193
Timer and Counter Instructions Section 3-5
3-5-7 COUNTER: CNT/CNTX(546)
Purpose CNT/CNTX(546) operates a decrementing counter. The setting range 0 to
9,999 for CNT and 0 to 65,535 for CNTX(546).
Ladder Symbol BCD
Binary
Variations
Applicable Program Areas
Operands N: Counter Number
The counter number must be between 0000 and 4095 (decimal).
S: Set Value
Operand Specifications
CNT
N
S
Count input
Reset input
N: Counter number
S: Set value
CNTX(546)
N
S
Count input
Reset input
N: Counter numbe
S: Set value
Variations Executed Each Cycle for ON Condition CNT/
CNTX(546)
Executed Once for Upward Differentiation Not supported.
Executed Once for Downward Differentiation Not supported.
Immediate Refreshing Specification Not supported.
Block program areas Step program areas Subroutines Interrupt tasks
Not allowed OK OK OK
Data Range
BCD #0000 to #9999
Binary &0 to &65535 (decimal)
#0000 to #FFFF (hex)
Area N S
CIO Area --- CIO 0 to CIO 6143
Work Area --- W0 to W511
Holding Bit Area --- H0 to H511
Auxiliary Bit
Area
--- A0 to A959
Timer Area --- T0000 to T4095
Counter Area 0000 to 4095 (decimal) C0000 to C4095
DM Area --- D0 to D32767
Indirect DM
addresses in
binary
--- @ D0 to @ D32767
To Next Page
Loading...
