beremiz

merge

15 months ago, Edouard Tisserant
bdc21b1273f9
merge
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<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">
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<xhtml:p><![CDATA[Q1 := S1 OR ((NOT R) AND Q1);]]></xhtml:p>
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<xhtml:p><![CDATA[The SR bistable is a latch where the Set dominates.]]></xhtml:p>
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<xhtml:p><![CDATA[The RS bistable is a latch where the Reset dominates.]]></xhtml:p>
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<xhtml:p><![CDATA[The semaphore provides a mechanism to allow software elements mutually exclusive access to certain resources.]]></xhtml:p>
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<xhtml:p><![CDATA[The output produces a single pulse when a rising edge is detected.]]></xhtml:p>
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<xhtml:p><![CDATA[Q := NOT CLK AND NOT M;
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<xhtml:p><![CDATA[The output produces a single pulse when a falling edge is detected.]]></xhtml:p>
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<xhtml:p><![CDATA[CU_T(CU);
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Q := (CV >= PV);]]></xhtml:p>
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<xhtml:p><![CDATA[The up-counter can be used to signal when a count has reached a maximum value.]]></xhtml:p>
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<xhtml:p><![CDATA[The up-counter can be used to signal when a count has reached a maximum value.]]></xhtml:p>
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<xhtml:p><![CDATA[CU_T(CU);
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Q := (CV >= PV);]]></xhtml:p>
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<xhtml:p><![CDATA[The up-counter can be used to signal when a count has reached a maximum value.]]></xhtml:p>
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<xhtml:p><![CDATA[CU_T(CU);
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Q := (CV >= PV);]]></xhtml:p>
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<xhtml:p><![CDATA[The up-counter can be used to signal when a count has reached a maximum value.]]></xhtml:p>
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<xhtml:p><![CDATA[CD_T(CD);
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ELSIF CD_T.Q AND (CV > 0)
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Q := (CV <= 0);]]></xhtml:p>
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<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>
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Q := (CV <= 0);]]></xhtml:p>
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<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>
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IF LD THEN CV := PV;
ELSIF CD_T.Q AND (CV > 0)
THEN CV := CV-1;
END_IF;
Q := (CV <= 0);]]></xhtml:p>
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<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>
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<variable name="LD">
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Q := (CV <= 0);]]></xhtml:p>
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<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>
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<variable name="LD">
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IF LD THEN CV := PV;
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Q := (CV <= 0);]]></xhtml:p>
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<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>
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<variable name="CD">
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<BOOL/>
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<variable name="R">
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<variable name="LD">
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CU_T(CU);
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THEN CV := CV+1;
ELSIF CD_T.Q AND (CV > 0)
THEN CV := CV-1;
END_IF;
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END_IF;
QU := (CV >= PV);
QD := (CV <= 0);]]></xhtml:p>
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<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>
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<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>
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THEN CV := CV+1;
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END_IF;
END_IF;
END_IF;
QU := (CV >= PV);
QD := (CV <= 0);]]></xhtml:p>
</ST>
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<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>
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CU_T(CU);
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THEN CV := CV+1;
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END_IF;
END_IF;
END_IF;
QU := (CV >= PV);
QD := (CV <= 0);]]></xhtml:p>
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</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>
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</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>