Dfb_Capture - Delta Standard AX Series Instruction Manual

AX Seri es-St andard I nst ruct i ons Manual

3.1 DFB_Capture

Supported Products
•
AX-308E, AX-364E, AX-324N, AX-332E

DFB_Capture captures the commanded pulses of the specified high-speed counter according to the designated external trigger
device.
FB/FC Instruction
FB DFB_Capture
Input
•
Name
Designate the source
Counter of the specified high-
speed counter.
Execute the
instruction when
bEnable
bEnable changes to
Define the mask range
uiMaskValue
of Capture.
Define the minimum
diDeltaMin difference between
each Capture
Define the maximum
diDeltaMax difference between
each Capture
Define the rising edge
bEdgeSelect *3
or falling edge capture
Graphic Expression
Function Data Type
COUNTER_REF
BOOL
True.
.
*2
*2 .
BOOL
Setting Value
(Default value)
DFB_ DFB_COUNTER_REF
*1 (Cannot be null.)
True/False
(False)
UINT Positive number or 0(0)
Positive number,
DINT
negative number or 0(0)
Positive number,
DINT
negative number or 0(0)
True/False
(False)
Chapt er 3
ST Language
DFB_Capture_instance(
Capture :=,
Counter :=,
bEnable :=,
uiMaskValue :=,
diDeltaMin :=,
diDeltaMax :=,
bEdgeSelect :=,
bCycle :=,bValid =>,
bBusy =>,
bError =>,
ErrorID =>,
bCapFlag =>,
diCapValue =>,
diCapValuePrevious =>,
diDelta =>,
bCapLenBeyondFlag =>,
dwCapLenBeyondCount =>);
Timing for Updating
-
-
When bEnable shifts to True, the
setting parameters of
uiMaskValue will be updated.
When bEnable shifts to True and
Busy is False
When bEnable shifts to True and
Busy is False
When b Eable is rising edge,
update the parameter of
bEdgeSelect
2 4