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Lenze · 8400 HighLine · Reference manual · DMS 12.0 EN · 06/2017 · TD23
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17
Function library
17.1
Function blocks | L_Counter_3
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17.1.66
L_Counter_3
This FB is a digital upcounter and downcounter with a parameterisable comparison operation.
Inputs
Outputs
Designator
Data type
Information/possible settings
bClkUp
BOOL
Clock input
• With each edge, the module counts up by "1".
• Only FALSE-TRUE edges are evaluated.
Note: The static state "1" is not permissible at this input.
bClkDown
BOOL
Clock input
• With each edge, the module counts down by "1".
• Only FALSE-TRUE edges are evaluated.
Note: The static state "1" is not permissible at this input.
bLoad
BOOL
Load input
• The input has the highest priority.
TRUE Accept starting value
wLdVal
.
wLdVal
WORD
Starting value
• Assigned value is internally interpreted as "INT" data type (-32767 ... +32767), i.e.
the most significant bit determines the sign.
wCmpVal
WORD
Comparison value
• Assigned value is internally interpreted as "INT" data type (-32767 ... +32767), i.e.
the most significant bit determines the sign.
Designator
Data type
Value/meaning
bEqual
BOOL
Status signal "Comparison statement is true"
• The TRUE output is active in the Lenze setting if the current counter content is
greater than or equal to the comparison value
wCmpVal
.
TRUE The statement of the comparison mode selected in
true.
wOut
WORD
Counter content
• Internal limitation to ± 32767
• The most significant bit determines the sign!
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