt;/B&gt;</description>
</package>
</packages>
</library>
<library name="misc">
<packages>
<package name="T602">
<description>&lt;b&gt;OMRON SWITCH&lt;/b&gt;</description>
</package>
<package name="TRAFO2">
</package>
<package name="RELAIS2">
</package>
<package name="HOLE">
</package>
</packages>
</library>
<library name="led">
<packages>
<package name="LED3MM">
<description>&lt;B&gt;LED&lt;/B&gt;&lt;p&gt;
3 mm, round</description>
</package>
</packages>
</library>
<library name="lt1373">
<packages>
<package name="DIL08">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="pot">
<packages>
<package name="S64W">
<description>&lt;b&gt;POTENTIOMETER&lt;/b&gt;&lt;p&gt;
Spectrol</description>
</package>
</packages>
</library>
<library name="diode">
<packages>
<package name="DO35Z10">
<description>&lt;B&gt;DIODE&lt;/B&gt;&lt;p&gt;
diameter 2 mm, horizontal, grid 10.16mm</description>
</package>
<package name="CB417-15">
<description>&lt;B&gt;DIODE&lt;/B&gt;&lt;p&gt;
diameter 3.5 mm, horizontal, grid 15.24 mm</description>
</package>
<package name="DO41-10">
<description>&lt;B&gt;DIODE&lt;/B&gt;&lt;p&gt;
diameter 2.54 mm, horizontal, grid 10.16 mm</description>
</package>
</packages>
</library>
<library name="choke">
<packages>
<package name="8MM">
</package>
</packages>
</library>
<library name="uln-udn">
<description>&lt;b&gt;Driver Arrays&lt;/b&gt;&lt;p&gt;
ULN and UDN Series&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="DIL16">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="con-ptr500">
<description>&lt;b&gt;PTR Connectors&lt;/b&gt;&lt;p&gt;
Aug. 2004 / PTR Meßtechnik:&lt;br&gt;
Die Bezeichnung der Serie AK505 wurde geändert.&lt;br&gt;
Es handelt sich hierbei um AK500 in horizontaler Ausführung.&lt;p&gt;
&lt;TABLE BORDER=0 CELLSPACING=1 CELLPADDING=2&gt;
  &lt;TR&gt;
    &lt;TD ALIGN=LEFT&gt;
      &lt;FONT SIZE=4 FACE=ARIAL&gt;&lt;B&gt;Alte Bezeichnung&lt;/B&gt;&lt;/FONT&gt;
    &lt;/TD&gt;
    &lt;TD ALIGN=LEFT&gt;
      &lt;FONT SIZE=4 FACE=ARIAL&gt;&lt;B&gt;Neue Bezeichnung&lt;/B&gt;&lt;/FONT&gt;
    &lt;/TD&gt;
  &lt;/TR&gt;
  &lt;TR&gt;
    &lt;TD ALIGN=LEFT&gt;
      &lt;B&gt;
      &lt;FONT SIZE=3 FACE=ARIAL color="#FF0000"&gt;AK505/2,grau&lt;/FONT&gt;
      &lt;/B&gt;
    &lt;/TD&gt;
    &lt;TD ALIGN=LEFT&gt;
      &lt;B&gt;
      &lt;FONT SIZE=3 FACE=ARIAL color="#0000FF"&gt;AK500/2-5.0-H-GRAU&lt;/FONT&gt;
      &lt;/B&gt;
    &lt;/TD&gt;
  &lt;/TR&gt;
  &lt;TR&gt;
    &lt;TD ALIGN=LEFT&gt;
      &lt;B&gt;
      &lt;FONT SIZE=3 FACE=ARIAL color="#FF0000"&gt;AK505/2DS,grau&lt;/FONT&gt;
      &lt;/B&gt;
    &lt;/TD&gt;
    &lt;TD ALIGN=LEFT&gt;
      &lt;B&gt;
      &lt;FONT SIZE=3 FACE=ARIAL color="#0000FF"&gt;AK500/2DS-5.0-H-GRAU&lt;/FONT&gt;
      &lt;/B&gt;
    &lt;/TD&gt;
  &lt;/TR&gt;
  &lt;TR&gt;
    &lt;TD ALIGN=LEFT&gt;
      &lt;B&gt;
      &lt;FONT SIZE=3 FACE=ARIAL color="#FF0000"&gt;AKZ505/2,grau&lt;/FONT&gt;
      &lt;/B&gt;
    &lt;/TD&gt;
    &lt;TD ALIGN=LEFT&gt;
      &lt;B&gt;
      &lt;FONT SIZE=3 FACE=ARIAL color="#0000FF"&gt;AKZ500/2-5.08-H-GRAU&lt;/FONT&gt;
      &lt;/B&gt;
    &lt;/TD&gt;
  &lt;/TABLE&gt;

&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="AK550/2">
<description>&lt;b&gt;AK550/2-16DS-3.5V&lt;/b&gt; PTR- Meßtechnik&lt;p&gt;
Conrad Elektronik Best. Nr. 729981 - 49</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="IC1" library="atmel" package="DIL28-3" value="MEGA8-P">
<attribute name="MF" value=""/>
<attribute name="MPN" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="OC_NEWARK" value="unknown"/>
</element>
<element name="C2" library="rcl" package="C025-025X050" value="100n"/>
<element name="C3" library="rcl" package="C025-025X050" value="22p"/>
<element name="C4" library="rcl" package="C025-025X050" value="22p"/>
<element name="C5" library="rcl" package="C025-025X050" value="100n"/>
<element name="R2" library="rcl" package="0204/7" value="10k"/>
<element name="JP2" library="pinhead" package="2X03" value="ISP"/>
<element name="Q1" library="special" package="QS" value="16MHz"/>
<element name="T2" library="misc" package="T602" value="RESET">
<attribute name="MF" value=""/>
</element>
<element name="LED1" library="led" package="LED3MM" value="grün"/>
<element name="R1" library="rcl" package="0204/7" value="1.8k"/>
<element name="JP1" library="pinhead" package="1X06" value="Arduino"/>
<element name="C6" library="rcl" package="C025-025X050" value="100n"/>
<element name="C7" library="rcl" package="E2,5-7" value="100u"/>
<element name="C8" library="rcl" package="E5-8,5" value="100u"/>
<element name="IC2" library="lt1373" package="DIL08" value="LT1373"/>
<element name="R3" library="pot" package="S64W" value="500k"/>
<element name="C9" library="rcl" package="C025-024X044" value="47n"/>
<element name="R4" library="rcl" package="0204/7" value="5k"/>
<element name="D1" library="diode" package="DO35Z10" value="MBR140"/>
<element name="L1" library="choke" package="8MM" value="100u"/>
<element name="IC3" library="uln-udn" package="DIL16" value="ULN2003AN"/>
<element name="2X12V" library="misc" package="TRAFO2" value="TRAFO2"/>
<element name="K1" library="misc" package="RELAIS2" value="RELAIS2"/>
<element name="K2" library="misc" package="RELAIS2" value="RELAIS2"/>
<element name="K3" library="misc" package="RELAIS2" value="RELAIS2"/>
<element name="K4" library="misc" package="RELAIS2" value="RELAIS2"/>
<element name="K5" library="misc" package="RELAIS2" value="RELAIS2"/>
<element name="R5" library="rcl" package="0204/7" value="1"/>
<element name="R6" library="rcl" package="0204/7" value="1"/>
<element name="D2" library="diode" package="CB417-15" value="P6KEXXC"/>
<element name="R7" library="rcl" package="0411/15" value="1k/1Watt"/>
<element name="TEL1" library="con-ptr500" package="AK550/2" value="AK550/2">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="R8" library="rcl" package="0207/10" value="33"/>
<element name="D4" library="diode" package="DO41-10" value="P4KEXX"/>
<element name="TEL2" library="con-ptr500" package="AK550/2" value="AK550/2">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="R9" library="rcl" package="0207/10" value="33"/>
<element name="D3" library="diode" package="DO41-10" value="P4KEXX"/>
<element name="TEL3" library="con-ptr500" package="AK550/2" value="AK550/2">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="R10" library="rcl" package="0207/10" value="33"/>
<element name="D5" library="diode" package="DO41-10" value="P4KEXX"/>
<element name="TEL4" library="con-ptr500" package="AK550/2" value="AK550/2">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="R11" library="rcl" package="0207/10" value="33"/>
<element name="D6" library="diode" package="DO41-10" value="P4KEXX"/>
<element name="TEL5" library="con-ptr500" package="AK550/2" value="AK550/2">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="R12" library="rcl" package="0207/10" value="33"/>
<element name="D7" library="diode" package="DO41-10" value="P4KEXX"/>
<element name="C10" library="rcl" package="C050-025X075" value="100n"/>
<element name="C11" library="rcl" package="C050-025X075" value="4.7n"/>
<element name="C12" library="rcl" package="C050-025X075" value="4.7n"/>
<element name="VCC" library="con-ptr500" package="AK550/2" value="AK550/2">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="U$3" library="misc" package="HOLE" value=""/>
<element name="U$1" library="misc" package="HOLE" value=""/>
<element name="U$2" library="misc" package="HOLE" value=""/>
<element name="U$4" library="misc" package="HOLE" value=""/>
</elements>
<signals>
<signal name="GND">
<contactref element="C3" pad="2"/>
<contactref element="C4" pad="2"/>
<contactref element="C5" pad="1"/>
<contactref element="C2" pad="2"/>
<contactref element="IC1" pad="22"/>
<contactref element="JP2" pad="6"/>
<contactref element="T2" pad="3" route="any" routetag="P"/>
<contactref element="T2" pad="4" route="any" routetag="P"/>
<contactref element="LED1" pad="K"/>
<contactref element="JP1" pad="1"/>
<contactref element="C6" pad="1"/>
<contactref element="IC1" pad="8"/>
<contactref element="C7" pad="-"/>
<contactref element="C8" pad="-"/>
<contactref element="IC2" pad="6"/>
<contactref element="IC2" pad="7"/>
<contactref element="R3" pad="A"/>
<contactref element="C9" pad="2"/>
<contactref element="IC3" pad="8"/>
<contactref element="R8" pad="1"/>
<contactref element="D4" pad="A"/>
<contactref element="R9" pad="1"/>
<contactref element="D3" pad="A"/>
<contactref element="R10" pad="1"/>
<contactref element="D5" pad="A"/>
<contactref element="R11" pad="1"/>
<contactref element="D6" pad="A"/>
<contactref element="R12" pad="1"/>
<contactref element="D7" pad="A"/>
<contactref element="VCC" pad="2"/>
</signal>
<signal name="VCC">
<contactref element="R2" pad="1"/>
<contactref element="JP2" pad="2"/>
<contactref element="JP1" pad="3"/>
<contactref element="IC1" pad="7"/>
<contactref element="C2" pad="1"/>
<contactref element="R1" pad="1"/>
<contactref element="IC2" pad="5"/>
<contactref element="C7" pad="+"/>
<contactref element="L1" pad="1"/>
<contactref element="IC3" pad="9"/>
<contactref element="2X12V" pad="S1"/>
<contactref element="2X12V" pad="S4"/>
<contactref element="K1" pad="2"/>
<contactref element="K2" pad="2"/>
<contactref element="K3" pad="2"/>
<contactref element="K4" pad="2"/>
<contactref element="K5" pad="2"/>
<contactref element="C6" pad="2"/>
<contactref element="IC1" pad="20"/>
<contactref element="VCC" pad="1"/>
</signal>
<signal name="N$1">
<contactref element="IC1" pad="9"/>
<contactref element="C3" pad="1"/>
<contactref element="Q1" pad="1"/>
</signal>
<signal name="N$2">
<contactref element="IC1" pad="10"/>
<contactref element="C4" pad="1"/>
<contactref element="Q1" pad="2"/>
</signal>
<signal name="AREF">
<contactref element="IC1" pad="21"/>
<contactref element="C5" pad="2"/>
</signal>
<signal name="RESET">
<contactref element="R2" pad="2"/>
<contactref element="IC1" pad="1"/>
<contactref element="JP2" pad="5"/>
<contactref element="T2" pad="1" route="any" routetag="S"/>
<contactref element="T2" pad="2" route="any" routetag="S"/>
</signal>
<signal name="MOSI">
<contactref element="JP2" pad="4"/>
<contactref element="IC1" pad="17"/>
</signal>
<signal name="SCK">
<contactref element="JP2" pad="3"/>
<contactref element="IC1" pad="19"/>
</signal>
<signal name="MISO">
<contactref element="JP2" pad="1"/>
<contactref element="IC1" pad="18"/>
</signal>
<signal name="N$8">
<contactref element="R1" pad="2"/>
<contactref element="LED1" pad="A"/>
</signal>
<signal name="RXD">
<contactref element="IC1" pad="2"/>
<contactref element="JP1" pad="4"/>
</signal>
<signal name="TXD">
<contactref element="IC1" pad="3"/>
<contactref element="JP1" pad="5"/>
</signal>
<signal name="SW">
<contactref element="IC2" pad="8"/>
<contactref element="D1" pad="A"/>
<contactref element="L1" pad="2"/>
</signal>
<signal name="N$3">
<contactref element="R3" pad="S"/>
<contactref element="IC2" pad="2"/>
</signal>
<signal name="N$4">
<contactref element="IC2" pad="1"/>
<contactref element="R4" pad="2"/>
</signal>
<signal name="N$5">
<contactref element="C9" pad="1"/>
<contactref element="R4" pad="1"/>
</signal>
<signal name="+24V">
<contactref element="C8" pad="+"/>
<contactref element="R3" pad="E"/>
<contactref element="D1" pad="C"/>
<contactref element="2X12V" pad="P1"/>
<contactref element="D2" pad="C"/>
<contactref element="R7" pad="1"/>
<contactref element="C10" pad="2"/>
</signal>
<signal name="RUF_B">
<contactref element="2X12V" pad="P2"/>
<contactref element="D2" pad="A"/>
<contactref element="K1" pad="S1"/>
<contactref element="K2" pad="S1"/>
<contactref element="K3" pad="S1"/>
<contactref element="K4" pad="S1"/>
<contactref element="K5" pad="S1"/>
<contactref element="C10" pad="1"/>
<contactref element="C12" pad="2"/>
</signal>
<signal name="K7">
<contactref element="IC3" pad="10"/>
<contactref element="R6" pad="2"/>
</signal>
<signal name="K6">
<contactref element="IC3" pad="11"/>
<contactref element="R5" pad="2"/>
</signal>
<signal name="P7">
<contactref element="IC3" pad="7"/>
<contactref element="IC1" pad="16"/>
</signal>
<signal name="P6">
<contactref element="IC3" pad="6"/>
<contactref element="IC1" pad="15"/>
</signal>
<signal name="P5">
<contactref element="IC3" pad="5"/>
<contactref element="IC1" pad="4"/>
</signal>
<signal name="P4">
<contactref element="IC3" pad="4"/>
<contactref element="IC1" pad="6"/>
</signal>
<signal name="P3">
<contactref element="IC3" pad="3"/>
<contactref element="IC1" pad="12"/>
</signal>
<signal name="P2">
<contactref element="IC3" pad="2"/>
<contactref element="IC1" pad="13"/>
</signal>
<signal name="P1">
<contactref element="IC3" pad="1"/>
<contactref element="IC1" pad="14"/>
</signal>
<signal name="ADC0">
<contactref element="IC1" pad="23"/>
<contactref element="TEL5" pad="1"/>
<contactref element="R12" pad="2"/>
<contactref element="D7" pad="C"/>
</signal>
<signal name="ADC1">
<contactref element="IC1" pad="24"/>
<contactref element="TEL4" pad="1"/>
<contactref element="R11" pad="2"/>
<contactref element="D6" pad="C"/>
</signal>
<signal name="ADC2">
<contactref element="IC1" pad="25"/>
<contactref element="TEL3" pad="1"/>
<contactref element="R10" pad="2"/>
<contactref element="D5" pad="C"/>
</signal>
<signal name="ADC3">
<contactref element="IC1" pad="26"/>
<contactref element="TEL2" pad="1"/>
<contactref element="R9" pad="2"/>
<contactref element="D3" pad="C"/>
</signal>
<signal name="N$6">
<contactref element="IC3" pad="16"/>
<contactref element="K1" pad="1"/>
</signal>
<signal name="N$7">
<contactref element="IC3" pad="15"/>
<contactref element="K2" pad="1"/>
</signal>
<signal name="N$9">
<contactref element="IC3" pad="14"/>
<contactref element="K3" pad="1"/>
</signal>
<signal name="N$10">
<contactref element="IC3" pad="13"/>
<contactref element="K4" pad="1"/>
</signal>
<signal name="N$11">
<contactref element="IC3" pad="12"/>
<contactref element="K5" pad="1"/>
</signal>
<signal name="ADC4">
<contactref element="IC1" pad="27"/>
<contactref element="TEL1" pad="1"/>
<contactref element="R8" pad="2"/>
<contactref element="D4" pad="C"/>
</signal>
<signal name="N$12">
<contactref element="K1" pad="P1"/>
<contactref element="TEL1" pad="2"/>
</signal>
<signal name="N$15">
<contactref element="R7" pad="2"/>
<contactref element="K1" pad="O1"/>
<contactref element="K2" pad="O1"/>
<contactref element="K3" pad="O1"/>
<contactref element="K4" pad="O1"/>
<contactref element="K5" pad="O1"/>
<contactref element="C11" pad="2"/>
</signal>
<signal name="N$13">
<contactref element="2X12V" pad="S2"/>
<contactref element="R5" pad="1"/>
</signal>
<signal name="N$14">
<contactref element="2X12V" pad="S3"/>
<contactref element="R6" pad="1"/>
</signal>
<signal name="N$16">
<contactref element="TEL2" pad="2"/>
<contactref element="K2" pad="P1"/>
</signal>
<signal name="N$18">
<contactref element="TEL3" pad="2"/>
<contactref element="K3" pad="P1"/>
</signal>
<signal name="N$17">
<contactref element="TEL4" pad="2"/>
<contactref element="K4" pad="P1"/>
</signal>
<signal name="N$21">
<contactref element="TEL5" pad="2"/>
<contactref element="K5" pad="P1"/>
</signal>
<signal name="TON1">
<contactref element="IC1" pad="5"/>
<contactref element="C12" pad="1"/>
</signal>
<signal name="TON2">
<contactref element="IC1" pad="11"/>
<contactref element="C11" pad="1"/>
</signal>
<signal name="N$19">
</signal>
<signal name="N$20">
</signal>
</signals>
</board>
</drawing>
</eagle>
