IDEC SmartAXIS Touch FT1A Series

SmartAXIS Touch User's Manual 12-43
3 FBD Program
12
Control Function
● Counter FB
● Shift Register FB
● Data Comparison FB
● Data Conversion FB
Symbol Name and Diagram Function
Output
Inversion
CNT
Adding Counter
When the clock input is turned on, the current
value is incremented by one. The output is turned
on when the current value reaches the preset
value.
NO
CUD
Up/Down Selection Reversible Counter When the clock input is turned on, the current
value is incremented or decremented by one
according to the up/down selection input. The
current value is compared with ON/OFF
thresholds. The output is turned on or off
according to the comparison result.
NO
HOUR
Hour Meter
Accumulates the ON duration of the execution
input in hours, minutes, and seconds. The output
is turned on when the accumulated time reaches
the configured time.
NO
CNT
RST OUT
UP
CUD
PRST OUT
CLK
U/D
HOUR
EN OUT
RST
Symbol Name and Diagram Function
Output
Inversion
SFR
Shift Register
When the execution input turns on, the shift
registers are shifted to the specified shift
direction.
YES
SFR
TRG OUT
RST
DI
DIR
Symbol Name and Diagram Function
Output
Inversion
CMP
Data Comparison
Two comparison values are compared and the
output is turned on or off according to the
comparison result.
YES
STTG
Schmitt Trigger
The comparison value and the ON/OFF thresholds
are compared and the output is turned on or off
according to the comparison result.
YES
RCMP
Range Comparison
The comparison value and the upper/lower limits
are compared and the output is turned on or off
according to the comparison result.
YES
CMP
EN OUT
DAT1
DAT2
STTG
EN OUT
DATA
ON
OFF
RCMP
EN OUT
DATA
UL
LL
Symbol Name and Diagram Function
Output
Inversion
ALT
Alternate Output
Sets/resets the output. YES
ALT
TRG OUT
SET
RST