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Timer and Counter Instructions Section 3-6
3-6-11 RESET TIMER/COUNTER: CNR(545)/CNRX(547)
Purpose Resets the timers or counters within the specified range of timer or counter
numbers.
Ladder Symbol BCD
Binary
Variations
Applicable Program Areas
Operands N
1
: First Number in Range
N
1
must be a timer number between T0000 and T4095 or a counter number
between C0000 and C4095.
N
2
: Last Number in Range
N
2
must be a timer number between T0000 and T4095 or a counter number
between C0000 and C4095.
Note N
1
and N
2
must be in the same data area, i.e., N
1
and N
2
must be timer num-
bers or counter numbers.
Operand Specifications
CNR(545)
N1
N2
N
1
: First number in range
N
2
: Last number in range
CNRX(547)
N1
N2
N
1
: First number in range
N
2
: Last number in range
Variations Executed Each Cycle for ON Condition CNR(545)/
CNRX(547)
Executed Once for Upward Differentiation @CNR(545)/
CNRX(547)
Executed Once for Downward Differentiation Not supported.
Immediate Refreshing Specification Not supported.
Block program areas Step program areas Subroutines Interrupt tasks
OK OK OK OK
Area N
1
N
2
CIO Area --- ---
Work Area --- ---
Holding Bit Area --- ---
Auxiliary Bit Area --- ---
Timer Area C0000 to C4095 C0000 to C4095
Counter Area T0000 to T4095 T0000 to T4095
DM Area --- ---
EM Area without bank --- ---
EM Area with bank --- ---
Indirect DM/EM
addresses in binary
--- ---
Indirect DM/EM
addresses in BCD
--- ---