plcopen/Standard_Function_Blocks.xml
author Andrey Skvortsov <andrej.skvortzov@gmail.com>
Sat, 09 Jun 2018 17:13:16 +0300
changeset 2181 52630996e51b
parent 1722 89824afffef2
permissions -rw-r--r--
Add command line argument to run linter only on changed files

./tests/tools/check_source.sh --only-changes

It's recommended to run check_source.sh automatically on each commit,
so the rules are always enforced.
Even better is to use docker for that, so the versions of pep8 and
pylint are the same as on pipeline server.

To do this couple of lines should be added into repository's hgrc file.

[----------- cut from .hg/hgrc------------------]

[hooks]
precommit.linter = ./tests/tools/check_source.sh --only-changes
# precommit.linter = docker run -it --volume=$PWD:/beremiz --workdir="/beremiz" --volume=$PWD/../CanFestival-3:/CanFestival-3 --memory=1g --entrypoint=/beremiz/tests/tools/check_source.sh skvorl/beremiz-requirements --only-changes

[-----------------------------------------------]
<?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>