plcopen/Standard_Function_Blocks.xml
author Edouard Tisserant
Wed, 25 Sep 2019 08:53:27 +0200
changeset 2637 507737ec2b9a
parent 1722 89824afffef2
permissions -rw-r--r--
Non significant changes in generated xslt, side effect of changes in yslt_noindent.yml2
<?xml version='1.0' encoding='utf-8'?>
<project xmlns:ns1="http://www.plcopen.org/xml/tc6_0201" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns="http://www.plcopen.org/xml/tc6_0201">
  <fileHeader companyName="Beremiz" productName="Standard Function Blocks Library" productVersion="1.0" creationDateTime="2013-09-09T09:56:11"/>
  <contentHeader name="Standard Funtion Blocks" author="Laurent Bessard" modificationDateTime="2013-09-09T10:58:13">
    <coordinateInfo>
      <fbd>
        <scaling x="0" y="0"/>
      </fbd>
      <ld>
        <scaling x="0" y="0"/>
      </ld>
      <sfc>
        <scaling x="0" y="0"/>
      </sfc>
    </coordinateInfo>
  </contentHeader>
  <types>
    <dataTypes/>
    <pous>
      <pou name="SR" pouType="functionBlock">
        <interface>
          <inputVars>
            <variable name="S1">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="R">
              <type>
                <BOOL/>
              </type>
            </variable>
          </inputVars>
          <outputVars>
            <variable name="Q1">
              <type>
                <BOOL/>
              </type>
            </variable>
          </outputVars>
        </interface>
        <body>
          <ST>
            <xhtml:p><![CDATA[Q1 := S1 OR ((NOT R) AND Q1);]]></xhtml:p>
          </ST>
        </body>
        <documentation>
          <xhtml:p><![CDATA[The SR bistable is a latch where the Set dominates.]]></xhtml:p>
        </documentation>
      </pou>
      <pou name="RS" pouType="functionBlock">
        <interface>
          <inputVars>
            <variable name="S">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="R1">
              <type>
                <BOOL/>
              </type>
            </variable>
          </inputVars>
          <outputVars>
            <variable name="Q1">
              <type>
                <BOOL/>
              </type>
            </variable>
          </outputVars>
        </interface>
        <body>
          <ST>
            <xhtml:p><![CDATA[Q1 := (NOT R1) AND (S OR Q1);]]></xhtml:p>
          </ST>
        </body>
        <documentation>
          <xhtml:p><![CDATA[The RS bistable is a latch where the Reset dominates.]]></xhtml:p>
        </documentation>
      </pou>
      <pou name="SEMA" pouType="functionBlock">
        <interface>
          <inputVars>
            <variable name="CLAIM">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="RELEASE">
              <type>
                <BOOL/>
              </type>
            </variable>
          </inputVars>
          <outputVars>
            <variable name="BUSY">
              <type>
                <BOOL/>
              </type>
            </variable>
          </outputVars>
          <localVars>
            <variable name="Q_INTERNAL">
              <type>
                <BOOL/>
              </type>
            </variable>
          </localVars>
        </interface>
        <body>
          <ST>
            <xhtml:p><![CDATA[Q_INTERNAL := CLAIM OR ( Q_INTERNAL AND (NOT RELEASE));
BUSY := Q_INTERNAL;]]></xhtml:p>
          </ST>
        </body>
        <documentation>
          <xhtml:p><![CDATA[The semaphore provides a mechanism to allow software elements mutually exclusive access to certain resources.]]></xhtml:p>
        </documentation>
      </pou>
      <pou name="R_TRIG" pouType="functionBlock">
        <interface>
          <inputVars>
            <variable name="CLK">
              <type>
                <BOOL/>
              </type>
            </variable>
          </inputVars>
          <outputVars>
            <variable name="Q">
              <type>
                <BOOL/>
              </type>
            </variable>
          </outputVars>
          <localVars retain="true">
            <variable name="M">
              <type>
                <BOOL/>
              </type>
            </variable>
          </localVars>
        </interface>
        <body>
          <ST>
            <xhtml:p><![CDATA[Q := CLK AND NOT M;
M := CLK;]]></xhtml:p>
          </ST>
        </body>
        <documentation>
          <xhtml:p><![CDATA[The output produces a single pulse when a rising edge is detected.]]></xhtml:p>
        </documentation>
      </pou>
      <pou name="F_TRIG" pouType="functionBlock">
        <interface>
          <inputVars>
            <variable name="CLK">
              <type>
                <BOOL/>
              </type>
            </variable>
          </inputVars>
          <outputVars>
            <variable name="Q">
              <type>
                <BOOL/>
              </type>
            </variable>
          </outputVars>
          <localVars retain="true">
            <variable name="M">
              <type>
                <BOOL/>
              </type>
            </variable>
          </localVars>
        </interface>
        <body>
          <ST>
            <xhtml:p><![CDATA[Q := NOT CLK AND NOT M;
M := NOT CLK;]]></xhtml:p>
          </ST>
        </body>
        <documentation>
          <xhtml:p><![CDATA[The output produces a single pulse when a falling edge is detected.]]></xhtml:p>
        </documentation>
      </pou>
      <pou name="CTU" pouType="functionBlock">
        <interface>
          <inputVars>
            <variable name="CU">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="R">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="PV">
              <type>
                <INT/>
              </type>
            </variable>
          </inputVars>
          <outputVars>
            <variable name="Q">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="CV">
              <type>
                <INT/>
              </type>
            </variable>
          </outputVars>
          <localVars>
            <variable name="CU_T">
              <type>
                <derived name="R_TRIG"/>
              </type>
            </variable>
          </localVars>
        </interface>
        <body>
          <ST>
            <xhtml:p><![CDATA[CU_T(CU);
IF R THEN CV := 0;
ELSIF CU_T.Q AND (CV < PV)
  THEN CV := CV+1;
END_IF;
Q := (CV >= PV);]]></xhtml:p>
          </ST>
        </body>
        <documentation>
          <xhtml:p><![CDATA[The up-counter can be used to signal when a count has reached a maximum value.]]></xhtml:p>
        </documentation>
      </pou>
      <pou name="CTU_DINT" pouType="functionBlock">
        <interface>
          <inputVars>
            <variable name="CU">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="R">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="PV">
              <type>
                <DINT/>
              </type>
            </variable>
          </inputVars>
          <outputVars>
            <variable name="Q">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="CV">
              <type>
                <DINT/>
              </type>
            </variable>
          </outputVars>
          <localVars>
            <variable name="CU_T">
              <type>
                <derived name="R_TRIG"/>
              </type>
            </variable>
          </localVars>
        </interface>
        <body>
          <ST>
            <xhtml:p><![CDATA[CU_T(CU);
IF R THEN CV := 0;
ELSIF CU_T.Q AND (CV < PV)
  THEN CV := CV+1;
END_IF;
Q := (CV >= PV);]]></xhtml:p>
          </ST>
        </body>
        <documentation>
          <xhtml:p><![CDATA[The up-counter can be used to signal when a count has reached a maximum value.]]></xhtml:p>
        </documentation>
      </pou>
      <pou name="CTU_LINT" pouType="functionBlock">
        <interface>
          <inputVars>
            <variable name="CU">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="R">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="PV">
              <type>
                <LINT/>
              </type>
            </variable>
          </inputVars>
          <outputVars>
            <variable name="Q">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="CV">
              <type>
                <LINT/>
              </type>
            </variable>
          </outputVars>
          <localVars>
            <variable name="CU_T">
              <type>
                <derived name="R_TRIG"/>
              </type>
            </variable>
          </localVars>
        </interface>
        <body>
          <ST>
            <xhtml:p><![CDATA[CU_T(CU);
IF R THEN CV := 0;
ELSIF CU_T.Q AND (CV < PV)
  THEN CV := CV+1;
END_IF;
Q := (CV >= PV);]]></xhtml:p>
          </ST>
        </body>
        <documentation>
          <xhtml:p><![CDATA[The up-counter can be used to signal when a count has reached a maximum value.]]></xhtml:p>
        </documentation>
      </pou>
      <pou name="CTU_UDINT" pouType="functionBlock">
        <interface>
          <inputVars>
            <variable name="CU">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="R">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="PV">
              <type>
                <UDINT/>
              </type>
            </variable>
          </inputVars>
          <outputVars>
            <variable name="Q">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="CV">
              <type>
                <UDINT/>
              </type>
            </variable>
          </outputVars>
          <localVars>
            <variable name="CU_T">
              <type>
                <derived name="R_TRIG"/>
              </type>
            </variable>
          </localVars>
        </interface>
        <body>
          <ST>
            <xhtml:p><![CDATA[CU_T(CU);
IF R THEN CV := 0;
ELSIF CU_T.Q AND (CV < PV)
  THEN CV := CV+1;
END_IF;
Q := (CV >= PV);]]></xhtml:p>
          </ST>
        </body>
        <documentation>
          <xhtml:p><![CDATA[The up-counter can be used to signal when a count has reached a maximum value.]]></xhtml:p>
        </documentation>
      </pou>
      <pou name="CTU_ULINT" pouType="functionBlock">
        <interface>
          <inputVars>
            <variable name="CU">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="R">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="PV">
              <type>
                <ULINT/>
              </type>
            </variable>
          </inputVars>
          <outputVars>
            <variable name="Q">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="CV">
              <type>
                <ULINT/>
              </type>
            </variable>
          </outputVars>
          <localVars>
            <variable name="CU_T">
              <type>
                <derived name="R_TRIG"/>
              </type>
            </variable>
          </localVars>
        </interface>
        <body>
          <ST>
            <xhtml:p><![CDATA[CU_T(CU);
IF R THEN CV := 0;
ELSIF CU_T.Q AND (CV < PV)
  THEN CV := CV+1;
END_IF;
Q := (CV >= PV);]]></xhtml:p>
          </ST>
        </body>
        <documentation>
          <xhtml:p><![CDATA[The up-counter can be used to signal when a count has reached a maximum value.]]></xhtml:p>
        </documentation>
      </pou>
      <pou name="CTD" pouType="functionBlock">
        <interface>
          <inputVars>
            <variable name="CD">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="LD">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="PV">
              <type>
                <INT/>
              </type>
            </variable>
          </inputVars>
          <outputVars>
            <variable name="Q">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="CV">
              <type>
                <INT/>
              </type>
            </variable>
          </outputVars>
          <localVars>
            <variable name="CD_T">
              <type>
                <derived name="R_TRIG"/>
              </type>
            </variable>
          </localVars>
        </interface>
        <body>
          <ST>
            <xhtml:p><![CDATA[CD_T(CD);
IF LD THEN CV := PV;
ELSIF CD_T.Q AND (CV > 0)
  THEN CV := CV-1;
END_IF;
Q := (CV <= 0);]]></xhtml:p>
          </ST>
        </body>
        <documentation>
          <xhtml:p><![CDATA[The down-counter can be used to signal when a count has reached zero, on counting down from a preset value.]]></xhtml:p>
        </documentation>
      </pou>
      <pou name="CTD_DINT" pouType="functionBlock">
        <interface>
          <inputVars>
            <variable name="CD">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="LD">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="PV">
              <type>
                <DINT/>
              </type>
            </variable>
          </inputVars>
          <outputVars>
            <variable name="Q">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="CV">
              <type>
                <DINT/>
              </type>
            </variable>
          </outputVars>
          <localVars>
            <variable name="CD_T">
              <type>
                <derived name="R_TRIG"/>
              </type>
            </variable>
          </localVars>
        </interface>
        <body>
          <ST>
            <xhtml:p><![CDATA[CD_T(CD);
IF LD THEN CV := PV;
ELSIF CD_T.Q AND (CV > 0)
  THEN CV := CV-1;
END_IF;
Q := (CV <= 0);]]></xhtml:p>
          </ST>
        </body>
        <documentation>
          <xhtml:p><![CDATA[The down-counter can be used to signal when a count has reached zero, on counting down from a preset value.]]></xhtml:p>
        </documentation>
      </pou>
      <pou name="CTD_LINT" pouType="functionBlock">
        <interface>
          <inputVars>
            <variable name="CD">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="LD">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="PV">
              <type>
                <LINT/>
              </type>
            </variable>
          </inputVars>
          <outputVars>
            <variable name="Q">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="CV">
              <type>
                <LINT/>
              </type>
            </variable>
          </outputVars>
          <localVars>
            <variable name="CD_T">
              <type>
                <derived name="R_TRIG"/>
              </type>
            </variable>
          </localVars>
        </interface>
        <body>
          <ST>
            <xhtml:p><![CDATA[CD_T(CD);
IF LD THEN CV := PV;
ELSIF CD_T.Q AND (CV > 0)
  THEN CV := CV-1;
END_IF;
Q := (CV <= 0);]]></xhtml:p>
          </ST>
        </body>
        <documentation>
          <xhtml:p><![CDATA[The down-counter can be used to signal when a count has reached zero, on counting down from a preset value.]]></xhtml:p>
        </documentation>
      </pou>
      <pou name="CTD_UDINT" pouType="functionBlock">
        <interface>
          <inputVars>
            <variable name="CD">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="LD">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="PV">
              <type>
                <UDINT/>
              </type>
            </variable>
          </inputVars>
          <outputVars>
            <variable name="Q">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="CV">
              <type>
                <UDINT/>
              </type>
            </variable>
          </outputVars>
          <localVars>
            <variable name="CD_T">
              <type>
                <derived name="R_TRIG"/>
              </type>
            </variable>
          </localVars>
        </interface>
        <body>
          <ST>
            <xhtml:p><![CDATA[CD_T(CD);
IF LD THEN CV := PV;
ELSIF CD_T.Q AND (CV > 0)
  THEN CV := CV-1;
END_IF;
Q := (CV <= 0);]]></xhtml:p>
          </ST>
        </body>
        <documentation>
          <xhtml:p><![CDATA[The down-counter can be used to signal when a count has reached zero, on counting down from a preset value.]]></xhtml:p>
        </documentation>
      </pou>
      <pou name="CTD_ULINT" pouType="functionBlock">
        <interface>
          <inputVars>
            <variable name="CD">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="LD">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="PV">
              <type>
                <ULINT/>
              </type>
            </variable>
          </inputVars>
          <outputVars>
            <variable name="Q">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="CV">
              <type>
                <ULINT/>
              </type>
            </variable>
          </outputVars>
          <localVars>
            <variable name="CD_T">
              <type>
                <derived name="R_TRIG"/>
              </type>
            </variable>
          </localVars>
        </interface>
        <body>
          <ST>
            <xhtml:p><![CDATA[CD_T(CD);
IF LD THEN CV := PV;
ELSIF CD_T.Q AND (CV > 0)
  THEN CV := CV-1;
END_IF;
Q := (CV <= 0);]]></xhtml:p>
          </ST>
        </body>
        <documentation>
          <xhtml:p><![CDATA[The down-counter can be used to signal when a count has reached zero, on counting down from a preset value.]]></xhtml:p>
        </documentation>
      </pou>
      <pou name="CTUD" pouType="functionBlock">
        <interface>
          <inputVars>
            <variable name="CU">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="CD">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="R">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="LD">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="PV">
              <type>
                <INT/>
              </type>
            </variable>
          </inputVars>
          <outputVars>
            <variable name="QU">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="QD">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="CV">
              <type>
                <INT/>
              </type>
            </variable>
            <variable name="CD_T">
              <type>
                <derived name="R_TRIG"/>
              </type>
            </variable>
            <variable name="CU_T">
              <type>
                <derived name="R_TRIG"/>
              </type>
            </variable>
          </outputVars>
        </interface>
        <body>
          <ST>
            <xhtml:p><![CDATA[CD_T(CD);
CU_T(CU);
IF R THEN CV := 0;
ELSIF LD THEN CV := PV;
ELSE
  IF NOT (CU_T.Q AND CD_T.Q) THEN
    IF CU_T.Q AND (CV < PV)
    THEN CV := CV+1;
    ELSIF CD_T.Q AND (CV > 0)
    THEN CV := CV-1;
    END_IF;
  END_IF;
END_IF;
QU := (CV >= PV);
QD := (CV <= 0);]]></xhtml:p>
          </ST>
        </body>
        <documentation>
          <xhtml:p><![CDATA[The up-down counter has two inputs CU and CD. It can be used to both count up on one input and down on the other.]]></xhtml:p>
        </documentation>
      </pou>
      <pou name="CTUD_DINT" pouType="functionBlock">
        <interface>
          <inputVars>
            <variable name="CU">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="CD">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="R">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="LD">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="PV">
              <type>
                <DINT/>
              </type>
            </variable>
          </inputVars>
          <outputVars>
            <variable name="QU">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="QD">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="CV">
              <type>
                <DINT/>
              </type>
            </variable>
            <variable name="CD_T">
              <type>
                <derived name="R_TRIG"/>
              </type>
            </variable>
            <variable name="CU_T">
              <type>
                <derived name="R_TRIG"/>
              </type>
            </variable>
          </outputVars>
        </interface>
        <body>
          <ST>
            <xhtml:p><![CDATA[CD_T(CD);
CU_T(CU);
IF R THEN CV := 0;
ELSIF LD THEN CV := PV;
ELSE
  IF NOT (CU_T.Q AND CD_T.Q) THEN
    IF CU_T.Q AND (CV < PV)
    THEN CV := CV+1;
    ELSIF CD_T.Q AND (CV > 0)
    THEN CV := CV-1;
    END_IF;
  END_IF;
END_IF;
QU := (CV >= PV);
QD := (CV <= 0);]]></xhtml:p>
          </ST>
        </body>
        <documentation>
          <xhtml:p><![CDATA[The up-down counter has two inputs CU and CD. It can be used to both count up on one input and down on the other.]]></xhtml:p>
        </documentation>
      </pou>
      <pou name="CTUD_LINT" pouType="functionBlock">
        <interface>
          <inputVars>
            <variable name="CU">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="CD">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="R">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="LD">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="PV">
              <type>
                <LINT/>
              </type>
            </variable>
          </inputVars>
          <outputVars>
            <variable name="QU">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="QD">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="CV">
              <type>
                <LINT/>
              </type>
            </variable>
            <variable name="CD_T">
              <type>
                <derived name="R_TRIG"/>
              </type>
            </variable>
            <variable name="CU_T">
              <type>
                <derived name="R_TRIG"/>
              </type>
            </variable>
          </outputVars>
        </interface>
        <body>
          <ST>
            <xhtml:p><![CDATA[CD_T(CD);
CU_T(CU);
IF R THEN CV := 0;
ELSIF LD THEN CV := PV;
ELSE
  IF NOT (CU_T.Q AND CD_T.Q) THEN
    IF CU_T.Q AND (CV < PV)
    THEN CV := CV+1;
    ELSIF CD_T.Q AND (CV > 0)
    THEN CV := CV-1;
    END_IF;
  END_IF;
END_IF;
QU := (CV >= PV);
QD := (CV <= 0);]]></xhtml:p>
          </ST>
        </body>
        <documentation>
          <xhtml:p><![CDATA[The up-down counter has two inputs CU and CD. It can be used to both count up on one input and down on the other.]]></xhtml:p>
        </documentation>
      </pou>
      <pou name="CTUD_UDINT" pouType="functionBlock">
        <interface>
          <inputVars>
            <variable name="CU">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="CD">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="R">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="LD">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="PV">
              <type>
                <UDINT/>
              </type>
            </variable>
          </inputVars>
          <outputVars>
            <variable name="QU">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="QD">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="CV">
              <type>
                <UDINT/>
              </type>
            </variable>
            <variable name="CD_T">
              <type>
                <derived name="R_TRIG"/>
              </type>
            </variable>
            <variable name="CU_T">
              <type>
                <derived name="R_TRIG"/>
              </type>
            </variable>
          </outputVars>
        </interface>
        <body>
          <ST>
            <xhtml:p><![CDATA[CD_T(CD);
CU_T(CU);
IF R THEN CV := 0;
ELSIF LD THEN CV := PV;
ELSE
  IF NOT (CU_T.Q AND CD_T.Q) THEN
    IF CU_T.Q AND (CV < PV)
    THEN CV := CV+1;
    ELSIF CD_T.Q AND (CV > 0)
    THEN CV := CV-1;
    END_IF;
  END_IF;
END_IF;
QU := (CV >= PV);
QD := (CV <= 0);]]></xhtml:p>
          </ST>
        </body>
        <documentation>
          <xhtml:p><![CDATA[The up-down counter has two inputs CU and CD. It can be used to both count up on one input and down on the other.]]></xhtml:p>
        </documentation>
      </pou>
      <pou name="CTUD_ULINT" pouType="functionBlock">
        <interface>
          <inputVars>
            <variable name="CU">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="CD">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="R">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="LD">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="PV">
              <type>
                <ULINT/>
              </type>
            </variable>
          </inputVars>
          <outputVars>
            <variable name="QU">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="QD">
              <type>
                <BOOL/>
              </type>
            </variable>
            <variable name="CV">
              <type>
                <ULINT/>
              </type>
            </variable>
            <variable name="CD_T">
              <type>
                <derived name="R_TRIG"/>
              </type>
            </variable>
            <variable name="CU_T">
              <type>
                <derived name="R_TRIG"/>
              </type>
            </variable>
          </outputVars>
        </interface>
        <body>
          <ST>
            <xhtml:p><![CDATA[CD_T(CD);
CU_T(CU);
IF R THEN CV := 0;
ELSIF LD THEN CV := PV;
ELSE
  IF NOT (CU_T.Q AND CD_T.Q) THEN
    IF CU_T.Q AND (CV < PV)
    THEN CV := CV+1;
    ELSIF CD_T.Q AND (CV > 0)
    THEN CV := CV-1;
    END_IF;
  END_IF;
END_IF;
QU := (CV >= PV);
QD := (CV <= 0);]]></xhtml:p>
          </ST>
        </body>
        <documentation>
          <xhtml:p><![CDATA[The up-down counter has two inputs CU and CD. It can be used to both count up on one input and down on the other.]]></xhtml:p>
        </documentation>
      </pou>
      <pou name="TP" pouType="functionBlock">
        <interface>
          <inputVars>
            <variable name="IN">
              <type>
                <BOOL/>
              </type>
              <documentation>
                <xhtml:p><![CDATA[first input parameter]]></xhtml:p>
              </documentation>
            </variable>
            <variable name="PT">
              <type>
                <TIME/>
              </type>
              <documentation>
                <xhtml:p><![CDATA[second input parameter]]></xhtml:p>
              </documentation>
            </variable>
          </inputVars>
          <outputVars>
            <variable name="Q">
              <type>
                <BOOL/>
              </type>
              <initialValue>
                <simpleValue value="FALSE"/>
              </initialValue>
              <documentation>
                <xhtml:p><![CDATA[first output parameter]]></xhtml:p>
              </documentation>
            </variable>
            <variable name="ET">
              <type>
                <TIME/>
              </type>
              <initialValue>
                <simpleValue value="T#0s"/>
              </initialValue>
              <documentation>
                <xhtml:p><![CDATA[second output parameter]]></xhtml:p>
              </documentation>
            </variable>
          </outputVars>
          <localVars>
            <variable name="STATE">
              <type>
                <SINT/>
              </type>
              <initialValue>
                <simpleValue value="0"/>
              </initialValue>
              <documentation>
                <xhtml:p><![CDATA[internal state: 0-reset, 1-counting, 2-set]]></xhtml:p>
              </documentation>
            </variable>
            <variable name="PREV_IN">
              <type>
                <BOOL/>
              </type>
              <initialValue>
                <simpleValue value="FALSE"/>
              </initialValue>
            </variable>
            <variable name="CURRENT_TIME">
              <type>
                <TIME/>
              </type>
            </variable>
            <variable name="START_TIME">
              <type>
                <TIME/>
              </type>
            </variable>
          </localVars>
        </interface>
        <body>
          <ST>
            <xhtml:p><![CDATA[{__SET_VAR(data__->,CURRENT_TIME,,__CURRENT_TIME)}

IF ((STATE = 0) AND NOT(PREV_IN) AND IN)   (* found rising edge on IN *)
THEN
  (* start timer... *)
  STATE := 1;
  Q := TRUE;
  START_TIME := CURRENT_TIME;

ELSIF (STATE = 1)
THEN
  IF ((START_TIME + PT) <= CURRENT_TIME)
  THEN
    STATE := 2;
    Q := FALSE;
    ET := PT;
  ELSE
    ET := CURRENT_TIME - START_TIME;
  END_IF;
END_IF;

IF ((STATE = 2) AND NOT(IN))
THEN
  ET := T#0s;
  STATE := 0;
END_IF;

PREV_IN := IN;
]]></xhtml:p>
          </ST>
        </body>
        <documentation>
          <xhtml:p><![CDATA[The pulse timer can be used to generate output pulses of a given time duration.]]></xhtml:p>
        </documentation>
      </pou>
      <pou name="TON" pouType="functionBlock">
        <interface>
          <inputVars>
            <variable name="IN">
              <type>
                <BOOL/>
              </type>
              <documentation>
                <xhtml:p><![CDATA[first input parameter]]></xhtml:p>
              </documentation>
            </variable>
            <variable name="PT">
              <type>
                <TIME/>
              </type>
              <documentation>
                <xhtml:p><![CDATA[second input parameter]]></xhtml:p>
              </documentation>
            </variable>
          </inputVars>
          <outputVars>
            <variable name="Q">
              <type>
                <BOOL/>
              </type>
              <initialValue>
                <simpleValue value="FALSE"/>
              </initialValue>
              <documentation>
                <xhtml:p><![CDATA[first output parameter]]></xhtml:p>
              </documentation>
            </variable>
            <variable name="ET">
              <type>
                <TIME/>
              </type>
              <initialValue>
                <simpleValue value="T#0s"/>
              </initialValue>
              <documentation>
                <xhtml:p><![CDATA[second output parameter]]></xhtml:p>
              </documentation>
            </variable>
          </outputVars>
          <localVars>
            <variable name="STATE">
              <type>
                <SINT/>
              </type>
              <initialValue>
                <simpleValue value="0"/>
              </initialValue>
              <documentation>
                <xhtml:p><![CDATA[internal state: 0-reset, 1-counting, 2-set]]></xhtml:p>
              </documentation>
            </variable>
            <variable name="PREV_IN">
              <type>
                <BOOL/>
              </type>
              <initialValue>
                <simpleValue value="FALSE"/>
              </initialValue>
            </variable>
            <variable name="CURRENT_TIME">
              <type>
                <TIME/>
              </type>
            </variable>
            <variable name="START_TIME">
              <type>
                <TIME/>
              </type>
            </variable>
          </localVars>
        </interface>
        <body>
          <ST>
            <xhtml:p><![CDATA[{__SET_VAR(data__->,CURRENT_TIME,,__CURRENT_TIME)}

IF ((STATE = 0) AND NOT(PREV_IN) AND IN)   (* found rising edge on IN *)
THEN
  (* start timer... *)
  STATE := 1;
  Q := FALSE;
  START_TIME := CURRENT_TIME;

ELSE
  (* STATE is 1 or 2 !! *)
  IF (NOT(IN))
  THEN
    ET := T#0s;
    Q := FALSE;
    STATE := 0;

  ELSIF (STATE = 1)
  THEN
    IF ((START_TIME + PT) <= CURRENT_TIME)
    THEN
      STATE := 2;
      Q := TRUE;
      ET := PT;
    ELSE
      ET := CURRENT_TIME - START_TIME;
    END_IF;
  END_IF;

END_IF;

PREV_IN := IN;
]]></xhtml:p>
          </ST>
        </body>
        <documentation>
          <xhtml:p><![CDATA[The on-delay timer can be used to delay setting an output true, for fixed period after an input becomes true.]]></xhtml:p>
        </documentation>
      </pou>
      <pou name="TOF" pouType="functionBlock">
        <interface>
          <inputVars>
            <variable name="IN">
              <type>
                <BOOL/>
              </type>
              <documentation>
                <xhtml:p><![CDATA[first input parameter]]></xhtml:p>
              </documentation>
            </variable>
            <variable name="PT">
              <type>
                <TIME/>
              </type>
              <documentation>
                <xhtml:p><![CDATA[second input parameter]]></xhtml:p>
              </documentation>
            </variable>
          </inputVars>
          <outputVars>
            <variable name="Q">
              <type>
                <BOOL/>
              </type>
              <initialValue>
                <simpleValue value="FALSE"/>
              </initialValue>
              <documentation>
                <xhtml:p><![CDATA[first output parameter]]></xhtml:p>
              </documentation>
            </variable>
            <variable name="ET">
              <type>
                <TIME/>
              </type>
              <initialValue>
                <simpleValue value="T#0s"/>
              </initialValue>
              <documentation>
                <xhtml:p><![CDATA[second output parameter]]></xhtml:p>
              </documentation>
            </variable>
          </outputVars>
          <localVars>
            <variable name="STATE">
              <type>
                <SINT/>
              </type>
              <initialValue>
                <simpleValue value="0"/>
              </initialValue>
              <documentation>
                <xhtml:p><![CDATA[internal state: 0-reset, 1-counting, 2-set]]></xhtml:p>
              </documentation>
            </variable>
            <variable name="PREV_IN">
              <type>
                <BOOL/>
              </type>
              <initialValue>
                <simpleValue value="FALSE"/>
              </initialValue>
            </variable>
            <variable name="CURRENT_TIME">
              <type>
                <TIME/>
              </type>
            </variable>
            <variable name="START_TIME">
              <type>
                <TIME/>
              </type>
            </variable>
          </localVars>
        </interface>
        <body>
          <ST>
            <xhtml:p><![CDATA[{__SET_VAR(data__->,CURRENT_TIME,,__CURRENT_TIME)}

IF ((STATE = 0) AND PREV_IN AND NOT(IN))   (* found falling edge on IN *)
THEN
  (* start timer... *)
  STATE := 1;
  START_TIME := CURRENT_TIME;

ELSE
  (* STATE is 1 or 2 !! *)
  IF (IN)
  THEN
    ET := T#0s;
    STATE := 0;

  ELSIF (STATE = 1)
  THEN
    IF ((START_TIME + PT) <= CURRENT_TIME)
    THEN
      STATE := 2;
      ET := PT;
    ELSE
      ET := CURRENT_TIME - START_TIME;
    END_IF;
  END_IF;

END_IF;

Q := IN OR (STATE = 1);
PREV_IN := IN;
]]></xhtml:p>
          </ST>
        </body>
        <documentation>
          <xhtml:p><![CDATA[The off-delay timer can be used to delay setting an output false, for fixed period after input goes false.]]></xhtml:p>
        </documentation>
      </pou>
    </pous>
  </types>
  <instances>
    <configurations/>
  </instances>
</project>